diff --git a/sdks/java-v1/README.md b/sdks/java-v1/README.md
index 69fa45d1d..a59c05565 100644
--- a/sdks/java-v1/README.md
+++ b/sdks/java-v1/README.md
@@ -55,7 +55,7 @@ Add this dependency to your project's POM:
 <dependency>
   <groupId>com.dropbox.sign</groupId>
   <artifactId>dropbox-sign</artifactId>
-  <version>1.8-dev</version>
+  <version>1.8.1-dev</version>
   <scope>compile</scope>
 </dependency>
 ```
@@ -71,7 +71,7 @@ Add this dependency to your project's build file:
   }
 
   dependencies {
-     implementation "com.dropbox.sign:dropbox-sign:1.8-dev"
+     implementation "com.dropbox.sign:dropbox-sign:1.8.1-dev"
   }
 ```
 
@@ -85,7 +85,7 @@ mvn clean package
 
 Then manually install the following JARs:
 
-- `target/dropbox-sign-1.8-dev.jar`
+- `target/dropbox-sign-1.8.1-dev.jar`
 - `target/lib/*.jar`
 
 ## Getting Started
@@ -476,7 +476,7 @@ apisupport@hellosign.com
 This Java package is automatically generated by the [OpenAPI Generator](https://openapi-generator.tech) project:
 
 - API version: `3.0.0`
-    - Package version: `1.8-dev`
+    - Package version: `1.8.1-dev`
 - Build package: `org.openapitools.codegen.languages.JavaClientCodegen`
 
 
diff --git a/sdks/java-v1/VERSION b/sdks/java-v1/VERSION
index d82db9132..00f91b858 100644
--- a/sdks/java-v1/VERSION
+++ b/sdks/java-v1/VERSION
@@ -1 +1 @@
-1.8-dev
+1.8.1-dev
diff --git a/sdks/java-v1/bin/copy-constants.php b/sdks/java-v1/bin/copy-constants.php
new file mode 100755
index 000000000..70ec3083c
--- /dev/null
+++ b/sdks/java-v1/bin/copy-constants.php
@@ -0,0 +1,64 @@
+#!/usr/bin/env php
+<?php
+
+require_once __DIR__ . '/../vendor/autoload.php';
+
+ini_set('display_errors', 1);
+ini_set('display_startup_errors', 1);
+error_reporting(E_ALL);
+
+set_error_handler(function ($level, $msg) {
+    echo "Error: {$msg}";
+    exit(1);
+});
+
+/**
+ * Between openapi-generator v7.8.0 and v7.12.0 a change was made to the way
+ * a few generators create constant names from values. The original way was
+ * actually broken. For example "change-field-visibility" would generate a
+ * constant name of "TYPE_FIELD_VISIBILITY", dropping the "change" part.
+ *
+ * The fix now generates the correct name, "TYPE_CHANGE_FIELD_VISIBILITY".
+ * However, the fix also gets rid of the previous (incorrect) constant names,
+ * making the fix a BC break.
+ *
+ * This simple script just adds the old constant names back, alongside the new
+ * ones.
+ */
+class CopyConstants
+{
+    public function run(): void
+    {
+        $file = __DIR__ . '/../src/main/java/com/dropbox/sign/model/SubFormFieldRuleAction.java';
+        $contents = file_get_contents($file);
+
+        $constant_1 = '    CHANGE_FIELD_VISIBILITY(String.valueOf("change-field-visibility")),';
+        $replace_1 = implode("\n", [
+            $constant_1,
+            '    FIELD_VISIBILITY(String.valueOf("change-field-visibility")),',
+        ]);
+
+        $constant_2 = '    CHANGE_GROUP_VISIBILITY(String.valueOf("change-group-visibility"));';
+        $replace_2 = implode("\n", [
+            '    CHANGE_GROUP_VISIBILITY(String.valueOf("change-group-visibility")),',
+            '    GROUP_VISIBILITY(String.valueOf("change-group-visibility"));',
+        ]);
+
+        $contents = str_replace(
+            $constant_1,
+            $replace_1,
+            $contents,
+        );
+
+        $contents = str_replace(
+            $constant_2,
+            $replace_2,
+            $contents,
+        );
+
+        file_put_contents($file, $contents);
+    }
+}
+
+$copier = new CopyConstants();
+$copier->run();
\ No newline at end of file
diff --git a/sdks/java-v1/build.gradle b/sdks/java-v1/build.gradle
index e09981d03..ef2920f41 100644
--- a/sdks/java-v1/build.gradle
+++ b/sdks/java-v1/build.gradle
@@ -21,7 +21,7 @@ apply plugin: 'signing'
 
 group = 'com.dropbox.sign'
 archivesBaseName = 'dropbox-sign'
-version = '1.8-dev'
+version = '1.8.1-dev'
 sourceCompatibility = JavaVersion.VERSION_1_8
 targetCompatibility = JavaVersion.VERSION_1_8
 
diff --git a/sdks/java-v1/build.sbt b/sdks/java-v1/build.sbt
index b949b2013..203853da9 100644
--- a/sdks/java-v1/build.sbt
+++ b/sdks/java-v1/build.sbt
@@ -2,7 +2,7 @@ lazy val root = (project in file(".")).
   settings(
     organization := "com.dropbox.sign",
     name := "dropbox-sign",
-    version := "1.8-dev",
+    version := "1.8.1-dev",
     scalaVersion := "2.11.4",
     scalacOptions ++= Seq("-feature"),
     Compile / javacOptions ++= Seq("-Xlint:deprecation"),
diff --git a/sdks/java-v1/docs/SubFormFieldRuleAction.md b/sdks/java-v1/docs/SubFormFieldRuleAction.md
index 6a2d43481..16928736e 100644
--- a/sdks/java-v1/docs/SubFormFieldRuleAction.md
+++ b/sdks/java-v1/docs/SubFormFieldRuleAction.md
@@ -19,8 +19,8 @@
 
 | Name | Value |
 ---- | -----
-| FIELD_VISIBILITY | &quot;change-field-visibility&quot; |
-| GROUP_VISIBILITY | &quot;change-group-visibility&quot; |
+| CHANGE_FIELD_VISIBILITY | &quot;change-field-visibility&quot; |
+| CHANGE_GROUP_VISIBILITY | &quot;change-group-visibility&quot; |
 
 
 
diff --git a/sdks/java-v1/gradle.properties b/sdks/java-v1/gradle.properties
index a3f97a126..0619b8830 100644
--- a/sdks/java-v1/gradle.properties
+++ b/sdks/java-v1/gradle.properties
@@ -6,7 +6,7 @@
 #target = android
 GROUP=com.dropbox.sign
 POM_ARTIFACT_ID=dropbox-sign
-VERSION_NAME=1.8-dev
+VERSION_NAME=1.8.1-dev
 
 POM_NAME=Dropbox Sign Java SDK
 POM_DESCRIPTION=Use the Dropbox Sign Java SDK to connect your Java app to the service of Dropbox Sign in microseconds!
diff --git a/sdks/java-v1/openapi-config.yaml b/sdks/java-v1/openapi-config.yaml
index 398867abf..db4935dbf 100644
--- a/sdks/java-v1/openapi-config.yaml
+++ b/sdks/java-v1/openapi-config.yaml
@@ -16,7 +16,7 @@ additionalProperties:
   groupId: com.dropbox.sign
   artifactId: dropbox-sign
   artifactName: Dropbox Sign Java SDK
-  artifactVersion: "1.8-dev"
+  artifactVersion: "1.8.1-dev"
   artifactUrl: https://github.com/hellosign/dropbox-sign-java
   artifactDescription: Use the Dropbox Sign Java SDK to connect your Java app to the service of Dropbox Sign in microseconds!
   scmConnection: scm:git:git://github.com/hellosign/dropbox-sign-java.git
@@ -26,6 +26,7 @@ additionalProperties:
   licenseUrl: https://www.opensource.org/licenses/mit-license.php
   useCustomTemplateCode: true
   licenseCopyrightYear: 2024
+  failOnUnknownProperties: false
 files:
   dropbox-EventCallbackHelper.mustache:
     templateType: SupportingFiles
diff --git a/sdks/java-v1/pom.xml b/sdks/java-v1/pom.xml
index 1c7bc968e..6c2b97c63 100644
--- a/sdks/java-v1/pom.xml
+++ b/sdks/java-v1/pom.xml
@@ -5,7 +5,7 @@
     <artifactId>dropbox-sign</artifactId>
     <packaging>jar</packaging>
     <name>dropbox-sign</name>
-    <version>1.8-dev</version>
+    <version>1.8.1-dev</version>
     <url>https://github.com/hellosign/dropbox-sign-java</url>
     <description>Use the Dropbox Sign Java SDK to connect your Java app to the service of Dropbox Sign in microseconds!</description>
     <scm>
@@ -334,6 +334,7 @@
             <artifactId>jersey-apache-connector</artifactId>
             <version>${jersey-version}</version>
         </dependency>
+
         <!-- test dependencies -->
         <dependency>
             <groupId>org.junit.jupiter</groupId>
@@ -355,6 +356,7 @@
         <jackson-databind-version>2.17.1</jackson-databind-version>
         <jackson-databind-nullable-version>0.2.6</jackson-databind-nullable-version>
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
+        <beanvalidation-version>2.0.2</beanvalidation-version>
         <junit-version>5.10.0</junit-version>
         <spotless.version>2.21.0</spotless.version>
         <mockito.version>3.12.4</mockito.version>
diff --git a/sdks/java-v1/run-build b/sdks/java-v1/run-build
index ce4f11eff..99e100a84 100755
--- a/sdks/java-v1/run-build
+++ b/sdks/java-v1/run-build
@@ -18,7 +18,7 @@ rm -f "${DIR}/src/main/java/com/dropbox/sign/model/"*.java
 
 docker run --rm \
   -v "${DIR}/:/local" \
-  openapitools/openapi-generator-cli:v7.8.0 generate \
+  openapitools/openapi-generator-cli:v7.12.0 generate \
     -i "/local/openapi-sdk.yaml" \
     -c "/local/openapi-config.yaml" \
     -t "/local/templates" \
@@ -47,6 +47,9 @@ docker run --rm \
   -w "${WORKING_DIR}" \
   perl bash ./bin/scan_for
 
+printf "Adding old-style constant names ...\n"
+bash "${DIR}/bin/php" ./bin/copy-constants.php
+
 # avoid docker messing with permissions
 if [[ -z "$GITHUB_ACTIONS" ]]; then
   chmod 644 "${DIR}/README.md"
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/ApiClient.java b/sdks/java-v1/src/main/java/com/dropbox/sign/ApiClient.java
index 9a82b95d3..b758f0a9b 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/ApiClient.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/ApiClient.java
@@ -71,7 +71,7 @@
 /** ApiClient class. */
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class ApiClient extends JavaTimeFormatter {
     private static final Pattern JSON_MIME_PATTERN =
             Pattern.compile("(?i)^(application/json|[^;/ \t]+/[^;/ \t]+[+]json)[ \t]*(;.*)?$");
@@ -147,7 +147,7 @@ public ApiClient(Map<String, Authentication> authMap) {
         this.dateFormat = new RFC3339DateFormat();
 
         // Set default User-Agent.
-        setUserAgent("OpenAPI-Generator/1.8-dev/java");
+        setUserAgent("OpenAPI-Generator/1.8.1-dev/java");
 
         // Setup authentications (key: authentication name, value: authentication).
         authentications = new HashMap<>();
@@ -751,31 +751,11 @@ public Entity<?> serialize(
         if (contentType.startsWith("multipart/form-data")) {
             MultiPart multiPart = new MultiPart();
             for (Entry<String, Object> param : formParams.entrySet()) {
-                if (param.getValue() instanceof File) {
-                    File file = (File) param.getValue();
-                    FormDataContentDisposition contentDisp =
-                            FormDataContentDisposition.name(param.getKey())
-                                    .fileName(file.getName())
-                                    .size(file.length())
-                                    .build();
-
-                    // Attempt to probe the content type for the file so that the form part is more
-                    // correctly
-                    // and precisely identified, but fall back to application/octet-stream if that
-                    // fails.
-                    MediaType type;
-                    try {
-                        type = MediaType.valueOf(Files.probeContentType(file.toPath()));
-                    } catch (IOException | IllegalArgumentException e) {
-                        type = MediaType.APPLICATION_OCTET_STREAM_TYPE;
-                    }
-
-                    multiPart.bodyPart(new FormDataBodyPart(contentDisp, file, type));
+                if (param.getValue() instanceof Iterable<?>) {
+                    ((Iterable<?>) param.getValue())
+                            .forEach(v -> addParamToMultipart(v, param.getKey(), multiPart));
                 } else {
-                    FormDataContentDisposition contentDisp =
-                            FormDataContentDisposition.name(param.getKey()).build();
-                    multiPart.bodyPart(
-                            new FormDataBodyPart(contentDisp, parameterToString(param.getValue())));
+                    addParamToMultipart(param.getValue(), param.getKey(), multiPart);
                 }
             }
             entity = Entity.entity(multiPart, MediaType.MULTIPART_FORM_DATA_TYPE);
@@ -826,6 +806,40 @@ public Entity<?> serialize(
         return entity;
     }
 
+    /**
+     * Adds the object with the provided key to the MultiPart. Based on the object type sets
+     * Content-Disposition and Content-Type.
+     *
+     * @param obj Object
+     * @param key Key of the object
+     * @param multiPart MultiPart to add the form param to
+     */
+    private void addParamToMultipart(Object value, String key, MultiPart multiPart) {
+        if (value instanceof File) {
+            File file = (File) value;
+            FormDataContentDisposition contentDisp =
+                    FormDataContentDisposition.name(key)
+                            .fileName(file.getName())
+                            .size(file.length())
+                            .build();
+
+            // Attempt to probe the content type for the file so that the form part is more
+            // correctly
+            // and precisely identified, but fall back to application/octet-stream if that fails.
+            MediaType type;
+            try {
+                type = MediaType.valueOf(Files.probeContentType(file.toPath()));
+            } catch (IOException | IllegalArgumentException e) {
+                type = MediaType.APPLICATION_OCTET_STREAM_TYPE;
+            }
+
+            multiPart.bodyPart(new FormDataBodyPart(contentDisp, file, type));
+        } else {
+            FormDataContentDisposition contentDisp = FormDataContentDisposition.name(key).build();
+            multiPart.bodyPart(new FormDataBodyPart(contentDisp, parameterToString(value)));
+        }
+    }
+
     /**
      * Serialize the given Java object into string according the given Content-Type (only JSON, HTTP
      * form is supported for now).
@@ -1136,7 +1150,11 @@ private Response sendRequest(
         } else if ("PUT".equals(method)) {
             response = invocationBuilder.put(entity);
         } else if ("DELETE".equals(method)) {
-            response = invocationBuilder.method("DELETE", entity);
+            if ("".equals(entity.getEntity())) {
+                response = invocationBuilder.method("DELETE");
+            } else {
+                response = invocationBuilder.method("DELETE", entity);
+            }
         } else if ("PATCH".equals(method)) {
             response = invocationBuilder.method("PATCH", entity);
         } else {
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/ApiException.java b/sdks/java-v1/src/main/java/com/dropbox/sign/ApiException.java
index 28ae24fc6..27476dab3 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/ApiException.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/ApiException.java
@@ -19,7 +19,7 @@
 /** API Exception */
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class ApiException extends Exception {
     private static final long serialVersionUID = 1L;
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/Configuration.java b/sdks/java-v1/src/main/java/com/dropbox/sign/Configuration.java
index e2ebcc458..7bdd70522 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/Configuration.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/Configuration.java
@@ -14,11 +14,11 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class Configuration {
-    public static final String VERSION = "1.8-dev";
+    public static final String VERSION = "1.8.1-dev";
 
-    private static ApiClient defaultApiClient = new ApiClient();
+    private static volatile ApiClient defaultApiClient = new ApiClient();
 
     /**
      * Get the default API client, which would be used when creating API instances without providing
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/EventCallbackHelper.java b/sdks/java-v1/src/main/java/com/dropbox/sign/EventCallbackHelper.java
index aa9ef43a8..8d65b8708 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/EventCallbackHelper.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/EventCallbackHelper.java
@@ -19,7 +19,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class EventCallbackHelper {
     public static final String EVENT_TYPE_ACCOUNT_CALLBACK = "account_callback";
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/JSON.java b/sdks/java-v1/src/main/java/com/dropbox/sign/JSON.java
index 5bcb4733e..cd4a199ef 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/JSON.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/JSON.java
@@ -12,7 +12,6 @@
 
 package com.dropbox.sign;
 
-import com.dropbox.sign.model.*;
 import com.fasterxml.jackson.annotation.*;
 import com.fasterxml.jackson.databind.*;
 import com.fasterxml.jackson.databind.json.JsonMapper;
@@ -27,7 +26,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class JSON implements ContextResolver<ObjectMapper> {
     private ObjectMapper mapper;
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/JavaTimeFormatter.java b/sdks/java-v1/src/main/java/com/dropbox/sign/JavaTimeFormatter.java
index caf886acd..806b9b146 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/JavaTimeFormatter.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/JavaTimeFormatter.java
@@ -23,7 +23,7 @@
  */
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class JavaTimeFormatter {
 
     private DateTimeFormatter offsetDateTimeFormatter = DateTimeFormatter.ISO_OFFSET_DATE_TIME;
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/Pair.java b/sdks/java-v1/src/main/java/com/dropbox/sign/Pair.java
index d653856fe..0f3d10c47 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/Pair.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/Pair.java
@@ -14,7 +14,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class Pair {
     private String name = "";
     private String value = "";
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/RFC3339DateFormat.java b/sdks/java-v1/src/main/java/com/dropbox/sign/RFC3339DateFormat.java
index ae19756ea..3334a5843 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/RFC3339DateFormat.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/RFC3339DateFormat.java
@@ -23,7 +23,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class RFC3339DateFormat extends DateFormat {
     private static final long serialVersionUID = 1L;
     private static final TimeZone TIMEZONE_Z = TimeZone.getTimeZone("UTC");
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/ServerConfiguration.java b/sdks/java-v1/src/main/java/com/dropbox/sign/ServerConfiguration.java
index dca021db6..8d3d8b18c 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/ServerConfiguration.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/ServerConfiguration.java
@@ -17,7 +17,7 @@
 /** Representing a Server configuration. */
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class ServerConfiguration {
     public String URL;
     public String description;
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/ServerVariable.java b/sdks/java-v1/src/main/java/com/dropbox/sign/ServerVariable.java
index 4a32ae659..4af52f41e 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/ServerVariable.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/ServerVariable.java
@@ -17,7 +17,7 @@
 /** Representing a Server Variable for server URL template substitution. */
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class ServerVariable {
     public String description;
     public String defaultValue;
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/StringUtil.java b/sdks/java-v1/src/main/java/com/dropbox/sign/StringUtil.java
index 00a83e83e..bcc8a0371 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/StringUtil.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/StringUtil.java
@@ -17,7 +17,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class StringUtil {
     /**
      * Check if the given array contains the given value (with case-insensitive comparison).
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/api/AccountApi.java b/sdks/java-v1/src/main/java/com/dropbox/sign/api/AccountApi.java
index f460b4737..836bd4bf4 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/api/AccountApi.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/api/AccountApi.java
@@ -20,7 +20,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class AccountApi {
     private ApiClient apiClient;
 
@@ -51,14 +51,15 @@ public void setApiClient(ApiClient apiClient) {
     }
 
     /**
-     * Create Account. Creates a new Dropbox Sign Account that is associated with the specified
+     * Create Account Creates a new Dropbox Sign Account that is associated with the specified
      * &#x60;email_address&#x60;.
      *
      * @param accountCreateRequest (required)
      * @return AccountCreateResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -70,14 +71,15 @@ public AccountCreateResponse accountCreate(AccountCreateRequest accountCreateReq
     }
 
     /**
-     * Create Account. Creates a new Dropbox Sign Account that is associated with the specified
+     * Create Account Creates a new Dropbox Sign Account that is associated with the specified
      * &#x60;email_address&#x60;.
      *
      * @param accountCreateRequest (required)
      * @return ApiResponse&lt;AccountCreateResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -122,7 +124,7 @@ public ApiResponse<AccountCreateResponse> accountCreateWithHttpInfo(
     }
 
     /**
-     * Get Account. Returns the properties and settings of your Account.
+     * Get Account Returns the properties and settings of your Account.
      *
      * @param accountId &#x60;account_id&#x60; or &#x60;email_address&#x60; is required. If both are
      *     provided, the account id prevails. The ID of the Account. (optional)
@@ -131,7 +133,8 @@ public ApiResponse<AccountCreateResponse> accountCreateWithHttpInfo(
      * @return AccountGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -182,7 +185,7 @@ public ApiResponse<AccountGetResponse> accountGetWithHttpInfo(String accountId)
     }
 
     /**
-     * Get Account. Returns the properties and settings of your Account.
+     * Get Account Returns the properties and settings of your Account.
      *
      * @param accountId &#x60;account_id&#x60; or &#x60;email_address&#x60; is required. If both are
      *     provided, the account id prevails. The ID of the Account. (optional)
@@ -191,7 +194,8 @@ public ApiResponse<AccountGetResponse> accountGetWithHttpInfo(String accountId)
      * @return ApiResponse&lt;AccountGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -231,14 +235,15 @@ public ApiResponse<AccountGetResponse> accountGetWithHttpInfo(
     }
 
     /**
-     * Update Account. Updates the properties and settings of your Account. Currently only allows
-     * for updates to the [Callback URL](/api/reference/tag/Callbacks-and-Events) and locale.
+     * Update Account Updates the properties and settings of your Account. Currently only allows for
+     * updates to the [Callback URL](/api/reference/tag/Callbacks-and-Events) and locale.
      *
      * @param accountUpdateRequest (required)
      * @return AccountGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -250,14 +255,15 @@ public AccountGetResponse accountUpdate(AccountUpdateRequest accountUpdateReques
     }
 
     /**
-     * Update Account. Updates the properties and settings of your Account. Currently only allows
-     * for updates to the [Callback URL](/api/reference/tag/Callbacks-and-Events) and locale.
+     * Update Account Updates the properties and settings of your Account. Currently only allows for
+     * updates to the [Callback URL](/api/reference/tag/Callbacks-and-Events) and locale.
      *
      * @param accountUpdateRequest (required)
      * @return ApiResponse&lt;AccountGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -302,13 +308,14 @@ public ApiResponse<AccountGetResponse> accountUpdateWithHttpInfo(
     }
 
     /**
-     * Verify Account. Verifies whether an Dropbox Sign Account exists for the given email address.
+     * Verify Account Verifies whether an Dropbox Sign Account exists for the given email address.
      *
      * @param accountVerifyRequest (required)
      * @return AccountVerifyResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -320,13 +327,14 @@ public AccountVerifyResponse accountVerify(AccountVerifyRequest accountVerifyReq
     }
 
     /**
-     * Verify Account. Verifies whether an Dropbox Sign Account exists for the given email address.
+     * Verify Account Verifies whether an Dropbox Sign Account exists for the given email address.
      *
      * @param accountVerifyRequest (required)
      * @return ApiResponse&lt;AccountVerifyResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/api/ApiAppApi.java b/sdks/java-v1/src/main/java/com/dropbox/sign/api/ApiAppApi.java
index 2c5ed4492..b74007e35 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/api/ApiAppApi.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/api/ApiAppApi.java
@@ -18,7 +18,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class ApiAppApi {
     private ApiClient apiClient;
 
@@ -49,13 +49,14 @@ public void setApiClient(ApiClient apiClient) {
     }
 
     /**
-     * Create API App. Creates a new API App.
+     * Create API App Creates a new API App.
      *
      * @param apiAppCreateRequest (required)
      * @return ApiAppGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 201 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -67,13 +68,14 @@ public ApiAppGetResponse apiAppCreate(ApiAppCreateRequest apiAppCreateRequest)
     }
 
     /**
-     * Create API App. Creates a new API App.
+     * Create API App Creates a new API App.
      *
      * @param apiAppCreateRequest (required)
      * @return ApiResponse&lt;ApiAppGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 201 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -118,12 +120,13 @@ public ApiResponse<ApiAppGetResponse> apiAppCreateWithHttpInfo(
     }
 
     /**
-     * Delete API App. Deletes an API App. Can only be invoked for apps you own.
+     * Delete API App Deletes an API App. Can only be invoked for apps you own.
      *
      * @param clientId The client id of the API App to delete. (required)
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 204 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -134,13 +137,14 @@ public void apiAppDelete(String clientId) throws ApiException {
     }
 
     /**
-     * Delete API App. Deletes an API App. Can only be invoked for apps you own.
+     * Delete API App Deletes an API App. Can only be invoked for apps you own.
      *
      * @param clientId The client id of the API App to delete. (required)
      * @return ApiResponse&lt;Void&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 204 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -183,13 +187,14 @@ public ApiResponse<Void> apiAppDeleteWithHttpInfo(String clientId) throws ApiExc
     }
 
     /**
-     * Get API App. Returns an object with information about an API App.
+     * Get API App Returns an object with information about an API App.
      *
      * @param clientId The client id of the API App to retrieve. (required)
      * @return ApiAppGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -200,13 +205,14 @@ public ApiAppGetResponse apiAppGet(String clientId) throws ApiException {
     }
 
     /**
-     * Get API App. Returns an object with information about an API App.
+     * Get API App Returns an object with information about an API App.
      *
      * @param clientId The client id of the API App to retrieve. (required)
      * @return ApiResponse&lt;ApiAppGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -251,7 +257,7 @@ public ApiResponse<ApiAppGetResponse> apiAppGetWithHttpInfo(String clientId)
     }
 
     /**
-     * List API Apps. Returns a list of API Apps that are accessible by you. If you are on a team
+     * List API Apps Returns a list of API Apps that are accessible by you. If you are on a team
      * with an Admin or Developer role, this list will include apps owned by teammates.
      *
      * @param page Which page number of the API App List to return. Defaults to &#x60;1&#x60;.
@@ -261,7 +267,8 @@ public ApiResponse<ApiAppGetResponse> apiAppGetWithHttpInfo(String clientId)
      * @return ApiAppListResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -311,7 +318,7 @@ public ApiResponse<ApiAppListResponse> apiAppListWithHttpInfo(Integer page)
     }
 
     /**
-     * List API Apps. Returns a list of API Apps that are accessible by you. If you are on a team
+     * List API Apps Returns a list of API Apps that are accessible by you. If you are on a team
      * with an Admin or Developer role, this list will include apps owned by teammates.
      *
      * @param page Which page number of the API App List to return. Defaults to &#x60;1&#x60;.
@@ -321,7 +328,8 @@ public ApiResponse<ApiAppListResponse> apiAppListWithHttpInfo(Integer page)
      * @return ApiResponse&lt;ApiAppListResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -367,7 +375,7 @@ public ApiResponse<ApiAppListResponse> apiAppListWithHttpInfo(Integer page, Inte
     }
 
     /**
-     * Update API App. Updates an existing API App. Can only be invoked for apps you own. Only the
+     * Update API App Updates an existing API App. Can only be invoked for apps you own. Only the
      * fields you provide will be updated. If you wish to clear an existing optional field, provide
      * an empty string.
      *
@@ -376,7 +384,8 @@ public ApiResponse<ApiAppListResponse> apiAppListWithHttpInfo(Integer page, Inte
      * @return ApiAppGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -388,7 +397,7 @@ public ApiAppGetResponse apiAppUpdate(String clientId, ApiAppUpdateRequest apiAp
     }
 
     /**
-     * Update API App. Updates an existing API App. Can only be invoked for apps you own. Only the
+     * Update API App Updates an existing API App. Can only be invoked for apps you own. Only the
      * fields you provide will be updated. If you wish to clear an existing optional field, provide
      * an empty string.
      *
@@ -397,7 +406,8 @@ public ApiAppGetResponse apiAppUpdate(String clientId, ApiAppUpdateRequest apiAp
      * @return ApiResponse&lt;ApiAppGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/api/BulkSendJobApi.java b/sdks/java-v1/src/main/java/com/dropbox/sign/api/BulkSendJobApi.java
index 07cbd6af3..f928d5c26 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/api/BulkSendJobApi.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/api/BulkSendJobApi.java
@@ -16,7 +16,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class BulkSendJobApi {
     private ApiClient apiClient;
 
@@ -47,7 +47,7 @@ public void setApiClient(ApiClient apiClient) {
     }
 
     /**
-     * Get Bulk Send Job. Returns the status of the BulkSendJob and its SignatureRequests specified
+     * Get Bulk Send Job Returns the status of the BulkSendJob and its SignatureRequests specified
      * by the &#x60;bulk_send_job_id&#x60; parameter.
      *
      * @param bulkSendJobId The id of the BulkSendJob to retrieve. (required)
@@ -58,7 +58,8 @@ public void setApiClient(ApiClient apiClient) {
      * @return BulkSendJobGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -111,7 +112,7 @@ public ApiResponse<BulkSendJobGetResponse> bulkSendJobGetWithHttpInfo(
     }
 
     /**
-     * Get Bulk Send Job. Returns the status of the BulkSendJob and its SignatureRequests specified
+     * Get Bulk Send Job Returns the status of the BulkSendJob and its SignatureRequests specified
      * by the &#x60;bulk_send_job_id&#x60; parameter.
      *
      * @param bulkSendJobId The id of the BulkSendJob to retrieve. (required)
@@ -122,7 +123,8 @@ public ApiResponse<BulkSendJobGetResponse> bulkSendJobGetWithHttpInfo(
      * @return ApiResponse&lt;BulkSendJobGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -182,7 +184,7 @@ public ApiResponse<BulkSendJobGetResponse> bulkSendJobGetWithHttpInfo(
     }
 
     /**
-     * List Bulk Send Jobs. Returns a list of BulkSendJob that you can access.
+     * List Bulk Send Jobs Returns a list of BulkSendJob that you can access.
      *
      * @param page Which page number of the BulkSendJob List to return. Defaults to &#x60;1&#x60;.
      *     (optional, default to 1)
@@ -191,7 +193,8 @@ public ApiResponse<BulkSendJobGetResponse> bulkSendJobGetWithHttpInfo(
      * @return BulkSendJobListResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -242,7 +245,7 @@ public ApiResponse<BulkSendJobListResponse> bulkSendJobListWithHttpInfo(Integer
     }
 
     /**
-     * List Bulk Send Jobs. Returns a list of BulkSendJob that you can access.
+     * List Bulk Send Jobs Returns a list of BulkSendJob that you can access.
      *
      * @param page Which page number of the BulkSendJob List to return. Defaults to &#x60;1&#x60;.
      *     (optional, default to 1)
@@ -251,7 +254,8 @@ public ApiResponse<BulkSendJobListResponse> bulkSendJobListWithHttpInfo(Integer
      * @return ApiResponse&lt;BulkSendJobListResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/api/EmbeddedApi.java b/sdks/java-v1/src/main/java/com/dropbox/sign/api/EmbeddedApi.java
index fd04f5b2b..e89671c3d 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/api/EmbeddedApi.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/api/EmbeddedApi.java
@@ -15,7 +15,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class EmbeddedApi {
     private ApiClient apiClient;
 
@@ -46,7 +46,7 @@ public void setApiClient(ApiClient apiClient) {
     }
 
     /**
-     * Get Embedded Template Edit URL. Retrieves an embedded object containing a template url that
+     * Get Embedded Template Edit URL Retrieves an embedded object containing a template url that
      * can be opened in an iFrame. Note that only templates created via the embedded template
      * process are available to be edited with this endpoint.
      *
@@ -55,7 +55,8 @@ public void setApiClient(ApiClient apiClient) {
      * @return EmbeddedEditUrlResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -67,7 +68,7 @@ public EmbeddedEditUrlResponse embeddedEditUrl(
     }
 
     /**
-     * Get Embedded Template Edit URL. Retrieves an embedded object containing a template url that
+     * Get Embedded Template Edit URL Retrieves an embedded object containing a template url that
      * can be opened in an iFrame. Note that only templates created via the embedded template
      * process are available to be edited with this endpoint.
      *
@@ -76,7 +77,8 @@ public EmbeddedEditUrlResponse embeddedEditUrl(
      * @return ApiResponse&lt;EmbeddedEditUrlResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -132,7 +134,7 @@ public ApiResponse<EmbeddedEditUrlResponse> embeddedEditUrlWithHttpInfo(
     }
 
     /**
-     * Get Embedded Sign URL. Retrieves an embedded object containing a signature url that can be
+     * Get Embedded Sign URL Retrieves an embedded object containing a signature url that can be
      * opened in an iFrame. Note that templates created via the embedded template process will only
      * be accessible through the API.
      *
@@ -140,7 +142,8 @@ public ApiResponse<EmbeddedEditUrlResponse> embeddedEditUrlWithHttpInfo(
      * @return EmbeddedSignUrlResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -151,7 +154,7 @@ public EmbeddedSignUrlResponse embeddedSignUrl(String signatureId) throws ApiExc
     }
 
     /**
-     * Get Embedded Sign URL. Retrieves an embedded object containing a signature url that can be
+     * Get Embedded Sign URL Retrieves an embedded object containing a signature url that can be
      * opened in an iFrame. Note that templates created via the embedded template process will only
      * be accessible through the API.
      *
@@ -159,7 +162,8 @@ public EmbeddedSignUrlResponse embeddedSignUrl(String signatureId) throws ApiExc
      * @return ApiResponse&lt;EmbeddedSignUrlResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/api/FaxApi.java b/sdks/java-v1/src/main/java/com/dropbox/sign/api/FaxApi.java
index 9e0041637..259f1117d 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/api/FaxApi.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/api/FaxApi.java
@@ -18,7 +18,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class FaxApi {
     private ApiClient apiClient;
 
@@ -49,12 +49,13 @@ public void setApiClient(ApiClient apiClient) {
     }
 
     /**
-     * Delete Fax. Deletes the specified Fax from the system
+     * Delete Fax Deletes the specified Fax from the system
      *
      * @param faxId Fax ID (required)
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 204 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -65,13 +66,14 @@ public void faxDelete(String faxId) throws ApiException {
     }
 
     /**
-     * Delete Fax. Deletes the specified Fax from the system
+     * Delete Fax Deletes the specified Fax from the system
      *
      * @param faxId Fax ID (required)
      * @return ApiResponse&lt;Void&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 204 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -113,13 +115,14 @@ public ApiResponse<Void> faxDeleteWithHttpInfo(String faxId) throws ApiException
     }
 
     /**
-     * Download Fax Files. Downloads files associated with a Fax
+     * Download Fax Files Downloads files associated with a Fax
      *
      * @param faxId Fax ID (required)
      * @return File
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -130,13 +133,14 @@ public File faxFiles(String faxId) throws ApiException {
     }
 
     /**
-     * Download Fax Files. Downloads files associated with a Fax
+     * Download Fax Files Downloads files associated with a Fax
      *
      * @param faxId Fax ID (required)
      * @return ApiResponse&lt;File&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -180,13 +184,14 @@ public ApiResponse<File> faxFilesWithHttpInfo(String faxId) throws ApiException
     }
 
     /**
-     * Get Fax. Returns information about a Fax
+     * Get Fax Returns information about a Fax
      *
      * @param faxId Fax ID (required)
      * @return FaxGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -197,13 +202,14 @@ public FaxGetResponse faxGet(String faxId) throws ApiException {
     }
 
     /**
-     * Get Fax. Returns information about a Fax
+     * Get Fax Returns information about a Fax
      *
      * @param faxId Fax ID (required)
      * @return ApiResponse&lt;FaxGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -246,7 +252,7 @@ public ApiResponse<FaxGetResponse> faxGetWithHttpInfo(String faxId) throws ApiEx
     }
 
     /**
-     * Lists Faxes. Returns properties of multiple Faxes
+     * Lists Faxes Returns properties of multiple Faxes
      *
      * @param page Which page number of the Fax List to return. Defaults to &#x60;1&#x60;.
      *     (optional, default to 1)
@@ -255,7 +261,8 @@ public ApiResponse<FaxGetResponse> faxGetWithHttpInfo(String faxId) throws ApiEx
      * @return FaxListResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -304,7 +311,7 @@ public ApiResponse<FaxListResponse> faxListWithHttpInfo(Integer page) throws Api
     }
 
     /**
-     * Lists Faxes. Returns properties of multiple Faxes
+     * Lists Faxes Returns properties of multiple Faxes
      *
      * @param page Which page number of the Fax List to return. Defaults to &#x60;1&#x60;.
      *     (optional, default to 1)
@@ -313,7 +320,8 @@ public ApiResponse<FaxListResponse> faxListWithHttpInfo(Integer page) throws Api
      * @return ApiResponse&lt;FaxListResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -358,13 +366,14 @@ public ApiResponse<FaxListResponse> faxListWithHttpInfo(Integer page, Integer pa
     }
 
     /**
-     * Send Fax. Creates and sends a new Fax with the submitted file(s)
+     * Send Fax Creates and sends a new Fax with the submitted file(s)
      *
      * @param faxSendRequest (required)
      * @return FaxGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -375,13 +384,14 @@ public FaxGetResponse faxSend(FaxSendRequest faxSendRequest) throws ApiException
     }
 
     /**
-     * Send Fax. Creates and sends a new Fax with the submitted file(s)
+     * Send Fax Creates and sends a new Fax with the submitted file(s)
      *
      * @param faxSendRequest (required)
      * @return ApiResponse&lt;FaxGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/api/FaxLineApi.java b/sdks/java-v1/src/main/java/com/dropbox/sign/api/FaxLineApi.java
index e8736ad65..346232fe7 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/api/FaxLineApi.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/api/FaxLineApi.java
@@ -21,7 +21,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class FaxLineApi {
     private ApiClient apiClient;
 
@@ -52,13 +52,14 @@ public void setApiClient(ApiClient apiClient) {
     }
 
     /**
-     * Add Fax Line User. Grants a user access to the specified Fax Line.
+     * Add Fax Line User Grants a user access to the specified Fax Line.
      *
      * @param faxLineAddUserRequest (required)
      * @return FaxLineResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -70,13 +71,14 @@ public FaxLineResponse faxLineAddUser(FaxLineAddUserRequest faxLineAddUserReques
     }
 
     /**
-     * Add Fax Line User. Grants a user access to the specified Fax Line.
+     * Add Fax Line User Grants a user access to the specified Fax Line.
      *
      * @param faxLineAddUserRequest (required)
      * @return ApiResponse&lt;FaxLineResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -120,7 +122,7 @@ public ApiResponse<FaxLineResponse> faxLineAddUserWithHttpInfo(
     }
 
     /**
-     * Get Available Fax Line Area Codes. Returns a list of available area codes for a given
+     * Get Available Fax Line Area Codes Returns a list of available area codes for a given
      * state/province and city
      *
      * @param country Filter area codes by country (required)
@@ -130,7 +132,8 @@ public ApiResponse<FaxLineResponse> faxLineAddUserWithHttpInfo(
      * @return FaxLineAreaCodeGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -207,7 +210,7 @@ public ApiResponse<FaxLineAreaCodeGetResponse> faxLineAreaCodeGetWithHttpInfo(
     }
 
     /**
-     * Get Available Fax Line Area Codes. Returns a list of available area codes for a given
+     * Get Available Fax Line Area Codes Returns a list of available area codes for a given
      * state/province and city
      *
      * @param country Filter area codes by country (required)
@@ -217,7 +220,8 @@ public ApiResponse<FaxLineAreaCodeGetResponse> faxLineAreaCodeGetWithHttpInfo(
      * @return ApiResponse&lt;FaxLineAreaCodeGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -266,13 +270,14 @@ public ApiResponse<FaxLineAreaCodeGetResponse> faxLineAreaCodeGetWithHttpInfo(
     }
 
     /**
-     * Purchase Fax Line. Purchases a new Fax Line
+     * Purchase Fax Line Purchases a new Fax Line
      *
      * @param faxLineCreateRequest (required)
      * @return FaxLineResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -284,13 +289,14 @@ public FaxLineResponse faxLineCreate(FaxLineCreateRequest faxLineCreateRequest)
     }
 
     /**
-     * Purchase Fax Line. Purchases a new Fax Line
+     * Purchase Fax Line Purchases a new Fax Line
      *
      * @param faxLineCreateRequest (required)
      * @return ApiResponse&lt;FaxLineResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -334,12 +340,13 @@ public ApiResponse<FaxLineResponse> faxLineCreateWithHttpInfo(
     }
 
     /**
-     * Delete Fax Line. Deletes the specified Fax Line from the subscription.
+     * Delete Fax Line Deletes the specified Fax Line from the subscription.
      *
      * @param faxLineDeleteRequest (required)
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -350,13 +357,14 @@ public void faxLineDelete(FaxLineDeleteRequest faxLineDeleteRequest) throws ApiE
     }
 
     /**
-     * Delete Fax Line. Deletes the specified Fax Line from the subscription.
+     * Delete Fax Line Deletes the specified Fax Line from the subscription.
      *
      * @param faxLineDeleteRequest (required)
      * @return ApiResponse&lt;Void&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -399,13 +407,14 @@ public ApiResponse<Void> faxLineDeleteWithHttpInfo(FaxLineDeleteRequest faxLineD
     }
 
     /**
-     * Get Fax Line. Returns the properties and settings of a Fax Line.
+     * Get Fax Line Returns the properties and settings of a Fax Line.
      *
      * @param number The Fax Line number (required)
      * @return FaxLineResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -416,13 +425,14 @@ public FaxLineResponse faxLineGet(String number) throws ApiException {
     }
 
     /**
-     * Get Fax Line. Returns the properties and settings of a Fax Line.
+     * Get Fax Line Returns the properties and settings of a Fax Line.
      *
      * @param number The Fax Line number (required)
      * @return ApiResponse&lt;FaxLineResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -465,7 +475,7 @@ public ApiResponse<FaxLineResponse> faxLineGetWithHttpInfo(String number) throws
     }
 
     /**
-     * List Fax Lines. Returns the properties and settings of multiple Fax Lines.
+     * List Fax Lines Returns the properties and settings of multiple Fax Lines.
      *
      * @param accountId Account ID (optional)
      * @param page Which page number of the Fax Line List to return. Defaults to &#x60;1&#x60;.
@@ -476,7 +486,8 @@ public ApiResponse<FaxLineResponse> faxLineGetWithHttpInfo(String number) throws
      * @return FaxLineListResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -577,7 +588,7 @@ public ApiResponse<FaxLineListResponse> faxLineListWithHttpInfo(
     }
 
     /**
-     * List Fax Lines. Returns the properties and settings of multiple Fax Lines.
+     * List Fax Lines Returns the properties and settings of multiple Fax Lines.
      *
      * @param accountId Account ID (optional)
      * @param page Which page number of the Fax Line List to return. Defaults to &#x60;1&#x60;.
@@ -588,7 +599,8 @@ public ApiResponse<FaxLineListResponse> faxLineListWithHttpInfo(
      * @return ApiResponse&lt;FaxLineListResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -638,13 +650,14 @@ public ApiResponse<FaxLineListResponse> faxLineListWithHttpInfo(
     }
 
     /**
-     * Remove Fax Line Access. Removes a user&#39;s access to the specified Fax Line
+     * Remove Fax Line Access Removes a user&#39;s access to the specified Fax Line
      *
      * @param faxLineRemoveUserRequest (required)
      * @return FaxLineResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -656,13 +669,14 @@ public FaxLineResponse faxLineRemoveUser(FaxLineRemoveUserRequest faxLineRemoveU
     }
 
     /**
-     * Remove Fax Line Access. Removes a user&#39;s access to the specified Fax Line
+     * Remove Fax Line Access Removes a user&#39;s access to the specified Fax Line
      *
      * @param faxLineRemoveUserRequest (required)
      * @return ApiResponse&lt;FaxLineResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/api/OAuthApi.java b/sdks/java-v1/src/main/java/com/dropbox/sign/api/OAuthApi.java
index db4fbb10c..4286c030c 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/api/OAuthApi.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/api/OAuthApi.java
@@ -14,7 +14,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class OAuthApi {
     private ApiClient apiClient;
 
@@ -45,14 +45,15 @@ public void setApiClient(ApiClient apiClient) {
     }
 
     /**
-     * OAuth Token Generate. Once you have retrieved the code from the user callback, you will need
+     * OAuth Token Generate Once you have retrieved the code from the user callback, you will need
      * to exchange it for an access token via a backend call.
      *
      * @param oauthTokenGenerateRequest (required)
      * @return OAuthTokenResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -64,14 +65,15 @@ public OAuthTokenResponse oauthTokenGenerate(
     }
 
     /**
-     * OAuth Token Generate. Once you have retrieved the code from the user callback, you will need
+     * OAuth Token Generate Once you have retrieved the code from the user callback, you will need
      * to exchange it for an access token via a backend call.
      *
      * @param oauthTokenGenerateRequest (required)
      * @return ApiResponse&lt;OAuthTokenResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -115,7 +117,7 @@ public ApiResponse<OAuthTokenResponse> oauthTokenGenerateWithHttpInfo(
     }
 
     /**
-     * OAuth Token Refresh. Access tokens are only valid for a given period of time (typically one
+     * OAuth Token Refresh Access tokens are only valid for a given period of time (typically one
      * hour) for security reasons. Whenever acquiring an new access token its TTL is also given (see
      * &#x60;expires_in&#x60;), along with a refresh token that can be used to acquire a new access
      * token after the current one has expired.
@@ -124,7 +126,8 @@ public ApiResponse<OAuthTokenResponse> oauthTokenGenerateWithHttpInfo(
      * @return OAuthTokenResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -136,7 +139,7 @@ public OAuthTokenResponse oauthTokenRefresh(OAuthTokenRefreshRequest oauthTokenR
     }
 
     /**
-     * OAuth Token Refresh. Access tokens are only valid for a given period of time (typically one
+     * OAuth Token Refresh Access tokens are only valid for a given period of time (typically one
      * hour) for security reasons. Whenever acquiring an new access token its TTL is also given (see
      * &#x60;expires_in&#x60;), along with a refresh token that can be used to acquire a new access
      * token after the current one has expired.
@@ -145,7 +148,8 @@ public OAuthTokenResponse oauthTokenRefresh(OAuthTokenRefreshRequest oauthTokenR
      * @return ApiResponse&lt;OAuthTokenResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/api/ReportApi.java b/sdks/java-v1/src/main/java/com/dropbox/sign/api/ReportApi.java
index 5fa6c0f95..32c6bea91 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/api/ReportApi.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/api/ReportApi.java
@@ -13,7 +13,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class ReportApi {
     private ApiClient apiClient;
 
@@ -44,7 +44,7 @@ public void setApiClient(ApiClient apiClient) {
     }
 
     /**
-     * Create Report. Request the creation of one or more report(s). When the report(s) have been
+     * Create Report Request the creation of one or more report(s). When the report(s) have been
      * generated, you will receive an email (one per requested report type) containing a link to
      * download the report as a CSV file. The requested date range may be up to 12 months in
      * duration, and &#x60;start_date&#x60; must not be more than 10 years in the past.
@@ -53,7 +53,8 @@ public void setApiClient(ApiClient apiClient) {
      * @return ReportCreateResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -65,7 +66,7 @@ public ReportCreateResponse reportCreate(ReportCreateRequest reportCreateRequest
     }
 
     /**
-     * Create Report. Request the creation of one or more report(s). When the report(s) have been
+     * Create Report Request the creation of one or more report(s). When the report(s) have been
      * generated, you will receive an email (one per requested report type) containing a link to
      * download the report as a CSV file. The requested date range may be up to 12 months in
      * duration, and &#x60;start_date&#x60; must not be more than 10 years in the past.
@@ -74,7 +75,8 @@ public ReportCreateResponse reportCreate(ReportCreateRequest reportCreateRequest
      * @return ApiResponse&lt;ReportCreateResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/api/SignatureRequestApi.java b/sdks/java-v1/src/main/java/com/dropbox/sign/api/SignatureRequestApi.java
index 6996e6c02..e8e83e549 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/api/SignatureRequestApi.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/api/SignatureRequestApi.java
@@ -32,7 +32,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class SignatureRequestApi {
     private ApiClient apiClient;
 
@@ -63,7 +63,7 @@ public void setApiClient(ApiClient apiClient) {
     }
 
     /**
-     * Embedded Bulk Send with Template. Creates BulkSendJob which sends up to 250 SignatureRequests
+     * Embedded Bulk Send with Template Creates BulkSendJob which sends up to 250 SignatureRequests
      * in bulk based off of the provided Template(s) specified with the &#x60;template_ids&#x60;
      * parameter to be signed in an embedded iFrame. These embedded signature requests can only be
      * signed in embedded iFrames whereas normal signature requests can only be signed on Dropbox
@@ -73,7 +73,8 @@ public void setApiClient(ApiClient apiClient) {
      * @return BulkSendJobSendResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -89,7 +90,7 @@ public BulkSendJobSendResponse signatureRequestBulkCreateEmbeddedWithTemplate(
     }
 
     /**
-     * Embedded Bulk Send with Template. Creates BulkSendJob which sends up to 250 SignatureRequests
+     * Embedded Bulk Send with Template Creates BulkSendJob which sends up to 250 SignatureRequests
      * in bulk based off of the provided Template(s) specified with the &#x60;template_ids&#x60;
      * parameter to be signed in an embedded iFrame. These embedded signature requests can only be
      * signed in embedded iFrames whereas normal signature requests can only be signed on Dropbox
@@ -99,7 +100,8 @@ public BulkSendJobSendResponse signatureRequestBulkCreateEmbeddedWithTemplate(
      * @return ApiResponse&lt;BulkSendJobSendResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -149,7 +151,7 @@ public BulkSendJobSendResponse signatureRequestBulkCreateEmbeddedWithTemplate(
     }
 
     /**
-     * Bulk Send with Template. Creates BulkSendJob which sends up to 250 SignatureRequests in bulk
+     * Bulk Send with Template Creates BulkSendJob which sends up to 250 SignatureRequests in bulk
      * based off of the provided Template(s) specified with the &#x60;template_ids&#x60; parameter.
      * **NOTE:** Only available for Standard plan and higher.
      *
@@ -157,7 +159,8 @@ public BulkSendJobSendResponse signatureRequestBulkCreateEmbeddedWithTemplate(
      * @return BulkSendJobSendResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -172,7 +175,7 @@ public BulkSendJobSendResponse signatureRequestBulkSendWithTemplate(
     }
 
     /**
-     * Bulk Send with Template. Creates BulkSendJob which sends up to 250 SignatureRequests in bulk
+     * Bulk Send with Template Creates BulkSendJob which sends up to 250 SignatureRequests in bulk
      * based off of the provided Template(s) specified with the &#x60;template_ids&#x60; parameter.
      * **NOTE:** Only available for Standard plan and higher.
      *
@@ -180,7 +183,8 @@ public BulkSendJobSendResponse signatureRequestBulkSendWithTemplate(
      * @return ApiResponse&lt;BulkSendJobSendResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -227,7 +231,7 @@ public ApiResponse<BulkSendJobSendResponse> signatureRequestBulkSendWithTemplate
     }
 
     /**
-     * Cancel Incomplete Signature Request. Cancels an incomplete signature request. This action is
+     * Cancel Incomplete Signature Request Cancels an incomplete signature request. This action is
      * **not reversible**. The request will be canceled and signers will no longer be able to sign.
      * If they try to access the signature request they will receive a HTTP 410 status code
      * indicating that the resource has been deleted. Cancelation is asynchronous and a successful
@@ -249,7 +253,8 @@ public ApiResponse<BulkSendJobSendResponse> signatureRequestBulkSendWithTemplate
      * @param signatureRequestId The id of the incomplete SignatureRequest to cancel. (required)
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -260,7 +265,7 @@ public void signatureRequestCancel(String signatureRequestId) throws ApiExceptio
     }
 
     /**
-     * Cancel Incomplete Signature Request. Cancels an incomplete signature request. This action is
+     * Cancel Incomplete Signature Request Cancels an incomplete signature request. This action is
      * **not reversible**. The request will be canceled and signers will no longer be able to sign.
      * If they try to access the signature request they will receive a HTTP 410 status code
      * indicating that the resource has been deleted. Cancelation is asynchronous and a successful
@@ -283,7 +288,8 @@ public void signatureRequestCancel(String signatureRequestId) throws ApiExceptio
      * @return ApiResponse&lt;Void&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -331,18 +337,19 @@ public ApiResponse<Void> signatureRequestCancelWithHttpInfo(String signatureRequ
     }
 
     /**
-     * Create Embedded Signature Request. Creates a new SignatureRequest with the submitted
-     * documents to be signed in an embedded iFrame. If form_fields_per_document is not specified, a
-     * signature page will be affixed where all signers will be required to add their signature,
-     * signifying their agreement to all contained documents. Note that embedded signature requests
-     * can only be signed in embedded iFrames whereas normal signature requests can only be signed
-     * on Dropbox Sign.
+     * Create Embedded Signature Request Creates a new SignatureRequest with the submitted documents
+     * to be signed in an embedded iFrame. If form_fields_per_document is not specified, a signature
+     * page will be affixed where all signers will be required to add their signature, signifying
+     * their agreement to all contained documents. Note that embedded signature requests can only be
+     * signed in embedded iFrames whereas normal signature requests can only be signed on Dropbox
+     * Sign.
      *
      * @param signatureRequestCreateEmbeddedRequest (required)
      * @return SignatureRequestGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -356,18 +363,19 @@ public SignatureRequestGetResponse signatureRequestCreateEmbedded(
     }
 
     /**
-     * Create Embedded Signature Request. Creates a new SignatureRequest with the submitted
-     * documents to be signed in an embedded iFrame. If form_fields_per_document is not specified, a
-     * signature page will be affixed where all signers will be required to add their signature,
-     * signifying their agreement to all contained documents. Note that embedded signature requests
-     * can only be signed in embedded iFrames whereas normal signature requests can only be signed
-     * on Dropbox Sign.
+     * Create Embedded Signature Request Creates a new SignatureRequest with the submitted documents
+     * to be signed in an embedded iFrame. If form_fields_per_document is not specified, a signature
+     * page will be affixed where all signers will be required to add their signature, signifying
+     * their agreement to all contained documents. Note that embedded signature requests can only be
+     * signed in embedded iFrames whereas normal signature requests can only be signed on Dropbox
+     * Sign.
      *
      * @param signatureRequestCreateEmbeddedRequest (required)
      * @return ApiResponse&lt;SignatureRequestGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -414,7 +422,7 @@ public ApiResponse<SignatureRequestGetResponse> signatureRequestCreateEmbeddedWi
     }
 
     /**
-     * Create Embedded Signature Request with Template. Creates a new SignatureRequest based on the
+     * Create Embedded Signature Request with Template Creates a new SignatureRequest based on the
      * given Template(s) to be signed in an embedded iFrame. Note that embedded signature requests
      * can only be signed in embedded iFrames whereas normal signature requests can only be signed
      * on Dropbox Sign.
@@ -423,7 +431,8 @@ public ApiResponse<SignatureRequestGetResponse> signatureRequestCreateEmbeddedWi
      * @return SignatureRequestGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -439,7 +448,7 @@ public SignatureRequestGetResponse signatureRequestCreateEmbeddedWithTemplate(
     }
 
     /**
-     * Create Embedded Signature Request with Template. Creates a new SignatureRequest based on the
+     * Create Embedded Signature Request with Template Creates a new SignatureRequest based on the
      * given Template(s) to be signed in an embedded iFrame. Note that embedded signature requests
      * can only be signed in embedded iFrames whereas normal signature requests can only be signed
      * on Dropbox Sign.
@@ -448,7 +457,8 @@ public SignatureRequestGetResponse signatureRequestCreateEmbeddedWithTemplate(
      * @return ApiResponse&lt;SignatureRequestGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -498,7 +508,7 @@ public SignatureRequestGetResponse signatureRequestCreateEmbeddedWithTemplate(
     }
 
     /**
-     * Edit Signature Request. Edits and sends a SignatureRequest with the submitted documents. If
+     * Edit Signature Request Edits and sends a SignatureRequest with the submitted documents. If
      * &#x60;form_fields_per_document&#x60; is not specified, a signature page will be affixed where
      * all signers will be required to add their signature, signifying their agreement to all
      * contained documents. **NOTE:** Edit and resend will not deduct your signature request quota.
@@ -508,7 +518,8 @@ public SignatureRequestGetResponse signatureRequestCreateEmbeddedWithTemplate(
      * @return SignatureRequestGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -522,7 +533,7 @@ public SignatureRequestGetResponse signatureRequestEdit(
     }
 
     /**
-     * Edit Signature Request. Edits and sends a SignatureRequest with the submitted documents. If
+     * Edit Signature Request Edits and sends a SignatureRequest with the submitted documents. If
      * &#x60;form_fields_per_document&#x60; is not specified, a signature page will be affixed where
      * all signers will be required to add their signature, signifying their agreement to all
      * contained documents. **NOTE:** Edit and resend will not deduct your signature request quota.
@@ -532,7 +543,8 @@ public SignatureRequestGetResponse signatureRequestEdit(
      * @return ApiResponse&lt;SignatureRequestGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -592,7 +604,7 @@ public ApiResponse<SignatureRequestGetResponse> signatureRequestEditWithHttpInfo
     }
 
     /**
-     * Edit Embedded Signature Request. Edits a SignatureRequest with the submitted documents to be
+     * Edit Embedded Signature Request Edits a SignatureRequest with the submitted documents to be
      * signed in an embedded iFrame. If form_fields_per_document is not specified, a signature page
      * will be affixed where all signers will be required to add their signature, signifying their
      * agreement to all contained documents. Note that embedded signature requests can only be
@@ -604,7 +616,8 @@ public ApiResponse<SignatureRequestGetResponse> signatureRequestEditWithHttpInfo
      * @return SignatureRequestGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -620,7 +633,7 @@ public SignatureRequestGetResponse signatureRequestEditEmbedded(
     }
 
     /**
-     * Edit Embedded Signature Request. Edits a SignatureRequest with the submitted documents to be
+     * Edit Embedded Signature Request Edits a SignatureRequest with the submitted documents to be
      * signed in an embedded iFrame. If form_fields_per_document is not specified, a signature page
      * will be affixed where all signers will be required to add their signature, signifying their
      * agreement to all contained documents. Note that embedded signature requests can only be
@@ -632,7 +645,8 @@ public SignatureRequestGetResponse signatureRequestEditEmbedded(
      * @return ApiResponse&lt;SignatureRequestGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -693,7 +707,7 @@ public ApiResponse<SignatureRequestGetResponse> signatureRequestEditEmbeddedWith
     }
 
     /**
-     * Edit Embedded Signature Request with Template. Edits a SignatureRequest based on the given
+     * Edit Embedded Signature Request with Template Edits a SignatureRequest based on the given
      * Template(s) to be signed in an embedded iFrame. Note that embedded signature requests can
      * only be signed in embedded iFrames whereas normal signature requests can only be signed on
      * Dropbox Sign.
@@ -703,7 +717,8 @@ public ApiResponse<SignatureRequestGetResponse> signatureRequestEditEmbeddedWith
      * @return SignatureRequestGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -720,7 +735,7 @@ public SignatureRequestGetResponse signatureRequestEditEmbeddedWithTemplate(
     }
 
     /**
-     * Edit Embedded Signature Request with Template. Edits a SignatureRequest based on the given
+     * Edit Embedded Signature Request with Template Edits a SignatureRequest based on the given
      * Template(s) to be signed in an embedded iFrame. Note that embedded signature requests can
      * only be signed in embedded iFrames whereas normal signature requests can only be signed on
      * Dropbox Sign.
@@ -730,7 +745,8 @@ public SignatureRequestGetResponse signatureRequestEditEmbeddedWithTemplate(
      * @return ApiResponse&lt;SignatureRequestGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -794,7 +810,7 @@ public SignatureRequestGetResponse signatureRequestEditEmbeddedWithTemplate(
     }
 
     /**
-     * Edit Signature Request With Template. Edits and sends a SignatureRequest based off of the
+     * Edit Signature Request With Template Edits and sends a SignatureRequest based off of the
      * Template(s) specified with the template_ids parameter. **NOTE:** Edit and resend will not
      * deduct your signature request quota.
      *
@@ -803,7 +819,8 @@ public SignatureRequestGetResponse signatureRequestEditEmbeddedWithTemplate(
      * @return SignatureRequestGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -819,7 +836,7 @@ public SignatureRequestGetResponse signatureRequestEditWithTemplate(
     }
 
     /**
-     * Edit Signature Request With Template. Edits and sends a SignatureRequest based off of the
+     * Edit Signature Request With Template Edits and sends a SignatureRequest based off of the
      * Template(s) specified with the template_ids parameter. **NOTE:** Edit and resend will not
      * deduct your signature request quota.
      *
@@ -828,7 +845,8 @@ public SignatureRequestGetResponse signatureRequestEditWithTemplate(
      * @return ApiResponse&lt;SignatureRequestGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -889,7 +907,7 @@ public ApiResponse<SignatureRequestGetResponse> signatureRequestEditWithTemplate
     }
 
     /**
-     * Download Files. Obtain a copy of the current documents specified by the
+     * Download Files Obtain a copy of the current documents specified by the
      * &#x60;signature_request_id&#x60; parameter. Returns a PDF or ZIP file. If the files are
      * currently being prepared, a status code of &#x60;409&#x60; will be returned instead.
      *
@@ -899,7 +917,8 @@ public ApiResponse<SignatureRequestGetResponse> signatureRequestEditWithTemplate
      * @return File
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -930,7 +949,7 @@ public ApiResponse<File> signatureRequestFilesWithHttpInfo(String signatureReque
     }
 
     /**
-     * Download Files. Obtain a copy of the current documents specified by the
+     * Download Files Obtain a copy of the current documents specified by the
      * &#x60;signature_request_id&#x60; parameter. Returns a PDF or ZIP file. If the files are
      * currently being prepared, a status code of &#x60;409&#x60; will be returned instead.
      *
@@ -940,7 +959,8 @@ public ApiResponse<File> signatureRequestFilesWithHttpInfo(String signatureReque
      * @return ApiResponse&lt;File&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -998,7 +1018,7 @@ public ApiResponse<File> signatureRequestFilesWithHttpInfo(
     }
 
     /**
-     * Download Files as Data Uri. Obtain a copy of the current documents specified by the
+     * Download Files as Data Uri Obtain a copy of the current documents specified by the
      * &#x60;signature_request_id&#x60; parameter. Returns a JSON object with a &#x60;data_uri&#x60;
      * representing the base64 encoded file (PDFs only). If the files are currently being prepared,
      * a status code of &#x60;409&#x60; will be returned instead.
@@ -1007,7 +1027,8 @@ public ApiResponse<File> signatureRequestFilesWithHttpInfo(
      * @return FileResponseDataUri
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1019,7 +1040,7 @@ public FileResponseDataUri signatureRequestFilesAsDataUri(String signatureReques
     }
 
     /**
-     * Download Files as Data Uri. Obtain a copy of the current documents specified by the
+     * Download Files as Data Uri Obtain a copy of the current documents specified by the
      * &#x60;signature_request_id&#x60; parameter. Returns a JSON object with a &#x60;data_uri&#x60;
      * representing the base64 encoded file (PDFs only). If the files are currently being prepared,
      * a status code of &#x60;409&#x60; will be returned instead.
@@ -1028,7 +1049,8 @@ public FileResponseDataUri signatureRequestFilesAsDataUri(String signatureReques
      * @return ApiResponse&lt;FileResponseDataUri&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1078,7 +1100,7 @@ public ApiResponse<FileResponseDataUri> signatureRequestFilesAsDataUriWithHttpIn
     }
 
     /**
-     * Download Files as File Url. Obtain a copy of the current documents specified by the
+     * Download Files as File Url Obtain a copy of the current documents specified by the
      * &#x60;signature_request_id&#x60; parameter. Returns a JSON object with a url to the file
      * (PDFs only). If the files are currently being prepared, a status code of &#x60;409&#x60; will
      * be returned instead.
@@ -1090,7 +1112,8 @@ public ApiResponse<FileResponseDataUri> signatureRequestFilesAsDataUriWithHttpIn
      * @return FileResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1124,7 +1147,7 @@ public ApiResponse<FileResponse> signatureRequestFilesAsFileUrlWithHttpInfo(
     }
 
     /**
-     * Download Files as File Url. Obtain a copy of the current documents specified by the
+     * Download Files as File Url Obtain a copy of the current documents specified by the
      * &#x60;signature_request_id&#x60; parameter. Returns a JSON object with a url to the file
      * (PDFs only). If the files are currently being prepared, a status code of &#x60;409&#x60; will
      * be returned instead.
@@ -1136,7 +1159,8 @@ public ApiResponse<FileResponse> signatureRequestFilesAsFileUrlWithHttpInfo(
      * @return ApiResponse&lt;FileResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1192,14 +1216,15 @@ public ApiResponse<FileResponse> signatureRequestFilesAsFileUrlWithHttpInfo(
     }
 
     /**
-     * Get Signature Request. Returns the status of the SignatureRequest specified by the
+     * Get Signature Request Returns the status of the SignatureRequest specified by the
      * &#x60;signature_request_id&#x60; parameter.
      *
      * @param signatureRequestId The id of the SignatureRequest to retrieve. (required)
      * @return SignatureRequestGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1211,14 +1236,15 @@ public SignatureRequestGetResponse signatureRequestGet(String signatureRequestId
     }
 
     /**
-     * Get Signature Request. Returns the status of the SignatureRequest specified by the
+     * Get Signature Request Returns the status of the SignatureRequest specified by the
      * &#x60;signature_request_id&#x60; parameter.
      *
      * @param signatureRequestId The id of the SignatureRequest to retrieve. (required)
      * @return ApiResponse&lt;SignatureRequestGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1268,7 +1294,7 @@ public ApiResponse<SignatureRequestGetResponse> signatureRequestGetWithHttpInfo(
     }
 
     /**
-     * List Signature Requests. Returns a list of SignatureRequests that you can access. This
+     * List Signature Requests Returns a list of SignatureRequests that you can access. This
      * includes SignatureRequests you have sent as well as received, but not ones that you have been
      * CCed on. Take a look at our [search guide](/api/reference/search/) to learn more about
      * querying signature requests.
@@ -1284,7 +1310,8 @@ public ApiResponse<SignatureRequestGetResponse> signatureRequestGetWithHttpInfo(
      * @return SignatureRequestListResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1386,7 +1413,7 @@ public ApiResponse<SignatureRequestListResponse> signatureRequestListWithHttpInf
     }
 
     /**
-     * List Signature Requests. Returns a list of SignatureRequests that you can access. This
+     * List Signature Requests Returns a list of SignatureRequests that you can access. This
      * includes SignatureRequests you have sent as well as received, but not ones that you have been
      * CCed on. Take a look at our [search guide](/api/reference/search/) to learn more about
      * querying signature requests.
@@ -1402,7 +1429,8 @@ public ApiResponse<SignatureRequestListResponse> signatureRequestListWithHttpInf
      * @return ApiResponse&lt;SignatureRequestListResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1450,7 +1478,7 @@ public ApiResponse<SignatureRequestListResponse> signatureRequestListWithHttpInf
     }
 
     /**
-     * Release On-Hold Signature Request. Releases a held SignatureRequest that was claimed and
+     * Release On-Hold Signature Request Releases a held SignatureRequest that was claimed and
      * prepared from an [UnclaimedDraft](/api/reference/tag/Unclaimed-Draft). The owner of the Draft
      * must indicate at Draft creation that the SignatureRequest created from the Draft should be
      * held. Releasing the SignatureRequest will send requests to all signers.
@@ -1459,7 +1487,8 @@ public ApiResponse<SignatureRequestListResponse> signatureRequestListWithHttpInf
      * @return SignatureRequestGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1471,7 +1500,7 @@ public SignatureRequestGetResponse signatureRequestReleaseHold(String signatureR
     }
 
     /**
-     * Release On-Hold Signature Request. Releases a held SignatureRequest that was claimed and
+     * Release On-Hold Signature Request Releases a held SignatureRequest that was claimed and
      * prepared from an [UnclaimedDraft](/api/reference/tag/Unclaimed-Draft). The owner of the Draft
      * must indicate at Draft creation that the SignatureRequest created from the Draft should be
      * held. Releasing the SignatureRequest will send requests to all signers.
@@ -1480,7 +1509,8 @@ public SignatureRequestGetResponse signatureRequestReleaseHold(String signatureR
      * @return ApiResponse&lt;SignatureRequestGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1530,7 +1560,7 @@ public ApiResponse<SignatureRequestGetResponse> signatureRequestReleaseHoldWithH
     }
 
     /**
-     * Send Request Reminder. Sends an email to the signer reminding them to sign the signature
+     * Send Request Reminder Sends an email to the signer reminding them to sign the signature
      * request. You cannot send a reminder within 1 hour of the last reminder that was sent. This
      * includes manual AND automatic reminders. **NOTE:** This action can **not** be used with
      * embedded signature requests.
@@ -1540,7 +1570,8 @@ public ApiResponse<SignatureRequestGetResponse> signatureRequestReleaseHoldWithH
      * @return SignatureRequestGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1554,7 +1585,7 @@ public SignatureRequestGetResponse signatureRequestRemind(
     }
 
     /**
-     * Send Request Reminder. Sends an email to the signer reminding them to sign the signature
+     * Send Request Reminder Sends an email to the signer reminding them to sign the signature
      * request. You cannot send a reminder within 1 hour of the last reminder that was sent. This
      * includes manual AND automatic reminders. **NOTE:** This action can **not** be used with
      * embedded signature requests.
@@ -1564,7 +1595,8 @@ public SignatureRequestGetResponse signatureRequestRemind(
      * @return ApiResponse&lt;SignatureRequestGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1623,7 +1655,7 @@ public ApiResponse<SignatureRequestGetResponse> signatureRequestRemindWithHttpIn
     }
 
     /**
-     * Remove Signature Request Access. Removes your access to a completed signature request. This
+     * Remove Signature Request Access Removes your access to a completed signature request. This
      * action is **not reversible**. The signature request must be fully executed by all parties
      * (signed or declined to sign). Other parties will continue to maintain access to the completed
      * signature request document(s). Unlike /signature_request/cancel, this endpoint is synchronous
@@ -1633,7 +1665,8 @@ public ApiResponse<SignatureRequestGetResponse> signatureRequestRemindWithHttpIn
      * @param signatureRequestId The id of the SignatureRequest to remove. (required)
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1644,7 +1677,7 @@ public void signatureRequestRemove(String signatureRequestId) throws ApiExceptio
     }
 
     /**
-     * Remove Signature Request Access. Removes your access to a completed signature request. This
+     * Remove Signature Request Access Removes your access to a completed signature request. This
      * action is **not reversible**. The signature request must be fully executed by all parties
      * (signed or declined to sign). Other parties will continue to maintain access to the completed
      * signature request document(s). Unlike /signature_request/cancel, this endpoint is synchronous
@@ -1655,7 +1688,8 @@ public void signatureRequestRemove(String signatureRequestId) throws ApiExceptio
      * @return ApiResponse&lt;Void&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1703,16 +1737,17 @@ public ApiResponse<Void> signatureRequestRemoveWithHttpInfo(String signatureRequ
     }
 
     /**
-     * Send Signature Request. Creates and sends a new SignatureRequest with the submitted
-     * documents. If &#x60;form_fields_per_document&#x60; is not specified, a signature page will be
-     * affixed where all signers will be required to add their signature, signifying their agreement
-     * to all contained documents.
+     * Send Signature Request Creates and sends a new SignatureRequest with the submitted documents.
+     * If &#x60;form_fields_per_document&#x60; is not specified, a signature page will be affixed
+     * where all signers will be required to add their signature, signifying their agreement to all
+     * contained documents.
      *
      * @param signatureRequestSendRequest (required)
      * @return SignatureRequestGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1724,16 +1759,17 @@ public SignatureRequestGetResponse signatureRequestSend(
     }
 
     /**
-     * Send Signature Request. Creates and sends a new SignatureRequest with the submitted
-     * documents. If &#x60;form_fields_per_document&#x60; is not specified, a signature page will be
-     * affixed where all signers will be required to add their signature, signifying their agreement
-     * to all contained documents.
+     * Send Signature Request Creates and sends a new SignatureRequest with the submitted documents.
+     * If &#x60;form_fields_per_document&#x60; is not specified, a signature page will be affixed
+     * where all signers will be required to add their signature, signifying their agreement to all
+     * contained documents.
      *
      * @param signatureRequestSendRequest (required)
      * @return ApiResponse&lt;SignatureRequestGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1779,14 +1815,15 @@ public ApiResponse<SignatureRequestGetResponse> signatureRequestSendWithHttpInfo
     }
 
     /**
-     * Send with Template. Creates and sends a new SignatureRequest based off of the Template(s)
+     * Send with Template Creates and sends a new SignatureRequest based off of the Template(s)
      * specified with the &#x60;template_ids&#x60; parameter.
      *
      * @param signatureRequestSendWithTemplateRequest (required)
      * @return SignatureRequestGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1800,14 +1837,15 @@ public SignatureRequestGetResponse signatureRequestSendWithTemplate(
     }
 
     /**
-     * Send with Template. Creates and sends a new SignatureRequest based off of the Template(s)
+     * Send with Template Creates and sends a new SignatureRequest based off of the Template(s)
      * specified with the &#x60;template_ids&#x60; parameter.
      *
      * @param signatureRequestSendWithTemplateRequest (required)
      * @return ApiResponse&lt;SignatureRequestGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1854,7 +1892,7 @@ public ApiResponse<SignatureRequestGetResponse> signatureRequestSendWithTemplate
     }
 
     /**
-     * Update Signature Request. Updates the email address and/or the name for a given signer on a
+     * Update Signature Request Updates the email address and/or the name for a given signer on a
      * signature request. You can listen for the &#x60;signature_request_email_bounce&#x60; event on
      * your app or account to detect bounced emails, and respond with this method. Updating the
      * email address of a signer will generate a new &#x60;signature_id&#x60; value. **NOTE:** This
@@ -1865,7 +1903,8 @@ public ApiResponse<SignatureRequestGetResponse> signatureRequestSendWithTemplate
      * @return SignatureRequestGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1879,7 +1918,7 @@ public SignatureRequestGetResponse signatureRequestUpdate(
     }
 
     /**
-     * Update Signature Request. Updates the email address and/or the name for a given signer on a
+     * Update Signature Request Updates the email address and/or the name for a given signer on a
      * signature request. You can listen for the &#x60;signature_request_email_bounce&#x60; event on
      * your app or account to detect bounced emails, and respond with this method. Updating the
      * email address of a signer will generate a new &#x60;signature_id&#x60; value. **NOTE:** This
@@ -1890,7 +1929,8 @@ public SignatureRequestGetResponse signatureRequestUpdate(
      * @return ApiResponse&lt;SignatureRequestGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/api/TeamApi.java b/sdks/java-v1/src/main/java/com/dropbox/sign/api/TeamApi.java
index cf3167ab9..7ccffdb6d 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/api/TeamApi.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/api/TeamApi.java
@@ -23,7 +23,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class TeamApi {
     private ApiClient apiClient;
 
@@ -54,7 +54,7 @@ public void setApiClient(ApiClient apiClient) {
     }
 
     /**
-     * Add User to Team. Invites a user (specified using the &#x60;email_address&#x60; parameter) to
+     * Add User to Team Invites a user (specified using the &#x60;email_address&#x60; parameter) to
      * your Team. If the user does not currently have a Dropbox Sign Account, a new one will be
      * created for them. If a user is already a part of another Team, a
      * &#x60;team_invite_failed&#x60; error will be returned.
@@ -64,7 +64,8 @@ public void setApiClient(ApiClient apiClient) {
      * @return TeamGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -96,7 +97,7 @@ public ApiResponse<TeamGetResponse> teamAddMemberWithHttpInfo(
     }
 
     /**
-     * Add User to Team. Invites a user (specified using the &#x60;email_address&#x60; parameter) to
+     * Add User to Team Invites a user (specified using the &#x60;email_address&#x60; parameter) to
      * your Team. If the user does not currently have a Dropbox Sign Account, a new one will be
      * created for them. If a user is already a part of another Team, a
      * &#x60;team_invite_failed&#x60; error will be returned.
@@ -106,7 +107,8 @@ public ApiResponse<TeamGetResponse> teamAddMemberWithHttpInfo(
      * @return ApiResponse&lt;TeamGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -154,14 +156,15 @@ public ApiResponse<TeamGetResponse> teamAddMemberWithHttpInfo(
     }
 
     /**
-     * Create Team. Creates a new Team and makes you a member. You must not currently belong to a
+     * Create Team Creates a new Team and makes you a member. You must not currently belong to a
      * Team to invoke.
      *
      * @param teamCreateRequest (required)
      * @return TeamGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -172,14 +175,15 @@ public TeamGetResponse teamCreate(TeamCreateRequest teamCreateRequest) throws Ap
     }
 
     /**
-     * Create Team. Creates a new Team and makes you a member. You must not currently belong to a
+     * Create Team Creates a new Team and makes you a member. You must not currently belong to a
      * Team to invoke.
      *
      * @param teamCreateRequest (required)
      * @return ApiResponse&lt;TeamGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -222,12 +226,13 @@ public ApiResponse<TeamGetResponse> teamCreateWithHttpInfo(TeamCreateRequest tea
     }
 
     /**
-     * Delete Team. Deletes your Team. Can only be invoked when you have a Team with only one member
+     * Delete Team Deletes your Team. Can only be invoked when you have a Team with only one member
      * (yourself).
      *
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -238,13 +243,14 @@ public void teamDelete() throws ApiException {
     }
 
     /**
-     * Delete Team. Deletes your Team. Can only be invoked when you have a Team with only one member
+     * Delete Team Deletes your Team. Can only be invoked when you have a Team with only one member
      * (yourself).
      *
      * @return ApiResponse&lt;Void&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -276,13 +282,14 @@ public ApiResponse<Void> teamDeleteWithHttpInfo() throws ApiException {
     }
 
     /**
-     * Get Team. Returns information about your Team as well as a list of its members. If you do not
+     * Get Team Returns information about your Team as well as a list of its members. If you do not
      * belong to a Team, a 404 error with an error_name of \&quot;not_found\&quot; will be returned.
      *
      * @return TeamGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -293,13 +300,14 @@ public TeamGetResponse teamGet() throws ApiException {
     }
 
     /**
-     * Get Team. Returns information about your Team as well as a list of its members. If you do not
+     * Get Team Returns information about your Team as well as a list of its members. If you do not
      * belong to a Team, a 404 error with an error_name of \&quot;not_found\&quot; will be returned.
      *
      * @return ApiResponse&lt;TeamGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -332,13 +340,14 @@ public ApiResponse<TeamGetResponse> teamGetWithHttpInfo() throws ApiException {
     }
 
     /**
-     * Get Team Info. Provides information about a team.
+     * Get Team Info Provides information about a team.
      *
      * @param teamId The id of the team. (optional)
      * @return TeamGetInfoResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -367,13 +376,14 @@ public ApiResponse<TeamGetInfoResponse> teamInfoWithHttpInfo() throws ApiExcepti
     }
 
     /**
-     * Get Team Info. Provides information about a team.
+     * Get Team Info Provides information about a team.
      *
      * @param teamId The id of the team. (optional)
      * @return ApiResponse&lt;TeamGetInfoResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -412,13 +422,14 @@ public ApiResponse<TeamGetInfoResponse> teamInfoWithHttpInfo(String teamId)
     }
 
     /**
-     * List Team Invites. Provides a list of team invites (and their roles).
+     * List Team Invites Provides a list of team invites (and their roles).
      *
      * @param emailAddress The email address for which to display the team invites. (optional)
      * @return TeamInvitesResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -447,13 +458,14 @@ public ApiResponse<TeamInvitesResponse> teamInvitesWithHttpInfo() throws ApiExce
     }
 
     /**
-     * List Team Invites. Provides a list of team invites (and their roles).
+     * List Team Invites Provides a list of team invites (and their roles).
      *
      * @param emailAddress The email address for which to display the team invites. (optional)
      * @return ApiResponse&lt;TeamInvitesResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -492,7 +504,7 @@ public ApiResponse<TeamInvitesResponse> teamInvitesWithHttpInfo(String emailAddr
     }
 
     /**
-     * List Team Members. Provides a paginated list of members (and their roles) that belong to a
+     * List Team Members Provides a paginated list of members (and their roles) that belong to a
      * given team.
      *
      * @param teamId The id of the team that a member list is being requested from. (required)
@@ -503,7 +515,8 @@ public ApiResponse<TeamInvitesResponse> teamInvitesWithHttpInfo(String emailAddr
      * @return TeamMembersResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -555,7 +568,7 @@ public ApiResponse<TeamMembersResponse> teamMembersWithHttpInfo(String teamId, I
     }
 
     /**
-     * List Team Members. Provides a paginated list of members (and their roles) that belong to a
+     * List Team Members Provides a paginated list of members (and their roles) that belong to a
      * given team.
      *
      * @param teamId The id of the team that a member list is being requested from. (required)
@@ -566,7 +579,8 @@ public ApiResponse<TeamMembersResponse> teamMembersWithHttpInfo(String teamId, I
      * @return ApiResponse&lt;TeamMembersResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -623,8 +637,8 @@ public ApiResponse<TeamMembersResponse> teamMembersWithHttpInfo(
     }
 
     /**
-     * Remove User from Team. Removes the provided user Account from your Team. If the Account had
-     * an outstanding invitation to your Team, the invitation will be expired. If you choose to
+     * Remove User from Team Removes the provided user Account from your Team. If the Account had an
+     * outstanding invitation to your Team, the invitation will be expired. If you choose to
      * transfer documents from the removed Account to an Account provided in the
      * &#x60;new_owner_email_address&#x60; parameter (available only for Enterprise plans), the
      * response status code will be 201, which indicates that your request has been queued but not
@@ -634,7 +648,8 @@ public ApiResponse<TeamMembersResponse> teamMembersWithHttpInfo(
      * @return TeamGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 201 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -646,8 +661,8 @@ public TeamGetResponse teamRemoveMember(TeamRemoveMemberRequest teamRemoveMember
     }
 
     /**
-     * Remove User from Team. Removes the provided user Account from your Team. If the Account had
-     * an outstanding invitation to your Team, the invitation will be expired. If you choose to
+     * Remove User from Team Removes the provided user Account from your Team. If the Account had an
+     * outstanding invitation to your Team, the invitation will be expired. If you choose to
      * transfer documents from the removed Account to an Account provided in the
      * &#x60;new_owner_email_address&#x60; parameter (available only for Enterprise plans), the
      * response status code will be 201, which indicates that your request has been queued but not
@@ -657,7 +672,8 @@ public TeamGetResponse teamRemoveMember(TeamRemoveMemberRequest teamRemoveMember
      * @return ApiResponse&lt;TeamGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 201 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -701,7 +717,7 @@ public ApiResponse<TeamGetResponse> teamRemoveMemberWithHttpInfo(
     }
 
     /**
-     * List Sub Teams. Provides a paginated list of sub teams that belong to a given team.
+     * List Sub Teams Provides a paginated list of sub teams that belong to a given team.
      *
      * @param teamId The id of the parent Team. (required)
      * @param page Which page number of the SubTeam List to return. Defaults to &#x60;1&#x60;.
@@ -711,7 +727,8 @@ public ApiResponse<TeamGetResponse> teamRemoveMemberWithHttpInfo(
      * @return TeamSubTeamsResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -763,7 +780,7 @@ public ApiResponse<TeamSubTeamsResponse> teamSubTeamsWithHttpInfo(String teamId,
     }
 
     /**
-     * List Sub Teams. Provides a paginated list of sub teams that belong to a given team.
+     * List Sub Teams Provides a paginated list of sub teams that belong to a given team.
      *
      * @param teamId The id of the parent Team. (required)
      * @param page Which page number of the SubTeam List to return. Defaults to &#x60;1&#x60;.
@@ -773,7 +790,8 @@ public ApiResponse<TeamSubTeamsResponse> teamSubTeamsWithHttpInfo(String teamId,
      * @return ApiResponse&lt;TeamSubTeamsResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -830,13 +848,14 @@ public ApiResponse<TeamSubTeamsResponse> teamSubTeamsWithHttpInfo(
     }
 
     /**
-     * Update Team. Updates the name of your Team.
+     * Update Team Updates the name of your Team.
      *
      * @param teamUpdateRequest (required)
      * @return TeamGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -847,13 +866,14 @@ public TeamGetResponse teamUpdate(TeamUpdateRequest teamUpdateRequest) throws Ap
     }
 
     /**
-     * Update Team. Updates the name of your Team.
+     * Update Team Updates the name of your Team.
      *
      * @param teamUpdateRequest (required)
      * @return ApiResponse&lt;TeamGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/api/TemplateApi.java b/sdks/java-v1/src/main/java/com/dropbox/sign/api/TemplateApi.java
index bee010c28..14eeae070 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/api/TemplateApi.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/api/TemplateApi.java
@@ -27,7 +27,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class TemplateApi {
     private ApiClient apiClient;
 
@@ -58,7 +58,7 @@ public void setApiClient(ApiClient apiClient) {
     }
 
     /**
-     * Add User to Template. Gives the specified Account access to the specified Template. The
+     * Add User to Template Gives the specified Account access to the specified Template. The
      * specified Account must be a part of your Team.
      *
      * @param templateId The id of the Template to give the Account access to. (required)
@@ -66,7 +66,8 @@ public void setApiClient(ApiClient apiClient) {
      * @return TemplateGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -78,7 +79,7 @@ public TemplateGetResponse templateAddUser(
     }
 
     /**
-     * Add User to Template. Gives the specified Account access to the specified Template. The
+     * Add User to Template Gives the specified Account access to the specified Template. The
      * specified Account must be a part of your Team.
      *
      * @param templateId The id of the Template to give the Account access to. (required)
@@ -86,7 +87,8 @@ public TemplateGetResponse templateAddUser(
      * @return ApiResponse&lt;TemplateGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -142,13 +144,14 @@ public ApiResponse<TemplateGetResponse> templateAddUserWithHttpInfo(
     }
 
     /**
-     * Create Template. Creates a template that can then be used.
+     * Create Template Creates a template that can then be used.
      *
      * @param templateCreateRequest (required)
      * @return TemplateCreateResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -160,13 +163,14 @@ public TemplateCreateResponse templateCreate(TemplateCreateRequest templateCreat
     }
 
     /**
-     * Create Template. Creates a template that can then be used.
+     * Create Template Creates a template that can then be used.
      *
      * @param templateCreateRequest (required)
      * @return ApiResponse&lt;TemplateCreateResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -212,14 +216,15 @@ public ApiResponse<TemplateCreateResponse> templateCreateWithHttpInfo(
     }
 
     /**
-     * Create Embedded Template Draft. The first step in an embedded template workflow. Creates a
+     * Create Embedded Template Draft The first step in an embedded template workflow. Creates a
      * draft template that can then be further set up in the template &#39;edit&#39; stage.
      *
      * @param templateCreateEmbeddedDraftRequest (required)
      * @return TemplateCreateEmbeddedDraftResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -233,14 +238,15 @@ public TemplateCreateEmbeddedDraftResponse templateCreateEmbeddedDraft(
     }
 
     /**
-     * Create Embedded Template Draft. The first step in an embedded template workflow. Creates a
+     * Create Embedded Template Draft The first step in an embedded template workflow. Creates a
      * draft template that can then be further set up in the template &#39;edit&#39; stage.
      *
      * @param templateCreateEmbeddedDraftRequest (required)
      * @return ApiResponse&lt;TemplateCreateEmbeddedDraftResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -287,12 +293,13 @@ public ApiResponse<TemplateCreateEmbeddedDraftResponse> templateCreateEmbeddedDr
     }
 
     /**
-     * Delete Template. Completely deletes the template specified from the account.
+     * Delete Template Completely deletes the template specified from the account.
      *
      * @param templateId The id of the Template to delete. (required)
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -303,13 +310,14 @@ public void templateDelete(String templateId) throws ApiException {
     }
 
     /**
-     * Delete Template. Completely deletes the template specified from the account.
+     * Delete Template Completely deletes the template specified from the account.
      *
      * @param templateId The id of the Template to delete. (required)
      * @return ApiResponse&lt;Void&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -353,7 +361,7 @@ public ApiResponse<Void> templateDeleteWithHttpInfo(String templateId) throws Ap
     }
 
     /**
-     * Get Template Files. Obtain a copy of the current documents specified by the
+     * Get Template Files Obtain a copy of the current documents specified by the
      * &#x60;template_id&#x60; parameter. Returns a PDF or ZIP file. If the files are currently
      * being prepared, a status code of &#x60;409&#x60; will be returned instead. In this case
      * please wait for the &#x60;template_created&#x60; callback event.
@@ -364,7 +372,8 @@ public ApiResponse<Void> templateDeleteWithHttpInfo(String templateId) throws Ap
      * @return File
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -393,7 +402,7 @@ public ApiResponse<File> templateFilesWithHttpInfo(String templateId) throws Api
     }
 
     /**
-     * Get Template Files. Obtain a copy of the current documents specified by the
+     * Get Template Files Obtain a copy of the current documents specified by the
      * &#x60;template_id&#x60; parameter. Returns a PDF or ZIP file. If the files are currently
      * being prepared, a status code of &#x60;409&#x60; will be returned instead. In this case
      * please wait for the &#x60;template_created&#x60; callback event.
@@ -404,7 +413,8 @@ public ApiResponse<File> templateFilesWithHttpInfo(String templateId) throws Api
      * @return ApiResponse&lt;File&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -456,7 +466,7 @@ public ApiResponse<File> templateFilesWithHttpInfo(String templateId, String fil
     }
 
     /**
-     * Get Template Files as Data Uri. Obtain a copy of the current documents specified by the
+     * Get Template Files as Data Uri Obtain a copy of the current documents specified by the
      * &#x60;template_id&#x60; parameter. Returns a JSON object with a &#x60;data_uri&#x60;
      * representing the base64 encoded file (PDFs only). If the files are currently being prepared,
      * a status code of &#x60;409&#x60; will be returned instead. In this case please wait for the
@@ -466,7 +476,8 @@ public ApiResponse<File> templateFilesWithHttpInfo(String templateId, String fil
      * @return FileResponseDataUri
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -477,7 +488,7 @@ public FileResponseDataUri templateFilesAsDataUri(String templateId) throws ApiE
     }
 
     /**
-     * Get Template Files as Data Uri. Obtain a copy of the current documents specified by the
+     * Get Template Files as Data Uri Obtain a copy of the current documents specified by the
      * &#x60;template_id&#x60; parameter. Returns a JSON object with a &#x60;data_uri&#x60;
      * representing the base64 encoded file (PDFs only). If the files are currently being prepared,
      * a status code of &#x60;409&#x60; will be returned instead. In this case please wait for the
@@ -487,7 +498,8 @@ public FileResponseDataUri templateFilesAsDataUri(String templateId) throws ApiE
      * @return ApiResponse&lt;FileResponseDataUri&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -536,7 +548,7 @@ public ApiResponse<FileResponseDataUri> templateFilesAsDataUriWithHttpInfo(Strin
     }
 
     /**
-     * Get Template Files as File Url. Obtain a copy of the current documents specified by the
+     * Get Template Files as File Url Obtain a copy of the current documents specified by the
      * &#x60;template_id&#x60; parameter. Returns a JSON object with a url to the file (PDFs only).
      * If the files are currently being prepared, a status code of &#x60;409&#x60; will be returned
      * instead. In this case please wait for the &#x60;template_created&#x60; callback event.
@@ -548,7 +560,8 @@ public ApiResponse<FileResponseDataUri> templateFilesAsDataUriWithHttpInfo(Strin
      * @return FileResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -579,7 +592,7 @@ public ApiResponse<FileResponse> templateFilesAsFileUrlWithHttpInfo(String templ
     }
 
     /**
-     * Get Template Files as File Url. Obtain a copy of the current documents specified by the
+     * Get Template Files as File Url Obtain a copy of the current documents specified by the
      * &#x60;template_id&#x60; parameter. Returns a JSON object with a url to the file (PDFs only).
      * If the files are currently being prepared, a status code of &#x60;409&#x60; will be returned
      * instead. In this case please wait for the &#x60;template_created&#x60; callback event.
@@ -591,7 +604,8 @@ public ApiResponse<FileResponse> templateFilesAsFileUrlWithHttpInfo(String templ
      * @return ApiResponse&lt;FileResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -646,13 +660,14 @@ public ApiResponse<FileResponse> templateFilesAsFileUrlWithHttpInfo(
     }
 
     /**
-     * Get Template. Returns the Template specified by the &#x60;template_id&#x60; parameter.
+     * Get Template Returns the Template specified by the &#x60;template_id&#x60; parameter.
      *
      * @param templateId The id of the Template to retrieve. (required)
      * @return TemplateGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -663,13 +678,14 @@ public TemplateGetResponse templateGet(String templateId) throws ApiException {
     }
 
     /**
-     * Get Template. Returns the Template specified by the &#x60;template_id&#x60; parameter.
+     * Get Template Returns the Template specified by the &#x60;template_id&#x60; parameter.
      *
      * @param templateId The id of the Template to retrieve. (required)
      * @return ApiResponse&lt;TemplateGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -716,8 +732,8 @@ public ApiResponse<TemplateGetResponse> templateGetWithHttpInfo(String templateI
     }
 
     /**
-     * List Templates. Returns a list of the Templates that are accessible by you. Take a look at
-     * our [search guide](/api/reference/search/) to learn more about querying templates.
+     * List Templates Returns a list of the Templates that are accessible by you. Take a look at our
+     * [search guide](/api/reference/search/) to learn more about querying templates.
      *
      * @param accountId Which account to return Templates for. Must be a team member. Use
      *     &#x60;all&#x60; to indicate all team members. Defaults to your account. (optional)
@@ -730,7 +746,8 @@ public ApiResponse<TemplateGetResponse> templateGetWithHttpInfo(String templateI
      * @return TemplateListResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -830,8 +847,8 @@ public ApiResponse<TemplateListResponse> templateListWithHttpInfo(
     }
 
     /**
-     * List Templates. Returns a list of the Templates that are accessible by you. Take a look at
-     * our [search guide](/api/reference/search/) to learn more about querying templates.
+     * List Templates Returns a list of the Templates that are accessible by you. Take a look at our
+     * [search guide](/api/reference/search/) to learn more about querying templates.
      *
      * @param accountId Which account to return Templates for. Must be a team member. Use
      *     &#x60;all&#x60; to indicate all team members. Defaults to your account. (optional)
@@ -844,7 +861,8 @@ public ApiResponse<TemplateListResponse> templateListWithHttpInfo(
      * @return ApiResponse&lt;TemplateListResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -892,7 +910,7 @@ public ApiResponse<TemplateListResponse> templateListWithHttpInfo(
     }
 
     /**
-     * Remove User from Template. Removes the specified Account&#39;s access to the specified
+     * Remove User from Template Removes the specified Account&#39;s access to the specified
      * Template.
      *
      * @param templateId The id of the Template to remove the Account&#39;s access to. (required)
@@ -900,7 +918,8 @@ public ApiResponse<TemplateListResponse> templateListWithHttpInfo(
      * @return TemplateGetResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -913,7 +932,7 @@ public TemplateGetResponse templateRemoveUser(
     }
 
     /**
-     * Remove User from Template. Removes the specified Account&#39;s access to the specified
+     * Remove User from Template Removes the specified Account&#39;s access to the specified
      * Template.
      *
      * @param templateId The id of the Template to remove the Account&#39;s access to. (required)
@@ -921,7 +940,8 @@ public TemplateGetResponse templateRemoveUser(
      * @return ApiResponse&lt;TemplateGetResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -978,7 +998,7 @@ public ApiResponse<TemplateGetResponse> templateRemoveUserWithHttpInfo(
     }
 
     /**
-     * Update Template Files. Overlays a new file with the overlay of an existing template. The new
+     * Update Template Files Overlays a new file with the overlay of an existing template. The new
      * file(s) must: 1. have the same or higher page count 2. the same orientation as the file(s)
      * being replaced. This will not overwrite or in any way affect the existing template. Both the
      * existing template and new template will be available for use after executing this endpoint.
@@ -998,7 +1018,8 @@ public ApiResponse<TemplateGetResponse> templateRemoveUserWithHttpInfo(
      * @return TemplateUpdateFilesResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -1011,7 +1032,7 @@ public TemplateUpdateFilesResponse templateUpdateFiles(
     }
 
     /**
-     * Update Template Files. Overlays a new file with the overlay of an existing template. The new
+     * Update Template Files Overlays a new file with the overlay of an existing template. The new
      * file(s) must: 1. have the same or higher page count 2. the same orientation as the file(s)
      * being replaced. This will not overwrite or in any way affect the existing template. Both the
      * existing template and new template will be available for use after executing this endpoint.
@@ -1031,7 +1052,8 @@ public TemplateUpdateFilesResponse templateUpdateFiles(
      * @return ApiResponse&lt;TemplateUpdateFilesResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/api/UnclaimedDraftApi.java b/sdks/java-v1/src/main/java/com/dropbox/sign/api/UnclaimedDraftApi.java
index 6219c4a13..61289c29f 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/api/UnclaimedDraftApi.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/api/UnclaimedDraftApi.java
@@ -16,7 +16,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class UnclaimedDraftApi {
     private ApiClient apiClient;
 
@@ -47,8 +47,8 @@ public void setApiClient(ApiClient apiClient) {
     }
 
     /**
-     * Create Unclaimed Draft. Creates a new Draft that can be claimed using the claim URL. The
-     * first authenticated user to access the URL will claim the Draft and will be shown either the
+     * Create Unclaimed Draft Creates a new Draft that can be claimed using the claim URL. The first
+     * authenticated user to access the URL will claim the Draft and will be shown either the
      * \&quot;Sign and send\&quot; or the \&quot;Request signature\&quot; page with the Draft
      * loaded. Subsequent access to the claim URL will result in a 404.
      *
@@ -56,7 +56,8 @@ public void setApiClient(ApiClient apiClient) {
      * @return UnclaimedDraftCreateResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -68,8 +69,8 @@ public UnclaimedDraftCreateResponse unclaimedDraftCreate(
     }
 
     /**
-     * Create Unclaimed Draft. Creates a new Draft that can be claimed using the claim URL. The
-     * first authenticated user to access the URL will claim the Draft and will be shown either the
+     * Create Unclaimed Draft Creates a new Draft that can be claimed using the claim URL. The first
+     * authenticated user to access the URL will claim the Draft and will be shown either the
      * \&quot;Sign and send\&quot; or the \&quot;Request signature\&quot; page with the Draft
      * loaded. Subsequent access to the claim URL will result in a 404.
      *
@@ -77,7 +78,8 @@ public UnclaimedDraftCreateResponse unclaimedDraftCreate(
      * @return ApiResponse&lt;UnclaimedDraftCreateResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -123,7 +125,7 @@ public ApiResponse<UnclaimedDraftCreateResponse> unclaimedDraftCreateWithHttpInf
     }
 
     /**
-     * Create Embedded Unclaimed Draft. Creates a new Draft that can be claimed and used in an
+     * Create Embedded Unclaimed Draft Creates a new Draft that can be claimed and used in an
      * embedded iFrame. The first authenticated user to access the URL will claim the Draft and will
      * be shown the \&quot;Request signature\&quot; page with the Draft loaded. Subsequent access to
      * the claim URL will result in a &#x60;404&#x60;. For this embedded endpoint the
@@ -135,7 +137,8 @@ public ApiResponse<UnclaimedDraftCreateResponse> unclaimedDraftCreateWithHttpInf
      * @return UnclaimedDraftCreateResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -149,7 +152,7 @@ public UnclaimedDraftCreateResponse unclaimedDraftCreateEmbedded(
     }
 
     /**
-     * Create Embedded Unclaimed Draft. Creates a new Draft that can be claimed and used in an
+     * Create Embedded Unclaimed Draft Creates a new Draft that can be claimed and used in an
      * embedded iFrame. The first authenticated user to access the URL will claim the Draft and will
      * be shown the \&quot;Request signature\&quot; page with the Draft loaded. Subsequent access to
      * the claim URL will result in a &#x60;404&#x60;. For this embedded endpoint the
@@ -161,7 +164,8 @@ public UnclaimedDraftCreateResponse unclaimedDraftCreateEmbedded(
      * @return ApiResponse&lt;UnclaimedDraftCreateResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -208,7 +212,7 @@ public ApiResponse<UnclaimedDraftCreateResponse> unclaimedDraftCreateEmbeddedWit
     }
 
     /**
-     * Create Embedded Unclaimed Draft with Template. Creates a new Draft with a previously saved
+     * Create Embedded Unclaimed Draft with Template Creates a new Draft with a previously saved
      * template(s) that can be claimed and used in an embedded iFrame. The first authenticated user
      * to access the URL will claim the Draft and will be shown the \&quot;Request signature\&quot;
      * page with the Draft loaded. Subsequent access to the claim URL will result in a
@@ -220,7 +224,8 @@ public ApiResponse<UnclaimedDraftCreateResponse> unclaimedDraftCreateEmbeddedWit
      * @return UnclaimedDraftCreateResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -236,7 +241,7 @@ public UnclaimedDraftCreateResponse unclaimedDraftCreateEmbeddedWithTemplate(
     }
 
     /**
-     * Create Embedded Unclaimed Draft with Template. Creates a new Draft with a previously saved
+     * Create Embedded Unclaimed Draft with Template Creates a new Draft with a previously saved
      * template(s) that can be claimed and used in an embedded iFrame. The first authenticated user
      * to access the URL will claim the Draft and will be shown the \&quot;Request signature\&quot;
      * page with the Draft loaded. Subsequent access to the claim URL will result in a
@@ -248,7 +253,8 @@ public UnclaimedDraftCreateResponse unclaimedDraftCreateEmbeddedWithTemplate(
      * @return ApiResponse&lt;UnclaimedDraftCreateResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -298,9 +304,9 @@ public UnclaimedDraftCreateResponse unclaimedDraftCreateEmbeddedWithTemplate(
     }
 
     /**
-     * Edit and Resend Unclaimed Draft. Creates a new signature request from an embedded request
-     * that can be edited prior to being sent to the recipients. Parameter &#x60;test_mode&#x60; can
-     * be edited prior to request. Signers can be edited in embedded editor. Requester&#39;s email
+     * Edit and Resend Unclaimed Draft Creates a new signature request from an embedded request that
+     * can be edited prior to being sent to the recipients. Parameter &#x60;test_mode&#x60; can be
+     * edited prior to request. Signers can be edited in embedded editor. Requester&#39;s email
      * address will remain unchanged if &#x60;requester_email_address&#x60; parameter is not set.
      * **NOTE:** Embedded unclaimed drafts can only be accessed in embedded iFrames whereas normal
      * drafts can be used and accessed on Dropbox Sign.
@@ -310,7 +316,8 @@ public UnclaimedDraftCreateResponse unclaimedDraftCreateEmbeddedWithTemplate(
      * @return UnclaimedDraftCreateResponse
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
@@ -326,9 +333,9 @@ public UnclaimedDraftCreateResponse unclaimedDraftEditAndResend(
     }
 
     /**
-     * Edit and Resend Unclaimed Draft. Creates a new signature request from an embedded request
-     * that can be edited prior to being sent to the recipients. Parameter &#x60;test_mode&#x60; can
-     * be edited prior to request. Signers can be edited in embedded editor. Requester&#39;s email
+     * Edit and Resend Unclaimed Draft Creates a new signature request from an embedded request that
+     * can be edited prior to being sent to the recipients. Parameter &#x60;test_mode&#x60; can be
+     * edited prior to request. Signers can be edited in embedded editor. Requester&#39;s email
      * address will remain unchanged if &#x60;requester_email_address&#x60; parameter is not set.
      * **NOTE:** Embedded unclaimed drafts can only be accessed in embedded iFrames whereas normal
      * drafts can be used and accessed on Dropbox Sign.
@@ -338,7 +345,8 @@ public UnclaimedDraftCreateResponse unclaimedDraftEditAndResend(
      * @return ApiResponse&lt;UnclaimedDraftCreateResponse&gt;
      * @throws ApiException if fails to make API call
      * @http.response.details
-     *     <table summary="Response Details" border="1">
+     *     <table border="1">
+     * <caption>Response Details</caption>
      * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
      * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
      * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/auth/ApiKeyAuth.java b/sdks/java-v1/src/main/java/com/dropbox/sign/auth/ApiKeyAuth.java
index b066e1383..9f8742a3d 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/auth/ApiKeyAuth.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/auth/ApiKeyAuth.java
@@ -20,7 +20,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class ApiKeyAuth implements Authentication {
     private final String location;
     private final String paramName;
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/auth/HttpBasicAuth.java b/sdks/java-v1/src/main/java/com/dropbox/sign/auth/HttpBasicAuth.java
index d8c229c88..9fd1f753b 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/auth/HttpBasicAuth.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/auth/HttpBasicAuth.java
@@ -22,7 +22,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class HttpBasicAuth implements Authentication {
     private String username;
     private String password;
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/auth/HttpBearerAuth.java b/sdks/java-v1/src/main/java/com/dropbox/sign/auth/HttpBearerAuth.java
index 22500f2d5..a77c13eda 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/auth/HttpBearerAuth.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/auth/HttpBearerAuth.java
@@ -20,7 +20,7 @@
 
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public class HttpBearerAuth implements Authentication {
     private final String scheme;
     private String bearerToken;
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AbstractOpenApiSchema.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AbstractOpenApiSchema.java
index 0081f2ada..4e340e3f1 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AbstractOpenApiSchema.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AbstractOpenApiSchema.java
@@ -20,7 +20,7 @@
 /** Abstract class for oneOf,anyOf schemas defined in OpenAPI spec */
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 public abstract class AbstractOpenApiSchema {
 
     // store the actual instance of the schema/object
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountCreateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountCreateRequest.java
index fc3c3081d..9d881c79f 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountCreateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountCreateRequest.java
@@ -32,20 +32,20 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class AccountCreateRequest {
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nonnull private String emailAddress;
 
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nullable private String clientId;
 
     public static final String JSON_PROPERTY_CLIENT_SECRET = "client_secret";
-    private String clientSecret;
+    @javax.annotation.Nullable private String clientSecret;
 
     public static final String JSON_PROPERTY_LOCALE = "locale";
-    private String locale;
+    @javax.annotation.Nullable private String locale;
 
     public AccountCreateRequest() {}
 
@@ -63,7 +63,7 @@ public static AccountCreateRequest init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), AccountCreateRequest.class);
     }
 
-    public AccountCreateRequest emailAddress(String emailAddress) {
+    public AccountCreateRequest emailAddress(@javax.annotation.Nonnull String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -82,11 +82,11 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nonnull String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
-    public AccountCreateRequest clientId(String clientId) {
+    public AccountCreateRequest clientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -105,11 +105,11 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
     }
 
-    public AccountCreateRequest clientSecret(String clientSecret) {
+    public AccountCreateRequest clientSecret(@javax.annotation.Nullable String clientSecret) {
         this.clientSecret = clientSecret;
         return this;
     }
@@ -128,11 +128,11 @@ public String getClientSecret() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_SECRET)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setClientSecret(String clientSecret) {
+    public void setClientSecret(@javax.annotation.Nullable String clientSecret) {
         this.clientSecret = clientSecret;
     }
 
-    public AccountCreateRequest locale(String locale) {
+    public AccountCreateRequest locale(@javax.annotation.Nullable String locale) {
         this.locale = locale;
         return this;
     }
@@ -152,7 +152,7 @@ public String getLocale() {
 
     @JsonProperty(JSON_PROPERTY_LOCALE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setLocale(String locale) {
+    public void setLocale(@javax.annotation.Nullable String locale) {
         this.locale = locale;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountCreateResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountCreateResponse.java
index be4f9500b..328622b72 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountCreateResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountCreateResponse.java
@@ -33,17 +33,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class AccountCreateResponse {
     public static final String JSON_PROPERTY_ACCOUNT = "account";
-    private AccountResponse account;
+    @javax.annotation.Nonnull private AccountResponse account;
 
     public static final String JSON_PROPERTY_OAUTH_DATA = "oauth_data";
-    private OAuthTokenResponse oauthData;
+    @javax.annotation.Nullable private OAuthTokenResponse oauthData;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public AccountCreateResponse() {}
 
@@ -62,7 +62,7 @@ public static AccountCreateResponse init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), AccountCreateResponse.class);
     }
 
-    public AccountCreateResponse account(AccountResponse account) {
+    public AccountCreateResponse account(@javax.annotation.Nonnull AccountResponse account) {
         this.account = account;
         return this;
     }
@@ -81,11 +81,12 @@ public AccountResponse getAccount() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNT)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setAccount(AccountResponse account) {
+    public void setAccount(@javax.annotation.Nonnull AccountResponse account) {
         this.account = account;
     }
 
-    public AccountCreateResponse oauthData(OAuthTokenResponse oauthData) {
+    public AccountCreateResponse oauthData(
+            @javax.annotation.Nullable OAuthTokenResponse oauthData) {
         this.oauthData = oauthData;
         return this;
     }
@@ -103,11 +104,12 @@ public OAuthTokenResponse getOauthData() {
 
     @JsonProperty(JSON_PROPERTY_OAUTH_DATA)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOauthData(OAuthTokenResponse oauthData) {
+    public void setOauthData(@javax.annotation.Nullable OAuthTokenResponse oauthData) {
         this.oauthData = oauthData;
     }
 
-    public AccountCreateResponse warnings(List<WarningResponse> warnings) {
+    public AccountCreateResponse warnings(
+            @javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -133,7 +135,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountGetResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountGetResponse.java
index 36473bf74..c63b7c4b9 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountGetResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountGetResponse.java
@@ -32,14 +32,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class AccountGetResponse {
     public static final String JSON_PROPERTY_ACCOUNT = "account";
-    private AccountResponse account;
+    @javax.annotation.Nonnull private AccountResponse account;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public AccountGetResponse() {}
 
@@ -57,7 +57,7 @@ public static AccountGetResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), AccountGetResponse.class);
     }
 
-    public AccountGetResponse account(AccountResponse account) {
+    public AccountGetResponse account(@javax.annotation.Nonnull AccountResponse account) {
         this.account = account;
         return this;
     }
@@ -76,11 +76,11 @@ public AccountResponse getAccount() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNT)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setAccount(AccountResponse account) {
+    public void setAccount(@javax.annotation.Nonnull AccountResponse account) {
         this.account = account;
     }
 
-    public AccountGetResponse warnings(List<WarningResponse> warnings) {
+    public AccountGetResponse warnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -106,7 +106,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountResponse.java
index 541c7f61d..02ee9cf83 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountResponse.java
@@ -39,41 +39,41 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class AccountResponse {
     public static final String JSON_PROPERTY_ACCOUNT_ID = "account_id";
-    private String accountId;
+    @javax.annotation.Nullable private String accountId;
 
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nullable private String emailAddress;
 
     public static final String JSON_PROPERTY_IS_LOCKED = "is_locked";
-    private Boolean isLocked;
+    @javax.annotation.Nullable private Boolean isLocked;
 
     public static final String JSON_PROPERTY_IS_PAID_HS = "is_paid_hs";
-    private Boolean isPaidHs;
+    @javax.annotation.Nullable private Boolean isPaidHs;
 
     public static final String JSON_PROPERTY_IS_PAID_HF = "is_paid_hf";
-    private Boolean isPaidHf;
+    @javax.annotation.Nullable private Boolean isPaidHf;
 
     public static final String JSON_PROPERTY_QUOTAS = "quotas";
-    private AccountResponseQuotas quotas;
+    @javax.annotation.Nullable private AccountResponseQuotas quotas;
 
     public static final String JSON_PROPERTY_CALLBACK_URL = "callback_url";
-    private String callbackUrl;
+    @javax.annotation.Nullable private String callbackUrl;
 
     public static final String JSON_PROPERTY_ROLE_CODE = "role_code";
-    private String roleCode;
+    @javax.annotation.Nullable private String roleCode;
 
     public static final String JSON_PROPERTY_TEAM_ID = "team_id";
-    private String teamId;
+    @javax.annotation.Nullable private String teamId;
 
     public static final String JSON_PROPERTY_LOCALE = "locale";
-    private String locale;
+    @javax.annotation.Nullable private String locale;
 
     public static final String JSON_PROPERTY_USAGE = "usage";
-    private AccountResponseUsage usage;
+    @javax.annotation.Nullable private AccountResponseUsage usage;
 
     public AccountResponse() {}
 
@@ -91,7 +91,7 @@ public static AccountResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), AccountResponse.class);
     }
 
-    public AccountResponse accountId(String accountId) {
+    public AccountResponse accountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
         return this;
     }
@@ -109,11 +109,11 @@ public String getAccountId() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccountId(String accountId) {
+    public void setAccountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
     }
 
-    public AccountResponse emailAddress(String emailAddress) {
+    public AccountResponse emailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -131,11 +131,11 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
-    public AccountResponse isLocked(Boolean isLocked) {
+    public AccountResponse isLocked(@javax.annotation.Nullable Boolean isLocked) {
         this.isLocked = isLocked;
         return this;
     }
@@ -153,11 +153,11 @@ public Boolean getIsLocked() {
 
     @JsonProperty(JSON_PROPERTY_IS_LOCKED)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsLocked(Boolean isLocked) {
+    public void setIsLocked(@javax.annotation.Nullable Boolean isLocked) {
         this.isLocked = isLocked;
     }
 
-    public AccountResponse isPaidHs(Boolean isPaidHs) {
+    public AccountResponse isPaidHs(@javax.annotation.Nullable Boolean isPaidHs) {
         this.isPaidHs = isPaidHs;
         return this;
     }
@@ -175,11 +175,11 @@ public Boolean getIsPaidHs() {
 
     @JsonProperty(JSON_PROPERTY_IS_PAID_HS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsPaidHs(Boolean isPaidHs) {
+    public void setIsPaidHs(@javax.annotation.Nullable Boolean isPaidHs) {
         this.isPaidHs = isPaidHs;
     }
 
-    public AccountResponse isPaidHf(Boolean isPaidHf) {
+    public AccountResponse isPaidHf(@javax.annotation.Nullable Boolean isPaidHf) {
         this.isPaidHf = isPaidHf;
         return this;
     }
@@ -197,11 +197,11 @@ public Boolean getIsPaidHf() {
 
     @JsonProperty(JSON_PROPERTY_IS_PAID_HF)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsPaidHf(Boolean isPaidHf) {
+    public void setIsPaidHf(@javax.annotation.Nullable Boolean isPaidHf) {
         this.isPaidHf = isPaidHf;
     }
 
-    public AccountResponse quotas(AccountResponseQuotas quotas) {
+    public AccountResponse quotas(@javax.annotation.Nullable AccountResponseQuotas quotas) {
         this.quotas = quotas;
         return this;
     }
@@ -219,11 +219,11 @@ public AccountResponseQuotas getQuotas() {
 
     @JsonProperty(JSON_PROPERTY_QUOTAS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setQuotas(AccountResponseQuotas quotas) {
+    public void setQuotas(@javax.annotation.Nullable AccountResponseQuotas quotas) {
         this.quotas = quotas;
     }
 
-    public AccountResponse callbackUrl(String callbackUrl) {
+    public AccountResponse callbackUrl(@javax.annotation.Nullable String callbackUrl) {
         this.callbackUrl = callbackUrl;
         return this;
     }
@@ -241,11 +241,11 @@ public String getCallbackUrl() {
 
     @JsonProperty(JSON_PROPERTY_CALLBACK_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCallbackUrl(String callbackUrl) {
+    public void setCallbackUrl(@javax.annotation.Nullable String callbackUrl) {
         this.callbackUrl = callbackUrl;
     }
 
-    public AccountResponse roleCode(String roleCode) {
+    public AccountResponse roleCode(@javax.annotation.Nullable String roleCode) {
         this.roleCode = roleCode;
         return this;
     }
@@ -263,11 +263,11 @@ public String getRoleCode() {
 
     @JsonProperty(JSON_PROPERTY_ROLE_CODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRoleCode(String roleCode) {
+    public void setRoleCode(@javax.annotation.Nullable String roleCode) {
         this.roleCode = roleCode;
     }
 
-    public AccountResponse teamId(String teamId) {
+    public AccountResponse teamId(@javax.annotation.Nullable String teamId) {
         this.teamId = teamId;
         return this;
     }
@@ -285,11 +285,11 @@ public String getTeamId() {
 
     @JsonProperty(JSON_PROPERTY_TEAM_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTeamId(String teamId) {
+    public void setTeamId(@javax.annotation.Nullable String teamId) {
         this.teamId = teamId;
     }
 
-    public AccountResponse locale(String locale) {
+    public AccountResponse locale(@javax.annotation.Nullable String locale) {
         this.locale = locale;
         return this;
     }
@@ -309,11 +309,11 @@ public String getLocale() {
 
     @JsonProperty(JSON_PROPERTY_LOCALE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setLocale(String locale) {
+    public void setLocale(@javax.annotation.Nullable String locale) {
         this.locale = locale;
     }
 
-    public AccountResponse usage(AccountResponseUsage usage) {
+    public AccountResponse usage(@javax.annotation.Nullable AccountResponseUsage usage) {
         this.usage = usage;
         return this;
     }
@@ -331,7 +331,7 @@ public AccountResponseUsage getUsage() {
 
     @JsonProperty(JSON_PROPERTY_USAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setUsage(AccountResponseUsage usage) {
+    public void setUsage(@javax.annotation.Nullable AccountResponseUsage usage) {
         this.usage = usage;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountResponseQuotas.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountResponseQuotas.java
index 584917ff9..9385b863c 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountResponseQuotas.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountResponseQuotas.java
@@ -34,27 +34,27 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class AccountResponseQuotas {
     public static final String JSON_PROPERTY_API_SIGNATURE_REQUESTS_LEFT =
             "api_signature_requests_left";
-    private Integer apiSignatureRequestsLeft;
+    @javax.annotation.Nullable private Integer apiSignatureRequestsLeft;
 
     public static final String JSON_PROPERTY_DOCUMENTS_LEFT = "documents_left";
-    private Integer documentsLeft;
+    @javax.annotation.Nullable private Integer documentsLeft;
 
     public static final String JSON_PROPERTY_TEMPLATES_TOTAL = "templates_total";
-    private Integer templatesTotal;
+    @javax.annotation.Nullable private Integer templatesTotal;
 
     public static final String JSON_PROPERTY_TEMPLATES_LEFT = "templates_left";
-    private Integer templatesLeft;
+    @javax.annotation.Nullable private Integer templatesLeft;
 
     public static final String JSON_PROPERTY_SMS_VERIFICATIONS_LEFT = "sms_verifications_left";
-    private Integer smsVerificationsLeft;
+    @javax.annotation.Nullable private Integer smsVerificationsLeft;
 
     public static final String JSON_PROPERTY_NUM_FAX_PAGES_LEFT = "num_fax_pages_left";
-    private Integer numFaxPagesLeft;
+    @javax.annotation.Nullable private Integer numFaxPagesLeft;
 
     public AccountResponseQuotas() {}
 
@@ -73,7 +73,8 @@ public static AccountResponseQuotas init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), AccountResponseQuotas.class);
     }
 
-    public AccountResponseQuotas apiSignatureRequestsLeft(Integer apiSignatureRequestsLeft) {
+    public AccountResponseQuotas apiSignatureRequestsLeft(
+            @javax.annotation.Nullable Integer apiSignatureRequestsLeft) {
         this.apiSignatureRequestsLeft = apiSignatureRequestsLeft;
         return this;
     }
@@ -91,11 +92,12 @@ public Integer getApiSignatureRequestsLeft() {
 
     @JsonProperty(JSON_PROPERTY_API_SIGNATURE_REQUESTS_LEFT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setApiSignatureRequestsLeft(Integer apiSignatureRequestsLeft) {
+    public void setApiSignatureRequestsLeft(
+            @javax.annotation.Nullable Integer apiSignatureRequestsLeft) {
         this.apiSignatureRequestsLeft = apiSignatureRequestsLeft;
     }
 
-    public AccountResponseQuotas documentsLeft(Integer documentsLeft) {
+    public AccountResponseQuotas documentsLeft(@javax.annotation.Nullable Integer documentsLeft) {
         this.documentsLeft = documentsLeft;
         return this;
     }
@@ -113,11 +115,11 @@ public Integer getDocumentsLeft() {
 
     @JsonProperty(JSON_PROPERTY_DOCUMENTS_LEFT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setDocumentsLeft(Integer documentsLeft) {
+    public void setDocumentsLeft(@javax.annotation.Nullable Integer documentsLeft) {
         this.documentsLeft = documentsLeft;
     }
 
-    public AccountResponseQuotas templatesTotal(Integer templatesTotal) {
+    public AccountResponseQuotas templatesTotal(@javax.annotation.Nullable Integer templatesTotal) {
         this.templatesTotal = templatesTotal;
         return this;
     }
@@ -135,11 +137,11 @@ public Integer getTemplatesTotal() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATES_TOTAL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTemplatesTotal(Integer templatesTotal) {
+    public void setTemplatesTotal(@javax.annotation.Nullable Integer templatesTotal) {
         this.templatesTotal = templatesTotal;
     }
 
-    public AccountResponseQuotas templatesLeft(Integer templatesLeft) {
+    public AccountResponseQuotas templatesLeft(@javax.annotation.Nullable Integer templatesLeft) {
         this.templatesLeft = templatesLeft;
         return this;
     }
@@ -157,11 +159,12 @@ public Integer getTemplatesLeft() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATES_LEFT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTemplatesLeft(Integer templatesLeft) {
+    public void setTemplatesLeft(@javax.annotation.Nullable Integer templatesLeft) {
         this.templatesLeft = templatesLeft;
     }
 
-    public AccountResponseQuotas smsVerificationsLeft(Integer smsVerificationsLeft) {
+    public AccountResponseQuotas smsVerificationsLeft(
+            @javax.annotation.Nullable Integer smsVerificationsLeft) {
         this.smsVerificationsLeft = smsVerificationsLeft;
         return this;
     }
@@ -179,11 +182,12 @@ public Integer getSmsVerificationsLeft() {
 
     @JsonProperty(JSON_PROPERTY_SMS_VERIFICATIONS_LEFT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSmsVerificationsLeft(Integer smsVerificationsLeft) {
+    public void setSmsVerificationsLeft(@javax.annotation.Nullable Integer smsVerificationsLeft) {
         this.smsVerificationsLeft = smsVerificationsLeft;
     }
 
-    public AccountResponseQuotas numFaxPagesLeft(Integer numFaxPagesLeft) {
+    public AccountResponseQuotas numFaxPagesLeft(
+            @javax.annotation.Nullable Integer numFaxPagesLeft) {
         this.numFaxPagesLeft = numFaxPagesLeft;
         return this;
     }
@@ -201,7 +205,7 @@ public Integer getNumFaxPagesLeft() {
 
     @JsonProperty(JSON_PROPERTY_NUM_FAX_PAGES_LEFT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setNumFaxPagesLeft(Integer numFaxPagesLeft) {
+    public void setNumFaxPagesLeft(@javax.annotation.Nullable Integer numFaxPagesLeft) {
         this.numFaxPagesLeft = numFaxPagesLeft;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountResponseUsage.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountResponseUsage.java
index daac05931..7906498fe 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountResponseUsage.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountResponseUsage.java
@@ -27,11 +27,11 @@
 @JsonPropertyOrder({AccountResponseUsage.JSON_PROPERTY_FAX_PAGES_SENT})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class AccountResponseUsage {
     public static final String JSON_PROPERTY_FAX_PAGES_SENT = "fax_pages_sent";
-    private Integer faxPagesSent;
+    @javax.annotation.Nullable private Integer faxPagesSent;
 
     public AccountResponseUsage() {}
 
@@ -49,7 +49,7 @@ public static AccountResponseUsage init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), AccountResponseUsage.class);
     }
 
-    public AccountResponseUsage faxPagesSent(Integer faxPagesSent) {
+    public AccountResponseUsage faxPagesSent(@javax.annotation.Nullable Integer faxPagesSent) {
         this.faxPagesSent = faxPagesSent;
         return this;
     }
@@ -67,7 +67,7 @@ public Integer getFaxPagesSent() {
 
     @JsonProperty(JSON_PROPERTY_FAX_PAGES_SENT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFaxPagesSent(Integer faxPagesSent) {
+    public void setFaxPagesSent(@javax.annotation.Nullable Integer faxPagesSent) {
         this.faxPagesSent = faxPagesSent;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountUpdateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountUpdateRequest.java
index 24bc0a80d..547051d2a 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountUpdateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountUpdateRequest.java
@@ -31,17 +31,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class AccountUpdateRequest {
     public static final String JSON_PROPERTY_ACCOUNT_ID = "account_id";
-    private String accountId;
+    @javax.annotation.Nullable private String accountId;
 
     public static final String JSON_PROPERTY_CALLBACK_URL = "callback_url";
-    private String callbackUrl;
+    @javax.annotation.Nullable private String callbackUrl;
 
     public static final String JSON_PROPERTY_LOCALE = "locale";
-    private String locale;
+    @javax.annotation.Nullable private String locale;
 
     public AccountUpdateRequest() {}
 
@@ -59,7 +59,7 @@ public static AccountUpdateRequest init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), AccountUpdateRequest.class);
     }
 
-    public AccountUpdateRequest accountId(String accountId) {
+    public AccountUpdateRequest accountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
         return this;
     }
@@ -77,11 +77,11 @@ public String getAccountId() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccountId(String accountId) {
+    public void setAccountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
     }
 
-    public AccountUpdateRequest callbackUrl(String callbackUrl) {
+    public AccountUpdateRequest callbackUrl(@javax.annotation.Nullable String callbackUrl) {
         this.callbackUrl = callbackUrl;
         return this;
     }
@@ -99,11 +99,11 @@ public String getCallbackUrl() {
 
     @JsonProperty(JSON_PROPERTY_CALLBACK_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCallbackUrl(String callbackUrl) {
+    public void setCallbackUrl(@javax.annotation.Nullable String callbackUrl) {
         this.callbackUrl = callbackUrl;
     }
 
-    public AccountUpdateRequest locale(String locale) {
+    public AccountUpdateRequest locale(@javax.annotation.Nullable String locale) {
         this.locale = locale;
         return this;
     }
@@ -123,7 +123,7 @@ public String getLocale() {
 
     @JsonProperty(JSON_PROPERTY_LOCALE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setLocale(String locale) {
+    public void setLocale(@javax.annotation.Nullable String locale) {
         this.locale = locale;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountVerifyRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountVerifyRequest.java
index ffe2f15e4..d484b5052 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountVerifyRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountVerifyRequest.java
@@ -27,11 +27,11 @@
 @JsonPropertyOrder({AccountVerifyRequest.JSON_PROPERTY_EMAIL_ADDRESS})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class AccountVerifyRequest {
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nonnull private String emailAddress;
 
     public AccountVerifyRequest() {}
 
@@ -49,7 +49,7 @@ public static AccountVerifyRequest init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), AccountVerifyRequest.class);
     }
 
-    public AccountVerifyRequest emailAddress(String emailAddress) {
+    public AccountVerifyRequest emailAddress(@javax.annotation.Nonnull String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -68,7 +68,7 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nonnull String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountVerifyResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountVerifyResponse.java
index bce3d5a4a..d5b7c64bb 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountVerifyResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountVerifyResponse.java
@@ -32,14 +32,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class AccountVerifyResponse {
     public static final String JSON_PROPERTY_ACCOUNT = "account";
-    private AccountVerifyResponseAccount account;
+    @javax.annotation.Nullable private AccountVerifyResponseAccount account;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public AccountVerifyResponse() {}
 
@@ -58,7 +58,8 @@ public static AccountVerifyResponse init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), AccountVerifyResponse.class);
     }
 
-    public AccountVerifyResponse account(AccountVerifyResponseAccount account) {
+    public AccountVerifyResponse account(
+            @javax.annotation.Nullable AccountVerifyResponseAccount account) {
         this.account = account;
         return this;
     }
@@ -76,11 +77,12 @@ public AccountVerifyResponseAccount getAccount() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccount(AccountVerifyResponseAccount account) {
+    public void setAccount(@javax.annotation.Nullable AccountVerifyResponseAccount account) {
         this.account = account;
     }
 
-    public AccountVerifyResponse warnings(List<WarningResponse> warnings) {
+    public AccountVerifyResponse warnings(
+            @javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -106,7 +108,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountVerifyResponseAccount.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountVerifyResponseAccount.java
index 3a2a2f72f..e8002ca39 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountVerifyResponseAccount.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/AccountVerifyResponseAccount.java
@@ -27,11 +27,11 @@
 @JsonPropertyOrder({AccountVerifyResponseAccount.JSON_PROPERTY_EMAIL_ADDRESS})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class AccountVerifyResponseAccount {
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nullable private String emailAddress;
 
     public AccountVerifyResponseAccount() {}
 
@@ -51,7 +51,8 @@ public static AccountVerifyResponseAccount init(HashMap data) throws Exception {
                         AccountVerifyResponseAccount.class);
     }
 
-    public AccountVerifyResponseAccount emailAddress(String emailAddress) {
+    public AccountVerifyResponseAccount emailAddress(
+            @javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -69,7 +70,7 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppCreateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppCreateRequest.java
index ff8e8a71d..40e1c9482 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppCreateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppCreateRequest.java
@@ -38,29 +38,29 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class ApiAppCreateRequest {
     public static final String JSON_PROPERTY_DOMAINS = "domains";
-    private List<String> domains = new ArrayList<>();
+    @javax.annotation.Nonnull private List<String> domains = new ArrayList<>();
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nonnull private String name;
 
     public static final String JSON_PROPERTY_CALLBACK_URL = "callback_url";
-    private String callbackUrl;
+    @javax.annotation.Nullable private String callbackUrl;
 
     public static final String JSON_PROPERTY_CUSTOM_LOGO_FILE = "custom_logo_file";
-    private File customLogoFile;
+    @javax.annotation.Nullable private File customLogoFile;
 
     public static final String JSON_PROPERTY_OAUTH = "oauth";
-    private SubOAuth oauth;
+    @javax.annotation.Nullable private SubOAuth oauth;
 
     public static final String JSON_PROPERTY_OPTIONS = "options";
-    private SubOptions options;
+    @javax.annotation.Nullable private SubOptions options;
 
     public static final String JSON_PROPERTY_WHITE_LABELING_OPTIONS = "white_labeling_options";
-    private SubWhiteLabelingOptions whiteLabelingOptions;
+    @javax.annotation.Nullable private SubWhiteLabelingOptions whiteLabelingOptions;
 
     public ApiAppCreateRequest() {}
 
@@ -78,7 +78,7 @@ public static ApiAppCreateRequest init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), ApiAppCreateRequest.class);
     }
 
-    public ApiAppCreateRequest domains(List<String> domains) {
+    public ApiAppCreateRequest domains(@javax.annotation.Nonnull List<String> domains) {
         this.domains = domains;
         return this;
     }
@@ -105,11 +105,11 @@ public List<String> getDomains() {
 
     @JsonProperty(JSON_PROPERTY_DOMAINS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setDomains(List<String> domains) {
+    public void setDomains(@javax.annotation.Nonnull List<String> domains) {
         this.domains = domains;
     }
 
-    public ApiAppCreateRequest name(String name) {
+    public ApiAppCreateRequest name(@javax.annotation.Nonnull String name) {
         this.name = name;
         return this;
     }
@@ -128,11 +128,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nonnull String name) {
         this.name = name;
     }
 
-    public ApiAppCreateRequest callbackUrl(String callbackUrl) {
+    public ApiAppCreateRequest callbackUrl(@javax.annotation.Nullable String callbackUrl) {
         this.callbackUrl = callbackUrl;
         return this;
     }
@@ -150,11 +150,11 @@ public String getCallbackUrl() {
 
     @JsonProperty(JSON_PROPERTY_CALLBACK_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCallbackUrl(String callbackUrl) {
+    public void setCallbackUrl(@javax.annotation.Nullable String callbackUrl) {
         this.callbackUrl = callbackUrl;
     }
 
-    public ApiAppCreateRequest customLogoFile(File customLogoFile) {
+    public ApiAppCreateRequest customLogoFile(@javax.annotation.Nullable File customLogoFile) {
         this.customLogoFile = customLogoFile;
         return this;
     }
@@ -172,11 +172,11 @@ public File getCustomLogoFile() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_LOGO_FILE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomLogoFile(File customLogoFile) {
+    public void setCustomLogoFile(@javax.annotation.Nullable File customLogoFile) {
         this.customLogoFile = customLogoFile;
     }
 
-    public ApiAppCreateRequest oauth(SubOAuth oauth) {
+    public ApiAppCreateRequest oauth(@javax.annotation.Nullable SubOAuth oauth) {
         this.oauth = oauth;
         return this;
     }
@@ -194,11 +194,11 @@ public SubOAuth getOauth() {
 
     @JsonProperty(JSON_PROPERTY_OAUTH)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOauth(SubOAuth oauth) {
+    public void setOauth(@javax.annotation.Nullable SubOAuth oauth) {
         this.oauth = oauth;
     }
 
-    public ApiAppCreateRequest options(SubOptions options) {
+    public ApiAppCreateRequest options(@javax.annotation.Nullable SubOptions options) {
         this.options = options;
         return this;
     }
@@ -216,11 +216,12 @@ public SubOptions getOptions() {
 
     @JsonProperty(JSON_PROPERTY_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOptions(SubOptions options) {
+    public void setOptions(@javax.annotation.Nullable SubOptions options) {
         this.options = options;
     }
 
-    public ApiAppCreateRequest whiteLabelingOptions(SubWhiteLabelingOptions whiteLabelingOptions) {
+    public ApiAppCreateRequest whiteLabelingOptions(
+            @javax.annotation.Nullable SubWhiteLabelingOptions whiteLabelingOptions) {
         this.whiteLabelingOptions = whiteLabelingOptions;
         return this;
     }
@@ -238,7 +239,8 @@ public SubWhiteLabelingOptions getWhiteLabelingOptions() {
 
     @JsonProperty(JSON_PROPERTY_WHITE_LABELING_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWhiteLabelingOptions(SubWhiteLabelingOptions whiteLabelingOptions) {
+    public void setWhiteLabelingOptions(
+            @javax.annotation.Nullable SubWhiteLabelingOptions whiteLabelingOptions) {
         this.whiteLabelingOptions = whiteLabelingOptions;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppGetResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppGetResponse.java
index 57bf2b41c..54ce2c4bb 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppGetResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppGetResponse.java
@@ -32,14 +32,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class ApiAppGetResponse {
     public static final String JSON_PROPERTY_API_APP = "api_app";
-    private ApiAppResponse apiApp;
+    @javax.annotation.Nonnull private ApiAppResponse apiApp;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public ApiAppGetResponse() {}
 
@@ -57,7 +57,7 @@ public static ApiAppGetResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), ApiAppGetResponse.class);
     }
 
-    public ApiAppGetResponse apiApp(ApiAppResponse apiApp) {
+    public ApiAppGetResponse apiApp(@javax.annotation.Nonnull ApiAppResponse apiApp) {
         this.apiApp = apiApp;
         return this;
     }
@@ -76,11 +76,11 @@ public ApiAppResponse getApiApp() {
 
     @JsonProperty(JSON_PROPERTY_API_APP)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setApiApp(ApiAppResponse apiApp) {
+    public void setApiApp(@javax.annotation.Nonnull ApiAppResponse apiApp) {
         this.apiApp = apiApp;
     }
 
-    public ApiAppGetResponse warnings(List<WarningResponse> warnings) {
+    public ApiAppGetResponse warnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -106,7 +106,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppListResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppListResponse.java
index 4963459cd..8a50aef37 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppListResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppListResponse.java
@@ -33,17 +33,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class ApiAppListResponse {
     public static final String JSON_PROPERTY_API_APPS = "api_apps";
-    private List<ApiAppResponse> apiApps = new ArrayList<>();
+    @javax.annotation.Nonnull private List<ApiAppResponse> apiApps = new ArrayList<>();
 
     public static final String JSON_PROPERTY_LIST_INFO = "list_info";
-    private ListInfoResponse listInfo;
+    @javax.annotation.Nonnull private ListInfoResponse listInfo;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public ApiAppListResponse() {}
 
@@ -61,7 +61,7 @@ public static ApiAppListResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), ApiAppListResponse.class);
     }
 
-    public ApiAppListResponse apiApps(List<ApiAppResponse> apiApps) {
+    public ApiAppListResponse apiApps(@javax.annotation.Nonnull List<ApiAppResponse> apiApps) {
         this.apiApps = apiApps;
         return this;
     }
@@ -88,11 +88,11 @@ public List<ApiAppResponse> getApiApps() {
 
     @JsonProperty(JSON_PROPERTY_API_APPS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setApiApps(List<ApiAppResponse> apiApps) {
+    public void setApiApps(@javax.annotation.Nonnull List<ApiAppResponse> apiApps) {
         this.apiApps = apiApps;
     }
 
-    public ApiAppListResponse listInfo(ListInfoResponse listInfo) {
+    public ApiAppListResponse listInfo(@javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
         return this;
     }
@@ -111,11 +111,11 @@ public ListInfoResponse getListInfo() {
 
     @JsonProperty(JSON_PROPERTY_LIST_INFO)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setListInfo(ListInfoResponse listInfo) {
+    public void setListInfo(@javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
     }
 
-    public ApiAppListResponse warnings(List<WarningResponse> warnings) {
+    public ApiAppListResponse warnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -141,7 +141,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponse.java
index 9e5b0073d..913a1e2c3 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponse.java
@@ -40,38 +40,38 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class ApiAppResponse {
     public static final String JSON_PROPERTY_CALLBACK_URL = "callback_url";
-    private String callbackUrl;
+    @javax.annotation.Nullable private String callbackUrl;
 
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nullable private String clientId;
 
     public static final String JSON_PROPERTY_CREATED_AT = "created_at";
-    private Integer createdAt;
+    @javax.annotation.Nullable private Integer createdAt;
 
     public static final String JSON_PROPERTY_DOMAINS = "domains";
-    private List<String> domains = null;
+    @javax.annotation.Nullable private List<String> domains = null;
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public static final String JSON_PROPERTY_IS_APPROVED = "is_approved";
-    private Boolean isApproved;
+    @javax.annotation.Nullable private Boolean isApproved;
 
     public static final String JSON_PROPERTY_OAUTH = "oauth";
-    private ApiAppResponseOAuth oauth;
+    @javax.annotation.Nullable private ApiAppResponseOAuth oauth;
 
     public static final String JSON_PROPERTY_OPTIONS = "options";
-    private ApiAppResponseOptions options;
+    @javax.annotation.Nullable private ApiAppResponseOptions options;
 
     public static final String JSON_PROPERTY_OWNER_ACCOUNT = "owner_account";
-    private ApiAppResponseOwnerAccount ownerAccount;
+    @javax.annotation.Nullable private ApiAppResponseOwnerAccount ownerAccount;
 
     public static final String JSON_PROPERTY_WHITE_LABELING_OPTIONS = "white_labeling_options";
-    private ApiAppResponseWhiteLabelingOptions whiteLabelingOptions;
+    @javax.annotation.Nullable private ApiAppResponseWhiteLabelingOptions whiteLabelingOptions;
 
     public ApiAppResponse() {}
 
@@ -89,7 +89,7 @@ public static ApiAppResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), ApiAppResponse.class);
     }
 
-    public ApiAppResponse callbackUrl(String callbackUrl) {
+    public ApiAppResponse callbackUrl(@javax.annotation.Nullable String callbackUrl) {
         this.callbackUrl = callbackUrl;
         return this;
     }
@@ -107,11 +107,11 @@ public String getCallbackUrl() {
 
     @JsonProperty(JSON_PROPERTY_CALLBACK_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCallbackUrl(String callbackUrl) {
+    public void setCallbackUrl(@javax.annotation.Nullable String callbackUrl) {
         this.callbackUrl = callbackUrl;
     }
 
-    public ApiAppResponse clientId(String clientId) {
+    public ApiAppResponse clientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -129,11 +129,11 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
     }
 
-    public ApiAppResponse createdAt(Integer createdAt) {
+    public ApiAppResponse createdAt(@javax.annotation.Nullable Integer createdAt) {
         this.createdAt = createdAt;
         return this;
     }
@@ -151,11 +151,11 @@ public Integer getCreatedAt() {
 
     @JsonProperty(JSON_PROPERTY_CREATED_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCreatedAt(Integer createdAt) {
+    public void setCreatedAt(@javax.annotation.Nullable Integer createdAt) {
         this.createdAt = createdAt;
     }
 
-    public ApiAppResponse domains(List<String> domains) {
+    public ApiAppResponse domains(@javax.annotation.Nullable List<String> domains) {
         this.domains = domains;
         return this;
     }
@@ -181,11 +181,11 @@ public List<String> getDomains() {
 
     @JsonProperty(JSON_PROPERTY_DOMAINS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setDomains(List<String> domains) {
+    public void setDomains(@javax.annotation.Nullable List<String> domains) {
         this.domains = domains;
     }
 
-    public ApiAppResponse name(String name) {
+    public ApiAppResponse name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -203,11 +203,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
-    public ApiAppResponse isApproved(Boolean isApproved) {
+    public ApiAppResponse isApproved(@javax.annotation.Nullable Boolean isApproved) {
         this.isApproved = isApproved;
         return this;
     }
@@ -225,11 +225,11 @@ public Boolean getIsApproved() {
 
     @JsonProperty(JSON_PROPERTY_IS_APPROVED)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsApproved(Boolean isApproved) {
+    public void setIsApproved(@javax.annotation.Nullable Boolean isApproved) {
         this.isApproved = isApproved;
     }
 
-    public ApiAppResponse oauth(ApiAppResponseOAuth oauth) {
+    public ApiAppResponse oauth(@javax.annotation.Nullable ApiAppResponseOAuth oauth) {
         this.oauth = oauth;
         return this;
     }
@@ -247,11 +247,11 @@ public ApiAppResponseOAuth getOauth() {
 
     @JsonProperty(JSON_PROPERTY_OAUTH)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOauth(ApiAppResponseOAuth oauth) {
+    public void setOauth(@javax.annotation.Nullable ApiAppResponseOAuth oauth) {
         this.oauth = oauth;
     }
 
-    public ApiAppResponse options(ApiAppResponseOptions options) {
+    public ApiAppResponse options(@javax.annotation.Nullable ApiAppResponseOptions options) {
         this.options = options;
         return this;
     }
@@ -269,11 +269,12 @@ public ApiAppResponseOptions getOptions() {
 
     @JsonProperty(JSON_PROPERTY_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOptions(ApiAppResponseOptions options) {
+    public void setOptions(@javax.annotation.Nullable ApiAppResponseOptions options) {
         this.options = options;
     }
 
-    public ApiAppResponse ownerAccount(ApiAppResponseOwnerAccount ownerAccount) {
+    public ApiAppResponse ownerAccount(
+            @javax.annotation.Nullable ApiAppResponseOwnerAccount ownerAccount) {
         this.ownerAccount = ownerAccount;
         return this;
     }
@@ -291,12 +292,13 @@ public ApiAppResponseOwnerAccount getOwnerAccount() {
 
     @JsonProperty(JSON_PROPERTY_OWNER_ACCOUNT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOwnerAccount(ApiAppResponseOwnerAccount ownerAccount) {
+    public void setOwnerAccount(
+            @javax.annotation.Nullable ApiAppResponseOwnerAccount ownerAccount) {
         this.ownerAccount = ownerAccount;
     }
 
     public ApiAppResponse whiteLabelingOptions(
-            ApiAppResponseWhiteLabelingOptions whiteLabelingOptions) {
+            @javax.annotation.Nullable ApiAppResponseWhiteLabelingOptions whiteLabelingOptions) {
         this.whiteLabelingOptions = whiteLabelingOptions;
         return this;
     }
@@ -314,7 +316,8 @@ public ApiAppResponseWhiteLabelingOptions getWhiteLabelingOptions() {
 
     @JsonProperty(JSON_PROPERTY_WHITE_LABELING_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWhiteLabelingOptions(ApiAppResponseWhiteLabelingOptions whiteLabelingOptions) {
+    public void setWhiteLabelingOptions(
+            @javax.annotation.Nullable ApiAppResponseWhiteLabelingOptions whiteLabelingOptions) {
         this.whiteLabelingOptions = whiteLabelingOptions;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponseOAuth.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponseOAuth.java
index 74ba41e86..daf3f0826 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponseOAuth.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponseOAuth.java
@@ -37,20 +37,20 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class ApiAppResponseOAuth {
     public static final String JSON_PROPERTY_CALLBACK_URL = "callback_url";
-    private String callbackUrl;
+    @javax.annotation.Nullable private String callbackUrl;
 
     public static final String JSON_PROPERTY_SECRET = "secret";
-    private String secret;
+    @javax.annotation.Nullable private String secret;
 
     public static final String JSON_PROPERTY_SCOPES = "scopes";
-    private List<String> scopes = null;
+    @javax.annotation.Nullable private List<String> scopes = null;
 
     public static final String JSON_PROPERTY_CHARGES_USERS = "charges_users";
-    private Boolean chargesUsers;
+    @javax.annotation.Nullable private Boolean chargesUsers;
 
     public ApiAppResponseOAuth() {}
 
@@ -68,7 +68,7 @@ public static ApiAppResponseOAuth init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), ApiAppResponseOAuth.class);
     }
 
-    public ApiAppResponseOAuth callbackUrl(String callbackUrl) {
+    public ApiAppResponseOAuth callbackUrl(@javax.annotation.Nullable String callbackUrl) {
         this.callbackUrl = callbackUrl;
         return this;
     }
@@ -86,11 +86,11 @@ public String getCallbackUrl() {
 
     @JsonProperty(JSON_PROPERTY_CALLBACK_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCallbackUrl(String callbackUrl) {
+    public void setCallbackUrl(@javax.annotation.Nullable String callbackUrl) {
         this.callbackUrl = callbackUrl;
     }
 
-    public ApiAppResponseOAuth secret(String secret) {
+    public ApiAppResponseOAuth secret(@javax.annotation.Nullable String secret) {
         this.secret = secret;
         return this;
     }
@@ -108,11 +108,11 @@ public String getSecret() {
 
     @JsonProperty(JSON_PROPERTY_SECRET)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSecret(String secret) {
+    public void setSecret(@javax.annotation.Nullable String secret) {
         this.secret = secret;
     }
 
-    public ApiAppResponseOAuth scopes(List<String> scopes) {
+    public ApiAppResponseOAuth scopes(@javax.annotation.Nullable List<String> scopes) {
         this.scopes = scopes;
         return this;
     }
@@ -138,11 +138,11 @@ public List<String> getScopes() {
 
     @JsonProperty(JSON_PROPERTY_SCOPES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setScopes(List<String> scopes) {
+    public void setScopes(@javax.annotation.Nullable List<String> scopes) {
         this.scopes = scopes;
     }
 
-    public ApiAppResponseOAuth chargesUsers(Boolean chargesUsers) {
+    public ApiAppResponseOAuth chargesUsers(@javax.annotation.Nullable Boolean chargesUsers) {
         this.chargesUsers = chargesUsers;
         return this;
     }
@@ -161,7 +161,7 @@ public Boolean getChargesUsers() {
 
     @JsonProperty(JSON_PROPERTY_CHARGES_USERS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setChargesUsers(Boolean chargesUsers) {
+    public void setChargesUsers(@javax.annotation.Nullable Boolean chargesUsers) {
         this.chargesUsers = chargesUsers;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponseOptions.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponseOptions.java
index e2d672dda..ace145fa9 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponseOptions.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponseOptions.java
@@ -27,11 +27,11 @@
 @JsonPropertyOrder({ApiAppResponseOptions.JSON_PROPERTY_CAN_INSERT_EVERYWHERE})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class ApiAppResponseOptions {
     public static final String JSON_PROPERTY_CAN_INSERT_EVERYWHERE = "can_insert_everywhere";
-    private Boolean canInsertEverywhere;
+    @javax.annotation.Nullable private Boolean canInsertEverywhere;
 
     public ApiAppResponseOptions() {}
 
@@ -50,7 +50,8 @@ public static ApiAppResponseOptions init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), ApiAppResponseOptions.class);
     }
 
-    public ApiAppResponseOptions canInsertEverywhere(Boolean canInsertEverywhere) {
+    public ApiAppResponseOptions canInsertEverywhere(
+            @javax.annotation.Nullable Boolean canInsertEverywhere) {
         this.canInsertEverywhere = canInsertEverywhere;
         return this;
     }
@@ -69,7 +70,7 @@ public Boolean getCanInsertEverywhere() {
 
     @JsonProperty(JSON_PROPERTY_CAN_INSERT_EVERYWHERE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCanInsertEverywhere(Boolean canInsertEverywhere) {
+    public void setCanInsertEverywhere(@javax.annotation.Nullable Boolean canInsertEverywhere) {
         this.canInsertEverywhere = canInsertEverywhere;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponseOwnerAccount.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponseOwnerAccount.java
index 7107a4329..de840b202 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponseOwnerAccount.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponseOwnerAccount.java
@@ -30,14 +30,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class ApiAppResponseOwnerAccount {
     public static final String JSON_PROPERTY_ACCOUNT_ID = "account_id";
-    private String accountId;
+    @javax.annotation.Nullable private String accountId;
 
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nullable private String emailAddress;
 
     public ApiAppResponseOwnerAccount() {}
 
@@ -57,7 +57,7 @@ public static ApiAppResponseOwnerAccount init(HashMap data) throws Exception {
                         ApiAppResponseOwnerAccount.class);
     }
 
-    public ApiAppResponseOwnerAccount accountId(String accountId) {
+    public ApiAppResponseOwnerAccount accountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
         return this;
     }
@@ -75,11 +75,11 @@ public String getAccountId() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccountId(String accountId) {
+    public void setAccountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
     }
 
-    public ApiAppResponseOwnerAccount emailAddress(String emailAddress) {
+    public ApiAppResponseOwnerAccount emailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -97,7 +97,7 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponseWhiteLabelingOptions.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponseWhiteLabelingOptions.java
index 6efd8fc40..ae9441e24 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponseWhiteLabelingOptions.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppResponseWhiteLabelingOptions.java
@@ -42,56 +42,56 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class ApiAppResponseWhiteLabelingOptions {
     public static final String JSON_PROPERTY_HEADER_BACKGROUND_COLOR = "header_background_color";
-    private String headerBackgroundColor;
+    @javax.annotation.Nullable private String headerBackgroundColor;
 
     public static final String JSON_PROPERTY_LEGAL_VERSION = "legal_version";
-    private String legalVersion;
+    @javax.annotation.Nullable private String legalVersion;
 
     public static final String JSON_PROPERTY_LINK_COLOR = "link_color";
-    private String linkColor;
+    @javax.annotation.Nullable private String linkColor;
 
     public static final String JSON_PROPERTY_PAGE_BACKGROUND_COLOR = "page_background_color";
-    private String pageBackgroundColor;
+    @javax.annotation.Nullable private String pageBackgroundColor;
 
     public static final String JSON_PROPERTY_PRIMARY_BUTTON_COLOR = "primary_button_color";
-    private String primaryButtonColor;
+    @javax.annotation.Nullable private String primaryButtonColor;
 
     public static final String JSON_PROPERTY_PRIMARY_BUTTON_COLOR_HOVER =
             "primary_button_color_hover";
-    private String primaryButtonColorHover;
+    @javax.annotation.Nullable private String primaryButtonColorHover;
 
     public static final String JSON_PROPERTY_PRIMARY_BUTTON_TEXT_COLOR =
             "primary_button_text_color";
-    private String primaryButtonTextColor;
+    @javax.annotation.Nullable private String primaryButtonTextColor;
 
     public static final String JSON_PROPERTY_PRIMARY_BUTTON_TEXT_COLOR_HOVER =
             "primary_button_text_color_hover";
-    private String primaryButtonTextColorHover;
+    @javax.annotation.Nullable private String primaryButtonTextColorHover;
 
     public static final String JSON_PROPERTY_SECONDARY_BUTTON_COLOR = "secondary_button_color";
-    private String secondaryButtonColor;
+    @javax.annotation.Nullable private String secondaryButtonColor;
 
     public static final String JSON_PROPERTY_SECONDARY_BUTTON_COLOR_HOVER =
             "secondary_button_color_hover";
-    private String secondaryButtonColorHover;
+    @javax.annotation.Nullable private String secondaryButtonColorHover;
 
     public static final String JSON_PROPERTY_SECONDARY_BUTTON_TEXT_COLOR =
             "secondary_button_text_color";
-    private String secondaryButtonTextColor;
+    @javax.annotation.Nullable private String secondaryButtonTextColor;
 
     public static final String JSON_PROPERTY_SECONDARY_BUTTON_TEXT_COLOR_HOVER =
             "secondary_button_text_color_hover";
-    private String secondaryButtonTextColorHover;
+    @javax.annotation.Nullable private String secondaryButtonTextColorHover;
 
     public static final String JSON_PROPERTY_TEXT_COLOR1 = "text_color1";
-    private String textColor1;
+    @javax.annotation.Nullable private String textColor1;
 
     public static final String JSON_PROPERTY_TEXT_COLOR2 = "text_color2";
-    private String textColor2;
+    @javax.annotation.Nullable private String textColor2;
 
     public ApiAppResponseWhiteLabelingOptions() {}
 
@@ -111,7 +111,8 @@ public static ApiAppResponseWhiteLabelingOptions init(HashMap data) throws Excep
                         ApiAppResponseWhiteLabelingOptions.class);
     }
 
-    public ApiAppResponseWhiteLabelingOptions headerBackgroundColor(String headerBackgroundColor) {
+    public ApiAppResponseWhiteLabelingOptions headerBackgroundColor(
+            @javax.annotation.Nullable String headerBackgroundColor) {
         this.headerBackgroundColor = headerBackgroundColor;
         return this;
     }
@@ -129,11 +130,12 @@ public String getHeaderBackgroundColor() {
 
     @JsonProperty(JSON_PROPERTY_HEADER_BACKGROUND_COLOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHeaderBackgroundColor(String headerBackgroundColor) {
+    public void setHeaderBackgroundColor(@javax.annotation.Nullable String headerBackgroundColor) {
         this.headerBackgroundColor = headerBackgroundColor;
     }
 
-    public ApiAppResponseWhiteLabelingOptions legalVersion(String legalVersion) {
+    public ApiAppResponseWhiteLabelingOptions legalVersion(
+            @javax.annotation.Nullable String legalVersion) {
         this.legalVersion = legalVersion;
         return this;
     }
@@ -151,11 +153,12 @@ public String getLegalVersion() {
 
     @JsonProperty(JSON_PROPERTY_LEGAL_VERSION)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setLegalVersion(String legalVersion) {
+    public void setLegalVersion(@javax.annotation.Nullable String legalVersion) {
         this.legalVersion = legalVersion;
     }
 
-    public ApiAppResponseWhiteLabelingOptions linkColor(String linkColor) {
+    public ApiAppResponseWhiteLabelingOptions linkColor(
+            @javax.annotation.Nullable String linkColor) {
         this.linkColor = linkColor;
         return this;
     }
@@ -173,11 +176,12 @@ public String getLinkColor() {
 
     @JsonProperty(JSON_PROPERTY_LINK_COLOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setLinkColor(String linkColor) {
+    public void setLinkColor(@javax.annotation.Nullable String linkColor) {
         this.linkColor = linkColor;
     }
 
-    public ApiAppResponseWhiteLabelingOptions pageBackgroundColor(String pageBackgroundColor) {
+    public ApiAppResponseWhiteLabelingOptions pageBackgroundColor(
+            @javax.annotation.Nullable String pageBackgroundColor) {
         this.pageBackgroundColor = pageBackgroundColor;
         return this;
     }
@@ -195,11 +199,12 @@ public String getPageBackgroundColor() {
 
     @JsonProperty(JSON_PROPERTY_PAGE_BACKGROUND_COLOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPageBackgroundColor(String pageBackgroundColor) {
+    public void setPageBackgroundColor(@javax.annotation.Nullable String pageBackgroundColor) {
         this.pageBackgroundColor = pageBackgroundColor;
     }
 
-    public ApiAppResponseWhiteLabelingOptions primaryButtonColor(String primaryButtonColor) {
+    public ApiAppResponseWhiteLabelingOptions primaryButtonColor(
+            @javax.annotation.Nullable String primaryButtonColor) {
         this.primaryButtonColor = primaryButtonColor;
         return this;
     }
@@ -217,12 +222,12 @@ public String getPrimaryButtonColor() {
 
     @JsonProperty(JSON_PROPERTY_PRIMARY_BUTTON_COLOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPrimaryButtonColor(String primaryButtonColor) {
+    public void setPrimaryButtonColor(@javax.annotation.Nullable String primaryButtonColor) {
         this.primaryButtonColor = primaryButtonColor;
     }
 
     public ApiAppResponseWhiteLabelingOptions primaryButtonColorHover(
-            String primaryButtonColorHover) {
+            @javax.annotation.Nullable String primaryButtonColorHover) {
         this.primaryButtonColorHover = primaryButtonColorHover;
         return this;
     }
@@ -240,12 +245,13 @@ public String getPrimaryButtonColorHover() {
 
     @JsonProperty(JSON_PROPERTY_PRIMARY_BUTTON_COLOR_HOVER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPrimaryButtonColorHover(String primaryButtonColorHover) {
+    public void setPrimaryButtonColorHover(
+            @javax.annotation.Nullable String primaryButtonColorHover) {
         this.primaryButtonColorHover = primaryButtonColorHover;
     }
 
     public ApiAppResponseWhiteLabelingOptions primaryButtonTextColor(
-            String primaryButtonTextColor) {
+            @javax.annotation.Nullable String primaryButtonTextColor) {
         this.primaryButtonTextColor = primaryButtonTextColor;
         return this;
     }
@@ -263,12 +269,13 @@ public String getPrimaryButtonTextColor() {
 
     @JsonProperty(JSON_PROPERTY_PRIMARY_BUTTON_TEXT_COLOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPrimaryButtonTextColor(String primaryButtonTextColor) {
+    public void setPrimaryButtonTextColor(
+            @javax.annotation.Nullable String primaryButtonTextColor) {
         this.primaryButtonTextColor = primaryButtonTextColor;
     }
 
     public ApiAppResponseWhiteLabelingOptions primaryButtonTextColorHover(
-            String primaryButtonTextColorHover) {
+            @javax.annotation.Nullable String primaryButtonTextColorHover) {
         this.primaryButtonTextColorHover = primaryButtonTextColorHover;
         return this;
     }
@@ -286,11 +293,13 @@ public String getPrimaryButtonTextColorHover() {
 
     @JsonProperty(JSON_PROPERTY_PRIMARY_BUTTON_TEXT_COLOR_HOVER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPrimaryButtonTextColorHover(String primaryButtonTextColorHover) {
+    public void setPrimaryButtonTextColorHover(
+            @javax.annotation.Nullable String primaryButtonTextColorHover) {
         this.primaryButtonTextColorHover = primaryButtonTextColorHover;
     }
 
-    public ApiAppResponseWhiteLabelingOptions secondaryButtonColor(String secondaryButtonColor) {
+    public ApiAppResponseWhiteLabelingOptions secondaryButtonColor(
+            @javax.annotation.Nullable String secondaryButtonColor) {
         this.secondaryButtonColor = secondaryButtonColor;
         return this;
     }
@@ -308,12 +317,12 @@ public String getSecondaryButtonColor() {
 
     @JsonProperty(JSON_PROPERTY_SECONDARY_BUTTON_COLOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSecondaryButtonColor(String secondaryButtonColor) {
+    public void setSecondaryButtonColor(@javax.annotation.Nullable String secondaryButtonColor) {
         this.secondaryButtonColor = secondaryButtonColor;
     }
 
     public ApiAppResponseWhiteLabelingOptions secondaryButtonColorHover(
-            String secondaryButtonColorHover) {
+            @javax.annotation.Nullable String secondaryButtonColorHover) {
         this.secondaryButtonColorHover = secondaryButtonColorHover;
         return this;
     }
@@ -331,12 +340,13 @@ public String getSecondaryButtonColorHover() {
 
     @JsonProperty(JSON_PROPERTY_SECONDARY_BUTTON_COLOR_HOVER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSecondaryButtonColorHover(String secondaryButtonColorHover) {
+    public void setSecondaryButtonColorHover(
+            @javax.annotation.Nullable String secondaryButtonColorHover) {
         this.secondaryButtonColorHover = secondaryButtonColorHover;
     }
 
     public ApiAppResponseWhiteLabelingOptions secondaryButtonTextColor(
-            String secondaryButtonTextColor) {
+            @javax.annotation.Nullable String secondaryButtonTextColor) {
         this.secondaryButtonTextColor = secondaryButtonTextColor;
         return this;
     }
@@ -354,12 +364,13 @@ public String getSecondaryButtonTextColor() {
 
     @JsonProperty(JSON_PROPERTY_SECONDARY_BUTTON_TEXT_COLOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSecondaryButtonTextColor(String secondaryButtonTextColor) {
+    public void setSecondaryButtonTextColor(
+            @javax.annotation.Nullable String secondaryButtonTextColor) {
         this.secondaryButtonTextColor = secondaryButtonTextColor;
     }
 
     public ApiAppResponseWhiteLabelingOptions secondaryButtonTextColorHover(
-            String secondaryButtonTextColorHover) {
+            @javax.annotation.Nullable String secondaryButtonTextColorHover) {
         this.secondaryButtonTextColorHover = secondaryButtonTextColorHover;
         return this;
     }
@@ -377,11 +388,13 @@ public String getSecondaryButtonTextColorHover() {
 
     @JsonProperty(JSON_PROPERTY_SECONDARY_BUTTON_TEXT_COLOR_HOVER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSecondaryButtonTextColorHover(String secondaryButtonTextColorHover) {
+    public void setSecondaryButtonTextColorHover(
+            @javax.annotation.Nullable String secondaryButtonTextColorHover) {
         this.secondaryButtonTextColorHover = secondaryButtonTextColorHover;
     }
 
-    public ApiAppResponseWhiteLabelingOptions textColor1(String textColor1) {
+    public ApiAppResponseWhiteLabelingOptions textColor1(
+            @javax.annotation.Nullable String textColor1) {
         this.textColor1 = textColor1;
         return this;
     }
@@ -399,11 +412,12 @@ public String getTextColor1() {
 
     @JsonProperty(JSON_PROPERTY_TEXT_COLOR1)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTextColor1(String textColor1) {
+    public void setTextColor1(@javax.annotation.Nullable String textColor1) {
         this.textColor1 = textColor1;
     }
 
-    public ApiAppResponseWhiteLabelingOptions textColor2(String textColor2) {
+    public ApiAppResponseWhiteLabelingOptions textColor2(
+            @javax.annotation.Nullable String textColor2) {
         this.textColor2 = textColor2;
         return this;
     }
@@ -421,7 +435,7 @@ public String getTextColor2() {
 
     @JsonProperty(JSON_PROPERTY_TEXT_COLOR2)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTextColor2(String textColor2) {
+    public void setTextColor2(@javax.annotation.Nullable String textColor2) {
         this.textColor2 = textColor2;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppUpdateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppUpdateRequest.java
index 04b23fb36..a27dfcd8c 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppUpdateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ApiAppUpdateRequest.java
@@ -38,29 +38,29 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class ApiAppUpdateRequest {
     public static final String JSON_PROPERTY_CALLBACK_URL = "callback_url";
-    private String callbackUrl;
+    @javax.annotation.Nullable private String callbackUrl;
 
     public static final String JSON_PROPERTY_CUSTOM_LOGO_FILE = "custom_logo_file";
-    private File customLogoFile;
+    @javax.annotation.Nullable private File customLogoFile;
 
     public static final String JSON_PROPERTY_DOMAINS = "domains";
-    private List<String> domains = null;
+    @javax.annotation.Nullable private List<String> domains = null;
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public static final String JSON_PROPERTY_OAUTH = "oauth";
-    private SubOAuth oauth;
+    @javax.annotation.Nullable private SubOAuth oauth;
 
     public static final String JSON_PROPERTY_OPTIONS = "options";
-    private SubOptions options;
+    @javax.annotation.Nullable private SubOptions options;
 
     public static final String JSON_PROPERTY_WHITE_LABELING_OPTIONS = "white_labeling_options";
-    private SubWhiteLabelingOptions whiteLabelingOptions;
+    @javax.annotation.Nullable private SubWhiteLabelingOptions whiteLabelingOptions;
 
     public ApiAppUpdateRequest() {}
 
@@ -78,7 +78,7 @@ public static ApiAppUpdateRequest init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), ApiAppUpdateRequest.class);
     }
 
-    public ApiAppUpdateRequest callbackUrl(String callbackUrl) {
+    public ApiAppUpdateRequest callbackUrl(@javax.annotation.Nullable String callbackUrl) {
         this.callbackUrl = callbackUrl;
         return this;
     }
@@ -96,11 +96,11 @@ public String getCallbackUrl() {
 
     @JsonProperty(JSON_PROPERTY_CALLBACK_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCallbackUrl(String callbackUrl) {
+    public void setCallbackUrl(@javax.annotation.Nullable String callbackUrl) {
         this.callbackUrl = callbackUrl;
     }
 
-    public ApiAppUpdateRequest customLogoFile(File customLogoFile) {
+    public ApiAppUpdateRequest customLogoFile(@javax.annotation.Nullable File customLogoFile) {
         this.customLogoFile = customLogoFile;
         return this;
     }
@@ -118,11 +118,11 @@ public File getCustomLogoFile() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_LOGO_FILE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomLogoFile(File customLogoFile) {
+    public void setCustomLogoFile(@javax.annotation.Nullable File customLogoFile) {
         this.customLogoFile = customLogoFile;
     }
 
-    public ApiAppUpdateRequest domains(List<String> domains) {
+    public ApiAppUpdateRequest domains(@javax.annotation.Nullable List<String> domains) {
         this.domains = domains;
         return this;
     }
@@ -148,11 +148,11 @@ public List<String> getDomains() {
 
     @JsonProperty(JSON_PROPERTY_DOMAINS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setDomains(List<String> domains) {
+    public void setDomains(@javax.annotation.Nullable List<String> domains) {
         this.domains = domains;
     }
 
-    public ApiAppUpdateRequest name(String name) {
+    public ApiAppUpdateRequest name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -170,11 +170,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
-    public ApiAppUpdateRequest oauth(SubOAuth oauth) {
+    public ApiAppUpdateRequest oauth(@javax.annotation.Nullable SubOAuth oauth) {
         this.oauth = oauth;
         return this;
     }
@@ -192,11 +192,11 @@ public SubOAuth getOauth() {
 
     @JsonProperty(JSON_PROPERTY_OAUTH)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOauth(SubOAuth oauth) {
+    public void setOauth(@javax.annotation.Nullable SubOAuth oauth) {
         this.oauth = oauth;
     }
 
-    public ApiAppUpdateRequest options(SubOptions options) {
+    public ApiAppUpdateRequest options(@javax.annotation.Nullable SubOptions options) {
         this.options = options;
         return this;
     }
@@ -214,11 +214,12 @@ public SubOptions getOptions() {
 
     @JsonProperty(JSON_PROPERTY_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOptions(SubOptions options) {
+    public void setOptions(@javax.annotation.Nullable SubOptions options) {
         this.options = options;
     }
 
-    public ApiAppUpdateRequest whiteLabelingOptions(SubWhiteLabelingOptions whiteLabelingOptions) {
+    public ApiAppUpdateRequest whiteLabelingOptions(
+            @javax.annotation.Nullable SubWhiteLabelingOptions whiteLabelingOptions) {
         this.whiteLabelingOptions = whiteLabelingOptions;
         return this;
     }
@@ -236,7 +237,8 @@ public SubWhiteLabelingOptions getWhiteLabelingOptions() {
 
     @JsonProperty(JSON_PROPERTY_WHITE_LABELING_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWhiteLabelingOptions(SubWhiteLabelingOptions whiteLabelingOptions) {
+    public void setWhiteLabelingOptions(
+            @javax.annotation.Nullable SubWhiteLabelingOptions whiteLabelingOptions) {
         this.whiteLabelingOptions = whiteLabelingOptions;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobGetResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobGetResponse.java
index 27b8be9e6..80ade2f0d 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobGetResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobGetResponse.java
@@ -34,20 +34,22 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class BulkSendJobGetResponse {
     public static final String JSON_PROPERTY_BULK_SEND_JOB = "bulk_send_job";
-    private BulkSendJobResponse bulkSendJob;
+    @javax.annotation.Nonnull private BulkSendJobResponse bulkSendJob;
 
     public static final String JSON_PROPERTY_LIST_INFO = "list_info";
-    private ListInfoResponse listInfo;
+    @javax.annotation.Nonnull private ListInfoResponse listInfo;
 
     public static final String JSON_PROPERTY_SIGNATURE_REQUESTS = "signature_requests";
+
+    @javax.annotation.Nonnull
     private List<BulkSendJobGetResponseSignatureRequests> signatureRequests = new ArrayList<>();
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public BulkSendJobGetResponse() {}
 
@@ -66,7 +68,8 @@ public static BulkSendJobGetResponse init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), BulkSendJobGetResponse.class);
     }
 
-    public BulkSendJobGetResponse bulkSendJob(BulkSendJobResponse bulkSendJob) {
+    public BulkSendJobGetResponse bulkSendJob(
+            @javax.annotation.Nonnull BulkSendJobResponse bulkSendJob) {
         this.bulkSendJob = bulkSendJob;
         return this;
     }
@@ -85,11 +88,11 @@ public BulkSendJobResponse getBulkSendJob() {
 
     @JsonProperty(JSON_PROPERTY_BULK_SEND_JOB)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setBulkSendJob(BulkSendJobResponse bulkSendJob) {
+    public void setBulkSendJob(@javax.annotation.Nonnull BulkSendJobResponse bulkSendJob) {
         this.bulkSendJob = bulkSendJob;
     }
 
-    public BulkSendJobGetResponse listInfo(ListInfoResponse listInfo) {
+    public BulkSendJobGetResponse listInfo(@javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
         return this;
     }
@@ -108,12 +111,13 @@ public ListInfoResponse getListInfo() {
 
     @JsonProperty(JSON_PROPERTY_LIST_INFO)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setListInfo(ListInfoResponse listInfo) {
+    public void setListInfo(@javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
     }
 
     public BulkSendJobGetResponse signatureRequests(
-            List<BulkSendJobGetResponseSignatureRequests> signatureRequests) {
+            @javax.annotation.Nonnull
+                    List<BulkSendJobGetResponseSignatureRequests> signatureRequests) {
         this.signatureRequests = signatureRequests;
         return this;
     }
@@ -142,11 +146,13 @@ public List<BulkSendJobGetResponseSignatureRequests> getSignatureRequests() {
     @JsonProperty(JSON_PROPERTY_SIGNATURE_REQUESTS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
     public void setSignatureRequests(
-            List<BulkSendJobGetResponseSignatureRequests> signatureRequests) {
+            @javax.annotation.Nonnull
+                    List<BulkSendJobGetResponseSignatureRequests> signatureRequests) {
         this.signatureRequests = signatureRequests;
     }
 
-    public BulkSendJobGetResponse warnings(List<WarningResponse> warnings) {
+    public BulkSendJobGetResponse warnings(
+            @javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -172,7 +178,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobGetResponseSignatureRequests.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobGetResponseSignatureRequests.java
index d96001b5c..dc04b97e4 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobGetResponseSignatureRequests.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobGetResponseSignatureRequests.java
@@ -55,83 +55,84 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class BulkSendJobGetResponseSignatureRequests {
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public static final String JSON_PROPERTY_SIGNATURE_REQUEST_ID = "signature_request_id";
-    private String signatureRequestId;
+    @javax.annotation.Nullable private String signatureRequestId;
 
     public static final String JSON_PROPERTY_REQUESTER_EMAIL_ADDRESS = "requester_email_address";
-    private String requesterEmailAddress;
+    @javax.annotation.Nullable private String requesterEmailAddress;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nullable private String title;
 
     public static final String JSON_PROPERTY_ORIGINAL_TITLE = "original_title";
-    private String originalTitle;
+    @javax.annotation.Nullable private String originalTitle;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_CREATED_AT = "created_at";
-    private Integer createdAt;
+    @javax.annotation.Nullable private Integer createdAt;
 
     public static final String JSON_PROPERTY_EXPIRES_AT = "expires_at";
-    private Integer expiresAt;
+    @javax.annotation.Nullable private Integer expiresAt;
 
     public static final String JSON_PROPERTY_IS_COMPLETE = "is_complete";
-    private Boolean isComplete;
+    @javax.annotation.Nullable private Boolean isComplete;
 
     public static final String JSON_PROPERTY_IS_DECLINED = "is_declined";
-    private Boolean isDeclined;
+    @javax.annotation.Nullable private Boolean isDeclined;
 
     public static final String JSON_PROPERTY_HAS_ERROR = "has_error";
-    private Boolean hasError;
+    @javax.annotation.Nullable private Boolean hasError;
 
     public static final String JSON_PROPERTY_FILES_URL = "files_url";
-    private String filesUrl;
+    @javax.annotation.Nullable private String filesUrl;
 
     public static final String JSON_PROPERTY_SIGNING_URL = "signing_url";
-    private String signingUrl;
+    @javax.annotation.Nullable private String signingUrl;
 
     public static final String JSON_PROPERTY_DETAILS_URL = "details_url";
-    private String detailsUrl;
+    @javax.annotation.Nullable private String detailsUrl;
 
     public static final String JSON_PROPERTY_CC_EMAIL_ADDRESSES = "cc_email_addresses";
-    private List<String> ccEmailAddresses = null;
+    @javax.annotation.Nullable private List<String> ccEmailAddresses = null;
 
     public static final String JSON_PROPERTY_SIGNING_REDIRECT_URL = "signing_redirect_url";
-    private String signingRedirectUrl;
+    @javax.annotation.Nullable private String signingRedirectUrl;
 
     public static final String JSON_PROPERTY_FINAL_COPY_URI = "final_copy_uri";
-    private String finalCopyUri;
+    @javax.annotation.Nullable private String finalCopyUri;
 
     public static final String JSON_PROPERTY_TEMPLATE_IDS = "template_ids";
-    private List<String> templateIds = null;
+    @javax.annotation.Nullable private List<String> templateIds = null;
 
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    private List<SignatureRequestResponseCustomFieldBase> customFields = null;
+
+    @javax.annotation.Nullable private List<SignatureRequestResponseCustomFieldBase> customFields = null;
 
     public static final String JSON_PROPERTY_ATTACHMENTS = "attachments";
-    private List<SignatureRequestResponseAttachment> attachments = null;
+    @javax.annotation.Nullable private List<SignatureRequestResponseAttachment> attachments = null;
 
     public static final String JSON_PROPERTY_RESPONSE_DATA = "response_data";
-    private List<SignatureRequestResponseDataBase> responseData = null;
+    @javax.annotation.Nullable private List<SignatureRequestResponseDataBase> responseData = null;
 
     public static final String JSON_PROPERTY_SIGNATURES = "signatures";
-    private List<SignatureRequestResponseSignatures> signatures = null;
+    @javax.annotation.Nullable private List<SignatureRequestResponseSignatures> signatures = null;
 
     public static final String JSON_PROPERTY_BULK_SEND_JOB_ID = "bulk_send_job_id";
-    private String bulkSendJobId;
+    @javax.annotation.Nullable private String bulkSendJobId;
 
     public BulkSendJobGetResponseSignatureRequests() {}
 
@@ -152,7 +153,8 @@ public static BulkSendJobGetResponseSignatureRequests init(HashMap data) throws
                         BulkSendJobGetResponseSignatureRequests.class);
     }
 
-    public BulkSendJobGetResponseSignatureRequests testMode(Boolean testMode) {
+    public BulkSendJobGetResponseSignatureRequests testMode(
+            @javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -171,11 +173,12 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public BulkSendJobGetResponseSignatureRequests signatureRequestId(String signatureRequestId) {
+    public BulkSendJobGetResponseSignatureRequests signatureRequestId(
+            @javax.annotation.Nullable String signatureRequestId) {
         this.signatureRequestId = signatureRequestId;
         return this;
     }
@@ -193,12 +196,12 @@ public String getSignatureRequestId() {
 
     @JsonProperty(JSON_PROPERTY_SIGNATURE_REQUEST_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignatureRequestId(String signatureRequestId) {
+    public void setSignatureRequestId(@javax.annotation.Nullable String signatureRequestId) {
         this.signatureRequestId = signatureRequestId;
     }
 
     public BulkSendJobGetResponseSignatureRequests requesterEmailAddress(
-            String requesterEmailAddress) {
+            @javax.annotation.Nullable String requesterEmailAddress) {
         this.requesterEmailAddress = requesterEmailAddress;
         return this;
     }
@@ -216,11 +219,11 @@ public String getRequesterEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_REQUESTER_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRequesterEmailAddress(String requesterEmailAddress) {
+    public void setRequesterEmailAddress(@javax.annotation.Nullable String requesterEmailAddress) {
         this.requesterEmailAddress = requesterEmailAddress;
     }
 
-    public BulkSendJobGetResponseSignatureRequests title(String title) {
+    public BulkSendJobGetResponseSignatureRequests title(@javax.annotation.Nullable String title) {
         this.title = title;
         return this;
     }
@@ -238,11 +241,12 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nullable String title) {
         this.title = title;
     }
 
-    public BulkSendJobGetResponseSignatureRequests originalTitle(String originalTitle) {
+    public BulkSendJobGetResponseSignatureRequests originalTitle(
+            @javax.annotation.Nullable String originalTitle) {
         this.originalTitle = originalTitle;
         return this;
     }
@@ -260,11 +264,12 @@ public String getOriginalTitle() {
 
     @JsonProperty(JSON_PROPERTY_ORIGINAL_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOriginalTitle(String originalTitle) {
+    public void setOriginalTitle(@javax.annotation.Nullable String originalTitle) {
         this.originalTitle = originalTitle;
     }
 
-    public BulkSendJobGetResponseSignatureRequests subject(String subject) {
+    public BulkSendJobGetResponseSignatureRequests subject(
+            @javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -282,11 +287,12 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public BulkSendJobGetResponseSignatureRequests message(String message) {
+    public BulkSendJobGetResponseSignatureRequests message(
+            @javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -304,11 +310,12 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public BulkSendJobGetResponseSignatureRequests metadata(Map<String, Object> metadata) {
+    public BulkSendJobGetResponseSignatureRequests metadata(
+            @javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -335,11 +342,12 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
-    public BulkSendJobGetResponseSignatureRequests createdAt(Integer createdAt) {
+    public BulkSendJobGetResponseSignatureRequests createdAt(
+            @javax.annotation.Nullable Integer createdAt) {
         this.createdAt = createdAt;
         return this;
     }
@@ -357,11 +365,12 @@ public Integer getCreatedAt() {
 
     @JsonProperty(JSON_PROPERTY_CREATED_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCreatedAt(Integer createdAt) {
+    public void setCreatedAt(@javax.annotation.Nullable Integer createdAt) {
         this.createdAt = createdAt;
     }
 
-    public BulkSendJobGetResponseSignatureRequests expiresAt(Integer expiresAt) {
+    public BulkSendJobGetResponseSignatureRequests expiresAt(
+            @javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
         return this;
     }
@@ -381,11 +390,12 @@ public Integer getExpiresAt() {
 
     @JsonProperty(JSON_PROPERTY_EXPIRES_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setExpiresAt(Integer expiresAt) {
+    public void setExpiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
     }
 
-    public BulkSendJobGetResponseSignatureRequests isComplete(Boolean isComplete) {
+    public BulkSendJobGetResponseSignatureRequests isComplete(
+            @javax.annotation.Nullable Boolean isComplete) {
         this.isComplete = isComplete;
         return this;
     }
@@ -403,11 +413,12 @@ public Boolean getIsComplete() {
 
     @JsonProperty(JSON_PROPERTY_IS_COMPLETE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsComplete(Boolean isComplete) {
+    public void setIsComplete(@javax.annotation.Nullable Boolean isComplete) {
         this.isComplete = isComplete;
     }
 
-    public BulkSendJobGetResponseSignatureRequests isDeclined(Boolean isDeclined) {
+    public BulkSendJobGetResponseSignatureRequests isDeclined(
+            @javax.annotation.Nullable Boolean isDeclined) {
         this.isDeclined = isDeclined;
         return this;
     }
@@ -425,11 +436,12 @@ public Boolean getIsDeclined() {
 
     @JsonProperty(JSON_PROPERTY_IS_DECLINED)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsDeclined(Boolean isDeclined) {
+    public void setIsDeclined(@javax.annotation.Nullable Boolean isDeclined) {
         this.isDeclined = isDeclined;
     }
 
-    public BulkSendJobGetResponseSignatureRequests hasError(Boolean hasError) {
+    public BulkSendJobGetResponseSignatureRequests hasError(
+            @javax.annotation.Nullable Boolean hasError) {
         this.hasError = hasError;
         return this;
     }
@@ -448,11 +460,12 @@ public Boolean getHasError() {
 
     @JsonProperty(JSON_PROPERTY_HAS_ERROR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHasError(Boolean hasError) {
+    public void setHasError(@javax.annotation.Nullable Boolean hasError) {
         this.hasError = hasError;
     }
 
-    public BulkSendJobGetResponseSignatureRequests filesUrl(String filesUrl) {
+    public BulkSendJobGetResponseSignatureRequests filesUrl(
+            @javax.annotation.Nullable String filesUrl) {
         this.filesUrl = filesUrl;
         return this;
     }
@@ -470,11 +483,12 @@ public String getFilesUrl() {
 
     @JsonProperty(JSON_PROPERTY_FILES_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFilesUrl(String filesUrl) {
+    public void setFilesUrl(@javax.annotation.Nullable String filesUrl) {
         this.filesUrl = filesUrl;
     }
 
-    public BulkSendJobGetResponseSignatureRequests signingUrl(String signingUrl) {
+    public BulkSendJobGetResponseSignatureRequests signingUrl(
+            @javax.annotation.Nullable String signingUrl) {
         this.signingUrl = signingUrl;
         return this;
     }
@@ -494,11 +508,12 @@ public String getSigningUrl() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningUrl(String signingUrl) {
+    public void setSigningUrl(@javax.annotation.Nullable String signingUrl) {
         this.signingUrl = signingUrl;
     }
 
-    public BulkSendJobGetResponseSignatureRequests detailsUrl(String detailsUrl) {
+    public BulkSendJobGetResponseSignatureRequests detailsUrl(
+            @javax.annotation.Nullable String detailsUrl) {
         this.detailsUrl = detailsUrl;
         return this;
     }
@@ -517,11 +532,12 @@ public String getDetailsUrl() {
 
     @JsonProperty(JSON_PROPERTY_DETAILS_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setDetailsUrl(String detailsUrl) {
+    public void setDetailsUrl(@javax.annotation.Nullable String detailsUrl) {
         this.detailsUrl = detailsUrl;
     }
 
-    public BulkSendJobGetResponseSignatureRequests ccEmailAddresses(List<String> ccEmailAddresses) {
+    public BulkSendJobGetResponseSignatureRequests ccEmailAddresses(
+            @javax.annotation.Nullable List<String> ccEmailAddresses) {
         this.ccEmailAddresses = ccEmailAddresses;
         return this;
     }
@@ -549,11 +565,12 @@ public List<String> getCcEmailAddresses() {
 
     @JsonProperty(JSON_PROPERTY_CC_EMAIL_ADDRESSES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcEmailAddresses(List<String> ccEmailAddresses) {
+    public void setCcEmailAddresses(@javax.annotation.Nullable List<String> ccEmailAddresses) {
         this.ccEmailAddresses = ccEmailAddresses;
     }
 
-    public BulkSendJobGetResponseSignatureRequests signingRedirectUrl(String signingRedirectUrl) {
+    public BulkSendJobGetResponseSignatureRequests signingRedirectUrl(
+            @javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
         return this;
     }
@@ -571,11 +588,12 @@ public String getSigningRedirectUrl() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_REDIRECT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningRedirectUrl(String signingRedirectUrl) {
+    public void setSigningRedirectUrl(@javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
     }
 
-    public BulkSendJobGetResponseSignatureRequests finalCopyUri(String finalCopyUri) {
+    public BulkSendJobGetResponseSignatureRequests finalCopyUri(
+            @javax.annotation.Nullable String finalCopyUri) {
         this.finalCopyUri = finalCopyUri;
         return this;
     }
@@ -593,11 +611,12 @@ public String getFinalCopyUri() {
 
     @JsonProperty(JSON_PROPERTY_FINAL_COPY_URI)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFinalCopyUri(String finalCopyUri) {
+    public void setFinalCopyUri(@javax.annotation.Nullable String finalCopyUri) {
         this.finalCopyUri = finalCopyUri;
     }
 
-    public BulkSendJobGetResponseSignatureRequests templateIds(List<String> templateIds) {
+    public BulkSendJobGetResponseSignatureRequests templateIds(
+            @javax.annotation.Nullable List<String> templateIds) {
         this.templateIds = templateIds;
         return this;
     }
@@ -623,12 +642,12 @@ public List<String> getTemplateIds() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE_IDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTemplateIds(List<String> templateIds) {
+    public void setTemplateIds(@javax.annotation.Nullable List<String> templateIds) {
         this.templateIds = templateIds;
     }
 
     public BulkSendJobGetResponseSignatureRequests customFields(
-            List<SignatureRequestResponseCustomFieldBase> customFields) {
+            @javax.annotation.Nullable List<SignatureRequestResponseCustomFieldBase> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -657,12 +676,13 @@ public List<SignatureRequestResponseCustomFieldBase> getCustomFields() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<SignatureRequestResponseCustomFieldBase> customFields) {
+    public void setCustomFields(
+            @javax.annotation.Nullable List<SignatureRequestResponseCustomFieldBase> customFields) {
         this.customFields = customFields;
     }
 
     public BulkSendJobGetResponseSignatureRequests attachments(
-            List<SignatureRequestResponseAttachment> attachments) {
+            @javax.annotation.Nullable List<SignatureRequestResponseAttachment> attachments) {
         this.attachments = attachments;
         return this;
     }
@@ -689,12 +709,13 @@ public List<SignatureRequestResponseAttachment> getAttachments() {
 
     @JsonProperty(JSON_PROPERTY_ATTACHMENTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAttachments(List<SignatureRequestResponseAttachment> attachments) {
+    public void setAttachments(
+            @javax.annotation.Nullable List<SignatureRequestResponseAttachment> attachments) {
         this.attachments = attachments;
     }
 
     public BulkSendJobGetResponseSignatureRequests responseData(
-            List<SignatureRequestResponseDataBase> responseData) {
+            @javax.annotation.Nullable List<SignatureRequestResponseDataBase> responseData) {
         this.responseData = responseData;
         return this;
     }
@@ -722,12 +743,13 @@ public List<SignatureRequestResponseDataBase> getResponseData() {
 
     @JsonProperty(JSON_PROPERTY_RESPONSE_DATA)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setResponseData(List<SignatureRequestResponseDataBase> responseData) {
+    public void setResponseData(
+            @javax.annotation.Nullable List<SignatureRequestResponseDataBase> responseData) {
         this.responseData = responseData;
     }
 
     public BulkSendJobGetResponseSignatureRequests signatures(
-            List<SignatureRequestResponseSignatures> signatures) {
+            @javax.annotation.Nullable List<SignatureRequestResponseSignatures> signatures) {
         this.signatures = signatures;
         return this;
     }
@@ -754,11 +776,13 @@ public List<SignatureRequestResponseSignatures> getSignatures() {
 
     @JsonProperty(JSON_PROPERTY_SIGNATURES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignatures(List<SignatureRequestResponseSignatures> signatures) {
+    public void setSignatures(
+            @javax.annotation.Nullable List<SignatureRequestResponseSignatures> signatures) {
         this.signatures = signatures;
     }
 
-    public BulkSendJobGetResponseSignatureRequests bulkSendJobId(String bulkSendJobId) {
+    public BulkSendJobGetResponseSignatureRequests bulkSendJobId(
+            @javax.annotation.Nullable String bulkSendJobId) {
         this.bulkSendJobId = bulkSendJobId;
         return this;
     }
@@ -776,7 +800,7 @@ public String getBulkSendJobId() {
 
     @JsonProperty(JSON_PROPERTY_BULK_SEND_JOB_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setBulkSendJobId(String bulkSendJobId) {
+    public void setBulkSendJobId(@javax.annotation.Nullable String bulkSendJobId) {
         this.bulkSendJobId = bulkSendJobId;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobListResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobListResponse.java
index 3f4c641a5..a47d9a259 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobListResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobListResponse.java
@@ -33,17 +33,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class BulkSendJobListResponse {
     public static final String JSON_PROPERTY_BULK_SEND_JOBS = "bulk_send_jobs";
-    private List<BulkSendJobResponse> bulkSendJobs = new ArrayList<>();
+    @javax.annotation.Nonnull private List<BulkSendJobResponse> bulkSendJobs = new ArrayList<>();
 
     public static final String JSON_PROPERTY_LIST_INFO = "list_info";
-    private ListInfoResponse listInfo;
+    @javax.annotation.Nonnull private ListInfoResponse listInfo;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public BulkSendJobListResponse() {}
 
@@ -62,7 +62,8 @@ public static BulkSendJobListResponse init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), BulkSendJobListResponse.class);
     }
 
-    public BulkSendJobListResponse bulkSendJobs(List<BulkSendJobResponse> bulkSendJobs) {
+    public BulkSendJobListResponse bulkSendJobs(
+            @javax.annotation.Nonnull List<BulkSendJobResponse> bulkSendJobs) {
         this.bulkSendJobs = bulkSendJobs;
         return this;
     }
@@ -89,11 +90,11 @@ public List<BulkSendJobResponse> getBulkSendJobs() {
 
     @JsonProperty(JSON_PROPERTY_BULK_SEND_JOBS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setBulkSendJobs(List<BulkSendJobResponse> bulkSendJobs) {
+    public void setBulkSendJobs(@javax.annotation.Nonnull List<BulkSendJobResponse> bulkSendJobs) {
         this.bulkSendJobs = bulkSendJobs;
     }
 
-    public BulkSendJobListResponse listInfo(ListInfoResponse listInfo) {
+    public BulkSendJobListResponse listInfo(@javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
         return this;
     }
@@ -112,11 +113,12 @@ public ListInfoResponse getListInfo() {
 
     @JsonProperty(JSON_PROPERTY_LIST_INFO)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setListInfo(ListInfoResponse listInfo) {
+    public void setListInfo(@javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
     }
 
-    public BulkSendJobListResponse warnings(List<WarningResponse> warnings) {
+    public BulkSendJobListResponse warnings(
+            @javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -142,7 +144,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobResponse.java
index bc366fdce..442e2b628 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobResponse.java
@@ -35,20 +35,20 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class BulkSendJobResponse {
     public static final String JSON_PROPERTY_BULK_SEND_JOB_ID = "bulk_send_job_id";
-    private String bulkSendJobId;
+    @javax.annotation.Nullable private String bulkSendJobId;
 
     public static final String JSON_PROPERTY_TOTAL = "total";
-    private Integer total;
+    @javax.annotation.Nullable private Integer total;
 
     public static final String JSON_PROPERTY_IS_CREATOR = "is_creator";
-    private Boolean isCreator;
+    @javax.annotation.Nullable private Boolean isCreator;
 
     public static final String JSON_PROPERTY_CREATED_AT = "created_at";
-    private Integer createdAt;
+    @javax.annotation.Nullable private Integer createdAt;
 
     public BulkSendJobResponse() {}
 
@@ -66,7 +66,7 @@ public static BulkSendJobResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), BulkSendJobResponse.class);
     }
 
-    public BulkSendJobResponse bulkSendJobId(String bulkSendJobId) {
+    public BulkSendJobResponse bulkSendJobId(@javax.annotation.Nullable String bulkSendJobId) {
         this.bulkSendJobId = bulkSendJobId;
         return this;
     }
@@ -84,11 +84,11 @@ public String getBulkSendJobId() {
 
     @JsonProperty(JSON_PROPERTY_BULK_SEND_JOB_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setBulkSendJobId(String bulkSendJobId) {
+    public void setBulkSendJobId(@javax.annotation.Nullable String bulkSendJobId) {
         this.bulkSendJobId = bulkSendJobId;
     }
 
-    public BulkSendJobResponse total(Integer total) {
+    public BulkSendJobResponse total(@javax.annotation.Nullable Integer total) {
         this.total = total;
         return this;
     }
@@ -106,11 +106,11 @@ public Integer getTotal() {
 
     @JsonProperty(JSON_PROPERTY_TOTAL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTotal(Integer total) {
+    public void setTotal(@javax.annotation.Nullable Integer total) {
         this.total = total;
     }
 
-    public BulkSendJobResponse isCreator(Boolean isCreator) {
+    public BulkSendJobResponse isCreator(@javax.annotation.Nullable Boolean isCreator) {
         this.isCreator = isCreator;
         return this;
     }
@@ -129,11 +129,11 @@ public Boolean getIsCreator() {
 
     @JsonProperty(JSON_PROPERTY_IS_CREATOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsCreator(Boolean isCreator) {
+    public void setIsCreator(@javax.annotation.Nullable Boolean isCreator) {
         this.isCreator = isCreator;
     }
 
-    public BulkSendJobResponse createdAt(Integer createdAt) {
+    public BulkSendJobResponse createdAt(@javax.annotation.Nullable Integer createdAt) {
         this.createdAt = createdAt;
         return this;
     }
@@ -151,7 +151,7 @@ public Integer getCreatedAt() {
 
     @JsonProperty(JSON_PROPERTY_CREATED_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCreatedAt(Integer createdAt) {
+    public void setCreatedAt(@javax.annotation.Nullable Integer createdAt) {
         this.createdAt = createdAt;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobSendResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobSendResponse.java
index 38e273f63..b59c28092 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobSendResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/BulkSendJobSendResponse.java
@@ -32,14 +32,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class BulkSendJobSendResponse {
     public static final String JSON_PROPERTY_BULK_SEND_JOB = "bulk_send_job";
-    private BulkSendJobResponse bulkSendJob;
+    @javax.annotation.Nonnull private BulkSendJobResponse bulkSendJob;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public BulkSendJobSendResponse() {}
 
@@ -58,7 +58,8 @@ public static BulkSendJobSendResponse init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), BulkSendJobSendResponse.class);
     }
 
-    public BulkSendJobSendResponse bulkSendJob(BulkSendJobResponse bulkSendJob) {
+    public BulkSendJobSendResponse bulkSendJob(
+            @javax.annotation.Nonnull BulkSendJobResponse bulkSendJob) {
         this.bulkSendJob = bulkSendJob;
         return this;
     }
@@ -77,11 +78,12 @@ public BulkSendJobResponse getBulkSendJob() {
 
     @JsonProperty(JSON_PROPERTY_BULK_SEND_JOB)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setBulkSendJob(BulkSendJobResponse bulkSendJob) {
+    public void setBulkSendJob(@javax.annotation.Nonnull BulkSendJobResponse bulkSendJob) {
         this.bulkSendJob = bulkSendJob;
     }
 
-    public BulkSendJobSendResponse warnings(List<WarningResponse> warnings) {
+    public BulkSendJobSendResponse warnings(
+            @javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -107,7 +109,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedEditUrlRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedEditUrlRequest.java
index 1494bf469..e46d30980 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedEditUrlRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedEditUrlRequest.java
@@ -40,38 +40,38 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class EmbeddedEditUrlRequest {
     public static final String JSON_PROPERTY_ALLOW_EDIT_CCS = "allow_edit_ccs";
-    private Boolean allowEditCcs = false;
+    @javax.annotation.Nullable private Boolean allowEditCcs = false;
 
     public static final String JSON_PROPERTY_CC_ROLES = "cc_roles";
-    private List<String> ccRoles = null;
+    @javax.annotation.Nullable private List<String> ccRoles = null;
 
     public static final String JSON_PROPERTY_EDITOR_OPTIONS = "editor_options";
-    private SubEditorOptions editorOptions;
+    @javax.annotation.Nullable private SubEditorOptions editorOptions;
 
     public static final String JSON_PROPERTY_FORCE_SIGNER_ROLES = "force_signer_roles";
-    private Boolean forceSignerRoles = false;
+    @javax.annotation.Nullable private Boolean forceSignerRoles = false;
 
     public static final String JSON_PROPERTY_FORCE_SUBJECT_MESSAGE = "force_subject_message";
-    private Boolean forceSubjectMessage = false;
+    @javax.annotation.Nullable private Boolean forceSubjectMessage = false;
 
     public static final String JSON_PROPERTY_MERGE_FIELDS = "merge_fields";
-    private List<SubMergeField> mergeFields = null;
+    @javax.annotation.Nullable private List<SubMergeField> mergeFields = null;
 
     public static final String JSON_PROPERTY_PREVIEW_ONLY = "preview_only";
-    private Boolean previewOnly = false;
+    @javax.annotation.Nullable private Boolean previewOnly = false;
 
     public static final String JSON_PROPERTY_SHOW_PREVIEW = "show_preview";
-    private Boolean showPreview = false;
+    @javax.annotation.Nullable private Boolean showPreview = false;
 
     public static final String JSON_PROPERTY_SHOW_PROGRESS_STEPPER = "show_progress_stepper";
-    private Boolean showProgressStepper = true;
+    @javax.annotation.Nullable private Boolean showProgressStepper = true;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public EmbeddedEditUrlRequest() {}
 
@@ -90,7 +90,7 @@ public static EmbeddedEditUrlRequest init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), EmbeddedEditUrlRequest.class);
     }
 
-    public EmbeddedEditUrlRequest allowEditCcs(Boolean allowEditCcs) {
+    public EmbeddedEditUrlRequest allowEditCcs(@javax.annotation.Nullable Boolean allowEditCcs) {
         this.allowEditCcs = allowEditCcs;
         return this;
     }
@@ -109,11 +109,11 @@ public Boolean getAllowEditCcs() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_EDIT_CCS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowEditCcs(Boolean allowEditCcs) {
+    public void setAllowEditCcs(@javax.annotation.Nullable Boolean allowEditCcs) {
         this.allowEditCcs = allowEditCcs;
     }
 
-    public EmbeddedEditUrlRequest ccRoles(List<String> ccRoles) {
+    public EmbeddedEditUrlRequest ccRoles(@javax.annotation.Nullable List<String> ccRoles) {
         this.ccRoles = ccRoles;
         return this;
     }
@@ -140,11 +140,12 @@ public List<String> getCcRoles() {
 
     @JsonProperty(JSON_PROPERTY_CC_ROLES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcRoles(List<String> ccRoles) {
+    public void setCcRoles(@javax.annotation.Nullable List<String> ccRoles) {
         this.ccRoles = ccRoles;
     }
 
-    public EmbeddedEditUrlRequest editorOptions(SubEditorOptions editorOptions) {
+    public EmbeddedEditUrlRequest editorOptions(
+            @javax.annotation.Nullable SubEditorOptions editorOptions) {
         this.editorOptions = editorOptions;
         return this;
     }
@@ -162,11 +163,12 @@ public SubEditorOptions getEditorOptions() {
 
     @JsonProperty(JSON_PROPERTY_EDITOR_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEditorOptions(SubEditorOptions editorOptions) {
+    public void setEditorOptions(@javax.annotation.Nullable SubEditorOptions editorOptions) {
         this.editorOptions = editorOptions;
     }
 
-    public EmbeddedEditUrlRequest forceSignerRoles(Boolean forceSignerRoles) {
+    public EmbeddedEditUrlRequest forceSignerRoles(
+            @javax.annotation.Nullable Boolean forceSignerRoles) {
         this.forceSignerRoles = forceSignerRoles;
         return this;
     }
@@ -184,11 +186,12 @@ public Boolean getForceSignerRoles() {
 
     @JsonProperty(JSON_PROPERTY_FORCE_SIGNER_ROLES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setForceSignerRoles(Boolean forceSignerRoles) {
+    public void setForceSignerRoles(@javax.annotation.Nullable Boolean forceSignerRoles) {
         this.forceSignerRoles = forceSignerRoles;
     }
 
-    public EmbeddedEditUrlRequest forceSubjectMessage(Boolean forceSubjectMessage) {
+    public EmbeddedEditUrlRequest forceSubjectMessage(
+            @javax.annotation.Nullable Boolean forceSubjectMessage) {
         this.forceSubjectMessage = forceSubjectMessage;
         return this;
     }
@@ -206,11 +209,12 @@ public Boolean getForceSubjectMessage() {
 
     @JsonProperty(JSON_PROPERTY_FORCE_SUBJECT_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setForceSubjectMessage(Boolean forceSubjectMessage) {
+    public void setForceSubjectMessage(@javax.annotation.Nullable Boolean forceSubjectMessage) {
         this.forceSubjectMessage = forceSubjectMessage;
     }
 
-    public EmbeddedEditUrlRequest mergeFields(List<SubMergeField> mergeFields) {
+    public EmbeddedEditUrlRequest mergeFields(
+            @javax.annotation.Nullable List<SubMergeField> mergeFields) {
         this.mergeFields = mergeFields;
         return this;
     }
@@ -238,11 +242,11 @@ public List<SubMergeField> getMergeFields() {
 
     @JsonProperty(JSON_PROPERTY_MERGE_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMergeFields(List<SubMergeField> mergeFields) {
+    public void setMergeFields(@javax.annotation.Nullable List<SubMergeField> mergeFields) {
         this.mergeFields = mergeFields;
     }
 
-    public EmbeddedEditUrlRequest previewOnly(Boolean previewOnly) {
+    public EmbeddedEditUrlRequest previewOnly(@javax.annotation.Nullable Boolean previewOnly) {
         this.previewOnly = previewOnly;
         return this;
     }
@@ -262,11 +266,11 @@ public Boolean getPreviewOnly() {
 
     @JsonProperty(JSON_PROPERTY_PREVIEW_ONLY)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPreviewOnly(Boolean previewOnly) {
+    public void setPreviewOnly(@javax.annotation.Nullable Boolean previewOnly) {
         this.previewOnly = previewOnly;
     }
 
-    public EmbeddedEditUrlRequest showPreview(Boolean showPreview) {
+    public EmbeddedEditUrlRequest showPreview(@javax.annotation.Nullable Boolean showPreview) {
         this.showPreview = showPreview;
         return this;
     }
@@ -284,11 +288,12 @@ public Boolean getShowPreview() {
 
     @JsonProperty(JSON_PROPERTY_SHOW_PREVIEW)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setShowPreview(Boolean showPreview) {
+    public void setShowPreview(@javax.annotation.Nullable Boolean showPreview) {
         this.showPreview = showPreview;
     }
 
-    public EmbeddedEditUrlRequest showProgressStepper(Boolean showProgressStepper) {
+    public EmbeddedEditUrlRequest showProgressStepper(
+            @javax.annotation.Nullable Boolean showProgressStepper) {
         this.showProgressStepper = showProgressStepper;
         return this;
     }
@@ -307,11 +312,11 @@ public Boolean getShowProgressStepper() {
 
     @JsonProperty(JSON_PROPERTY_SHOW_PROGRESS_STEPPER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setShowProgressStepper(Boolean showProgressStepper) {
+    public void setShowProgressStepper(@javax.annotation.Nullable Boolean showProgressStepper) {
         this.showProgressStepper = showProgressStepper;
     }
 
-    public EmbeddedEditUrlRequest testMode(Boolean testMode) {
+    public EmbeddedEditUrlRequest testMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -330,7 +335,7 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedEditUrlResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedEditUrlResponse.java
index a16cac937..30bd517e5 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedEditUrlResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedEditUrlResponse.java
@@ -32,14 +32,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class EmbeddedEditUrlResponse {
     public static final String JSON_PROPERTY_EMBEDDED = "embedded";
-    private EmbeddedEditUrlResponseEmbedded embedded;
+    @javax.annotation.Nonnull private EmbeddedEditUrlResponseEmbedded embedded;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public EmbeddedEditUrlResponse() {}
 
@@ -58,7 +58,8 @@ public static EmbeddedEditUrlResponse init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), EmbeddedEditUrlResponse.class);
     }
 
-    public EmbeddedEditUrlResponse embedded(EmbeddedEditUrlResponseEmbedded embedded) {
+    public EmbeddedEditUrlResponse embedded(
+            @javax.annotation.Nonnull EmbeddedEditUrlResponseEmbedded embedded) {
         this.embedded = embedded;
         return this;
     }
@@ -77,11 +78,12 @@ public EmbeddedEditUrlResponseEmbedded getEmbedded() {
 
     @JsonProperty(JSON_PROPERTY_EMBEDDED)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setEmbedded(EmbeddedEditUrlResponseEmbedded embedded) {
+    public void setEmbedded(@javax.annotation.Nonnull EmbeddedEditUrlResponseEmbedded embedded) {
         this.embedded = embedded;
     }
 
-    public EmbeddedEditUrlResponse warnings(List<WarningResponse> warnings) {
+    public EmbeddedEditUrlResponse warnings(
+            @javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -107,7 +109,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedEditUrlResponseEmbedded.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedEditUrlResponseEmbedded.java
index 7ce01e5f1..92ea6cbe0 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedEditUrlResponseEmbedded.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedEditUrlResponseEmbedded.java
@@ -30,14 +30,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class EmbeddedEditUrlResponseEmbedded {
     public static final String JSON_PROPERTY_EDIT_URL = "edit_url";
-    private String editUrl;
+    @javax.annotation.Nullable private String editUrl;
 
     public static final String JSON_PROPERTY_EXPIRES_AT = "expires_at";
-    private Integer expiresAt;
+    @javax.annotation.Nullable private Integer expiresAt;
 
     public EmbeddedEditUrlResponseEmbedded() {}
 
@@ -57,7 +57,7 @@ public static EmbeddedEditUrlResponseEmbedded init(HashMap data) throws Exceptio
                         EmbeddedEditUrlResponseEmbedded.class);
     }
 
-    public EmbeddedEditUrlResponseEmbedded editUrl(String editUrl) {
+    public EmbeddedEditUrlResponseEmbedded editUrl(@javax.annotation.Nullable String editUrl) {
         this.editUrl = editUrl;
         return this;
     }
@@ -75,11 +75,11 @@ public String getEditUrl() {
 
     @JsonProperty(JSON_PROPERTY_EDIT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEditUrl(String editUrl) {
+    public void setEditUrl(@javax.annotation.Nullable String editUrl) {
         this.editUrl = editUrl;
     }
 
-    public EmbeddedEditUrlResponseEmbedded expiresAt(Integer expiresAt) {
+    public EmbeddedEditUrlResponseEmbedded expiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
         return this;
     }
@@ -97,7 +97,7 @@ public Integer getExpiresAt() {
 
     @JsonProperty(JSON_PROPERTY_EXPIRES_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setExpiresAt(Integer expiresAt) {
+    public void setExpiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedSignUrlResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedSignUrlResponse.java
index 7e34d2d2d..a49ec4993 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedSignUrlResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedSignUrlResponse.java
@@ -32,14 +32,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class EmbeddedSignUrlResponse {
     public static final String JSON_PROPERTY_EMBEDDED = "embedded";
-    private EmbeddedSignUrlResponseEmbedded embedded;
+    @javax.annotation.Nonnull private EmbeddedSignUrlResponseEmbedded embedded;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public EmbeddedSignUrlResponse() {}
 
@@ -58,7 +58,8 @@ public static EmbeddedSignUrlResponse init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), EmbeddedSignUrlResponse.class);
     }
 
-    public EmbeddedSignUrlResponse embedded(EmbeddedSignUrlResponseEmbedded embedded) {
+    public EmbeddedSignUrlResponse embedded(
+            @javax.annotation.Nonnull EmbeddedSignUrlResponseEmbedded embedded) {
         this.embedded = embedded;
         return this;
     }
@@ -77,11 +78,12 @@ public EmbeddedSignUrlResponseEmbedded getEmbedded() {
 
     @JsonProperty(JSON_PROPERTY_EMBEDDED)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setEmbedded(EmbeddedSignUrlResponseEmbedded embedded) {
+    public void setEmbedded(@javax.annotation.Nonnull EmbeddedSignUrlResponseEmbedded embedded) {
         this.embedded = embedded;
     }
 
-    public EmbeddedSignUrlResponse warnings(List<WarningResponse> warnings) {
+    public EmbeddedSignUrlResponse warnings(
+            @javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -107,7 +109,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedSignUrlResponseEmbedded.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedSignUrlResponseEmbedded.java
index 716bd324d..cb4820ae6 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedSignUrlResponseEmbedded.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/EmbeddedSignUrlResponseEmbedded.java
@@ -30,14 +30,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class EmbeddedSignUrlResponseEmbedded {
     public static final String JSON_PROPERTY_SIGN_URL = "sign_url";
-    private String signUrl;
+    @javax.annotation.Nullable private String signUrl;
 
     public static final String JSON_PROPERTY_EXPIRES_AT = "expires_at";
-    private Integer expiresAt;
+    @javax.annotation.Nullable private Integer expiresAt;
 
     public EmbeddedSignUrlResponseEmbedded() {}
 
@@ -57,7 +57,7 @@ public static EmbeddedSignUrlResponseEmbedded init(HashMap data) throws Exceptio
                         EmbeddedSignUrlResponseEmbedded.class);
     }
 
-    public EmbeddedSignUrlResponseEmbedded signUrl(String signUrl) {
+    public EmbeddedSignUrlResponseEmbedded signUrl(@javax.annotation.Nullable String signUrl) {
         this.signUrl = signUrl;
         return this;
     }
@@ -75,11 +75,11 @@ public String getSignUrl() {
 
     @JsonProperty(JSON_PROPERTY_SIGN_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignUrl(String signUrl) {
+    public void setSignUrl(@javax.annotation.Nullable String signUrl) {
         this.signUrl = signUrl;
     }
 
-    public EmbeddedSignUrlResponseEmbedded expiresAt(Integer expiresAt) {
+    public EmbeddedSignUrlResponseEmbedded expiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
         return this;
     }
@@ -97,7 +97,7 @@ public Integer getExpiresAt() {
 
     @JsonProperty(JSON_PROPERTY_EXPIRES_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setExpiresAt(Integer expiresAt) {
+    public void setExpiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ErrorResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ErrorResponse.java
index 0536233e0..e8d26b220 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ErrorResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ErrorResponse.java
@@ -27,11 +27,11 @@
 @JsonPropertyOrder({ErrorResponse.JSON_PROPERTY_ERROR})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class ErrorResponse {
     public static final String JSON_PROPERTY_ERROR = "error";
-    private ErrorResponseError error;
+    @javax.annotation.Nonnull private ErrorResponseError error;
 
     public ErrorResponse() {}
 
@@ -49,7 +49,7 @@ public static ErrorResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), ErrorResponse.class);
     }
 
-    public ErrorResponse error(ErrorResponseError error) {
+    public ErrorResponse error(@javax.annotation.Nonnull ErrorResponseError error) {
         this.error = error;
         return this;
     }
@@ -68,7 +68,7 @@ public ErrorResponseError getError() {
 
     @JsonProperty(JSON_PROPERTY_ERROR)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setError(ErrorResponseError error) {
+    public void setError(@javax.annotation.Nonnull ErrorResponseError error) {
         this.error = error;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ErrorResponseError.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ErrorResponseError.java
index 613016529..e9624c65f 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ErrorResponseError.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ErrorResponseError.java
@@ -31,17 +31,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class ErrorResponseError {
     public static final String JSON_PROPERTY_ERROR_MSG = "error_msg";
-    private String errorMsg;
+    @javax.annotation.Nonnull private String errorMsg;
 
     public static final String JSON_PROPERTY_ERROR_NAME = "error_name";
-    private String errorName;
+    @javax.annotation.Nonnull private String errorName;
 
     public static final String JSON_PROPERTY_ERROR_PATH = "error_path";
-    private String errorPath;
+    @javax.annotation.Nullable private String errorPath;
 
     public ErrorResponseError() {}
 
@@ -59,7 +59,7 @@ public static ErrorResponseError init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), ErrorResponseError.class);
     }
 
-    public ErrorResponseError errorMsg(String errorMsg) {
+    public ErrorResponseError errorMsg(@javax.annotation.Nonnull String errorMsg) {
         this.errorMsg = errorMsg;
         return this;
     }
@@ -78,11 +78,11 @@ public String getErrorMsg() {
 
     @JsonProperty(JSON_PROPERTY_ERROR_MSG)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setErrorMsg(String errorMsg) {
+    public void setErrorMsg(@javax.annotation.Nonnull String errorMsg) {
         this.errorMsg = errorMsg;
     }
 
-    public ErrorResponseError errorName(String errorName) {
+    public ErrorResponseError errorName(@javax.annotation.Nonnull String errorName) {
         this.errorName = errorName;
         return this;
     }
@@ -101,11 +101,11 @@ public String getErrorName() {
 
     @JsonProperty(JSON_PROPERTY_ERROR_NAME)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setErrorName(String errorName) {
+    public void setErrorName(@javax.annotation.Nonnull String errorName) {
         this.errorName = errorName;
     }
 
-    public ErrorResponseError errorPath(String errorPath) {
+    public ErrorResponseError errorPath(@javax.annotation.Nullable String errorPath) {
         this.errorPath = errorPath;
         return this;
     }
@@ -123,7 +123,7 @@ public String getErrorPath() {
 
     @JsonProperty(JSON_PROPERTY_ERROR_PATH)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setErrorPath(String errorPath) {
+    public void setErrorPath(@javax.annotation.Nullable String errorPath) {
         this.errorPath = errorPath;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/EventCallbackRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/EventCallbackRequest.java
index 54c98461f..a7c7f100e 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/EventCallbackRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/EventCallbackRequest.java
@@ -32,20 +32,20 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class EventCallbackRequest {
     public static final String JSON_PROPERTY_EVENT = "event";
-    private EventCallbackRequestEvent event;
+    @javax.annotation.Nonnull private EventCallbackRequestEvent event;
 
     public static final String JSON_PROPERTY_ACCOUNT = "account";
-    private AccountResponse account;
+    @javax.annotation.Nullable private AccountResponse account;
 
     public static final String JSON_PROPERTY_SIGNATURE_REQUEST = "signature_request";
-    private SignatureRequestResponse signatureRequest;
+    @javax.annotation.Nullable private SignatureRequestResponse signatureRequest;
 
     public static final String JSON_PROPERTY_TEMPLATE = "template";
-    private TemplateResponse template;
+    @javax.annotation.Nullable private TemplateResponse template;
 
     public EventCallbackRequest() {}
 
@@ -63,7 +63,7 @@ public static EventCallbackRequest init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), EventCallbackRequest.class);
     }
 
-    public EventCallbackRequest event(EventCallbackRequestEvent event) {
+    public EventCallbackRequest event(@javax.annotation.Nonnull EventCallbackRequestEvent event) {
         this.event = event;
         return this;
     }
@@ -82,11 +82,11 @@ public EventCallbackRequestEvent getEvent() {
 
     @JsonProperty(JSON_PROPERTY_EVENT)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setEvent(EventCallbackRequestEvent event) {
+    public void setEvent(@javax.annotation.Nonnull EventCallbackRequestEvent event) {
         this.event = event;
     }
 
-    public EventCallbackRequest account(AccountResponse account) {
+    public EventCallbackRequest account(@javax.annotation.Nullable AccountResponse account) {
         this.account = account;
         return this;
     }
@@ -104,11 +104,12 @@ public AccountResponse getAccount() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccount(AccountResponse account) {
+    public void setAccount(@javax.annotation.Nullable AccountResponse account) {
         this.account = account;
     }
 
-    public EventCallbackRequest signatureRequest(SignatureRequestResponse signatureRequest) {
+    public EventCallbackRequest signatureRequest(
+            @javax.annotation.Nullable SignatureRequestResponse signatureRequest) {
         this.signatureRequest = signatureRequest;
         return this;
     }
@@ -126,11 +127,12 @@ public SignatureRequestResponse getSignatureRequest() {
 
     @JsonProperty(JSON_PROPERTY_SIGNATURE_REQUEST)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignatureRequest(SignatureRequestResponse signatureRequest) {
+    public void setSignatureRequest(
+            @javax.annotation.Nullable SignatureRequestResponse signatureRequest) {
         this.signatureRequest = signatureRequest;
     }
 
-    public EventCallbackRequest template(TemplateResponse template) {
+    public EventCallbackRequest template(@javax.annotation.Nullable TemplateResponse template) {
         this.template = template;
         return this;
     }
@@ -148,7 +150,7 @@ public TemplateResponse getTemplate() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTemplate(TemplateResponse template) {
+    public void setTemplate(@javax.annotation.Nullable TemplateResponse template) {
         this.template = template;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/EventCallbackRequestEvent.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/EventCallbackRequestEvent.java
index a7462562f..a3e999816 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/EventCallbackRequestEvent.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/EventCallbackRequestEvent.java
@@ -34,59 +34,59 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class EventCallbackRequestEvent {
     public static final String JSON_PROPERTY_EVENT_TIME = "event_time";
-    private String eventTime;
+    @javax.annotation.Nonnull private String eventTime;
 
     /** Type of callback event that was triggered. */
     public enum EventTypeEnum {
-        ACCOUNT_CONFIRMED("account_confirmed"),
+        ACCOUNT_CONFIRMED(String.valueOf("account_confirmed")),
 
-        UNKNOWN_ERROR("unknown_error"),
+        UNKNOWN_ERROR(String.valueOf("unknown_error")),
 
-        FILE_ERROR("file_error"),
+        FILE_ERROR(String.valueOf("file_error")),
 
-        SIGN_URL_INVALID("sign_url_invalid"),
+        SIGN_URL_INVALID(String.valueOf("sign_url_invalid")),
 
-        SIGNATURE_REQUEST_VIEWED("signature_request_viewed"),
+        SIGNATURE_REQUEST_VIEWED(String.valueOf("signature_request_viewed")),
 
-        SIGNATURE_REQUEST_SIGNED("signature_request_signed"),
+        SIGNATURE_REQUEST_SIGNED(String.valueOf("signature_request_signed")),
 
-        SIGNATURE_REQUEST_SENT("signature_request_sent"),
+        SIGNATURE_REQUEST_SENT(String.valueOf("signature_request_sent")),
 
-        SIGNATURE_REQUEST_ALL_SIGNED("signature_request_all_signed"),
+        SIGNATURE_REQUEST_ALL_SIGNED(String.valueOf("signature_request_all_signed")),
 
-        SIGNATURE_REQUEST_EMAIL_BOUNCE("signature_request_email_bounce"),
+        SIGNATURE_REQUEST_EMAIL_BOUNCE(String.valueOf("signature_request_email_bounce")),
 
-        SIGNATURE_REQUEST_REMIND("signature_request_remind"),
+        SIGNATURE_REQUEST_REMIND(String.valueOf("signature_request_remind")),
 
-        SIGNATURE_REQUEST_INCOMPLETE_QES("signature_request_incomplete_qes"),
+        SIGNATURE_REQUEST_INCOMPLETE_QES(String.valueOf("signature_request_incomplete_qes")),
 
-        SIGNATURE_REQUEST_DESTROYED("signature_request_destroyed"),
+        SIGNATURE_REQUEST_DESTROYED(String.valueOf("signature_request_destroyed")),
 
-        SIGNATURE_REQUEST_CANCELED("signature_request_canceled"),
+        SIGNATURE_REQUEST_CANCELED(String.valueOf("signature_request_canceled")),
 
-        SIGNATURE_REQUEST_DOWNLOADABLE("signature_request_downloadable"),
+        SIGNATURE_REQUEST_DOWNLOADABLE(String.valueOf("signature_request_downloadable")),
 
-        SIGNATURE_REQUEST_DECLINED("signature_request_declined"),
+        SIGNATURE_REQUEST_DECLINED(String.valueOf("signature_request_declined")),
 
-        SIGNATURE_REQUEST_REASSIGNED("signature_request_reassigned"),
+        SIGNATURE_REQUEST_REASSIGNED(String.valueOf("signature_request_reassigned")),
 
-        SIGNATURE_REQUEST_INVALID("signature_request_invalid"),
+        SIGNATURE_REQUEST_INVALID(String.valueOf("signature_request_invalid")),
 
-        SIGNATURE_REQUEST_PREPARED("signature_request_prepared"),
+        SIGNATURE_REQUEST_PREPARED(String.valueOf("signature_request_prepared")),
 
-        SIGNATURE_REQUEST_EXPIRED("signature_request_expired"),
+        SIGNATURE_REQUEST_EXPIRED(String.valueOf("signature_request_expired")),
 
-        TEMPLATE_CREATED("template_created"),
+        TEMPLATE_CREATED(String.valueOf("template_created")),
 
-        TEMPLATE_ERROR("template_error"),
+        TEMPLATE_ERROR(String.valueOf("template_error")),
 
-        CALLBACK_TEST("callback_test"),
+        CALLBACK_TEST(String.valueOf("callback_test")),
 
-        SIGNATURE_REQUEST_SIGNER_REMOVED("signature_request_signer_removed");
+        SIGNATURE_REQUEST_SIGNER_REMOVED(String.valueOf("signature_request_signer_removed"));
 
         private String value;
 
@@ -116,13 +116,13 @@ public static EventTypeEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_EVENT_TYPE = "event_type";
-    private EventTypeEnum eventType;
+    @javax.annotation.Nonnull private EventTypeEnum eventType;
 
     public static final String JSON_PROPERTY_EVENT_HASH = "event_hash";
-    private String eventHash;
+    @javax.annotation.Nonnull private String eventHash;
 
     public static final String JSON_PROPERTY_EVENT_METADATA = "event_metadata";
-    private EventCallbackRequestEventMetadata eventMetadata;
+    @javax.annotation.Nullable private EventCallbackRequestEventMetadata eventMetadata;
 
     public EventCallbackRequestEvent() {}
 
@@ -142,7 +142,7 @@ public static EventCallbackRequestEvent init(HashMap data) throws Exception {
                         EventCallbackRequestEvent.class);
     }
 
-    public EventCallbackRequestEvent eventTime(String eventTime) {
+    public EventCallbackRequestEvent eventTime(@javax.annotation.Nonnull String eventTime) {
         this.eventTime = eventTime;
         return this;
     }
@@ -161,11 +161,11 @@ public String getEventTime() {
 
     @JsonProperty(JSON_PROPERTY_EVENT_TIME)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setEventTime(String eventTime) {
+    public void setEventTime(@javax.annotation.Nonnull String eventTime) {
         this.eventTime = eventTime;
     }
 
-    public EventCallbackRequestEvent eventType(EventTypeEnum eventType) {
+    public EventCallbackRequestEvent eventType(@javax.annotation.Nonnull EventTypeEnum eventType) {
         this.eventType = eventType;
         return this;
     }
@@ -184,11 +184,11 @@ public EventTypeEnum getEventType() {
 
     @JsonProperty(JSON_PROPERTY_EVENT_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setEventType(EventTypeEnum eventType) {
+    public void setEventType(@javax.annotation.Nonnull EventTypeEnum eventType) {
         this.eventType = eventType;
     }
 
-    public EventCallbackRequestEvent eventHash(String eventHash) {
+    public EventCallbackRequestEvent eventHash(@javax.annotation.Nonnull String eventHash) {
         this.eventHash = eventHash;
         return this;
     }
@@ -207,12 +207,12 @@ public String getEventHash() {
 
     @JsonProperty(JSON_PROPERTY_EVENT_HASH)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setEventHash(String eventHash) {
+    public void setEventHash(@javax.annotation.Nonnull String eventHash) {
         this.eventHash = eventHash;
     }
 
     public EventCallbackRequestEvent eventMetadata(
-            EventCallbackRequestEventMetadata eventMetadata) {
+            @javax.annotation.Nullable EventCallbackRequestEventMetadata eventMetadata) {
         this.eventMetadata = eventMetadata;
         return this;
     }
@@ -230,7 +230,8 @@ public EventCallbackRequestEventMetadata getEventMetadata() {
 
     @JsonProperty(JSON_PROPERTY_EVENT_METADATA)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEventMetadata(EventCallbackRequestEventMetadata eventMetadata) {
+    public void setEventMetadata(
+            @javax.annotation.Nullable EventCallbackRequestEventMetadata eventMetadata) {
         this.eventMetadata = eventMetadata;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/EventCallbackRequestEventMetadata.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/EventCallbackRequestEventMetadata.java
index e92975e77..453c6a291 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/EventCallbackRequestEventMetadata.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/EventCallbackRequestEventMetadata.java
@@ -32,20 +32,20 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class EventCallbackRequestEventMetadata {
     public static final String JSON_PROPERTY_RELATED_SIGNATURE_ID = "related_signature_id";
-    private String relatedSignatureId;
+    @javax.annotation.Nullable private String relatedSignatureId;
 
     public static final String JSON_PROPERTY_REPORTED_FOR_ACCOUNT_ID = "reported_for_account_id";
-    private String reportedForAccountId;
+    @javax.annotation.Nullable private String reportedForAccountId;
 
     public static final String JSON_PROPERTY_REPORTED_FOR_APP_ID = "reported_for_app_id";
-    private String reportedForAppId;
+    @javax.annotation.Nullable private String reportedForAppId;
 
     public static final String JSON_PROPERTY_EVENT_MESSAGE = "event_message";
-    private String eventMessage;
+    @javax.annotation.Nullable private String eventMessage;
 
     public EventCallbackRequestEventMetadata() {}
 
@@ -65,7 +65,8 @@ public static EventCallbackRequestEventMetadata init(HashMap data) throws Except
                         EventCallbackRequestEventMetadata.class);
     }
 
-    public EventCallbackRequestEventMetadata relatedSignatureId(String relatedSignatureId) {
+    public EventCallbackRequestEventMetadata relatedSignatureId(
+            @javax.annotation.Nullable String relatedSignatureId) {
         this.relatedSignatureId = relatedSignatureId;
         return this;
     }
@@ -84,11 +85,12 @@ public String getRelatedSignatureId() {
 
     @JsonProperty(JSON_PROPERTY_RELATED_SIGNATURE_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRelatedSignatureId(String relatedSignatureId) {
+    public void setRelatedSignatureId(@javax.annotation.Nullable String relatedSignatureId) {
         this.relatedSignatureId = relatedSignatureId;
     }
 
-    public EventCallbackRequestEventMetadata reportedForAccountId(String reportedForAccountId) {
+    public EventCallbackRequestEventMetadata reportedForAccountId(
+            @javax.annotation.Nullable String reportedForAccountId) {
         this.reportedForAccountId = reportedForAccountId;
         return this;
     }
@@ -106,11 +108,12 @@ public String getReportedForAccountId() {
 
     @JsonProperty(JSON_PROPERTY_REPORTED_FOR_ACCOUNT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setReportedForAccountId(String reportedForAccountId) {
+    public void setReportedForAccountId(@javax.annotation.Nullable String reportedForAccountId) {
         this.reportedForAccountId = reportedForAccountId;
     }
 
-    public EventCallbackRequestEventMetadata reportedForAppId(String reportedForAppId) {
+    public EventCallbackRequestEventMetadata reportedForAppId(
+            @javax.annotation.Nullable String reportedForAppId) {
         this.reportedForAppId = reportedForAppId;
         return this;
     }
@@ -128,11 +131,12 @@ public String getReportedForAppId() {
 
     @JsonProperty(JSON_PROPERTY_REPORTED_FOR_APP_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setReportedForAppId(String reportedForAppId) {
+    public void setReportedForAppId(@javax.annotation.Nullable String reportedForAppId) {
         this.reportedForAppId = reportedForAppId;
     }
 
-    public EventCallbackRequestEventMetadata eventMessage(String eventMessage) {
+    public EventCallbackRequestEventMetadata eventMessage(
+            @javax.annotation.Nullable String eventMessage) {
         this.eventMessage = eventMessage;
         return this;
     }
@@ -150,7 +154,7 @@ public String getEventMessage() {
 
     @JsonProperty(JSON_PROPERTY_EVENT_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEventMessage(String eventMessage) {
+    public void setEventMessage(@javax.annotation.Nullable String eventMessage) {
         this.eventMessage = eventMessage;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxGetResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxGetResponse.java
index c4f86dd50..8d018468f 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxGetResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxGetResponse.java
@@ -29,14 +29,14 @@
 @JsonPropertyOrder({FaxGetResponse.JSON_PROPERTY_FAX, FaxGetResponse.JSON_PROPERTY_WARNINGS})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class FaxGetResponse {
     public static final String JSON_PROPERTY_FAX = "fax";
-    private FaxResponse fax;
+    @javax.annotation.Nonnull private FaxResponse fax;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public FaxGetResponse() {}
 
@@ -54,7 +54,7 @@ public static FaxGetResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), FaxGetResponse.class);
     }
 
-    public FaxGetResponse fax(FaxResponse fax) {
+    public FaxGetResponse fax(@javax.annotation.Nonnull FaxResponse fax) {
         this.fax = fax;
         return this;
     }
@@ -73,11 +73,11 @@ public FaxResponse getFax() {
 
     @JsonProperty(JSON_PROPERTY_FAX)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setFax(FaxResponse fax) {
+    public void setFax(@javax.annotation.Nonnull FaxResponse fax) {
         this.fax = fax;
     }
 
-    public FaxGetResponse warnings(List<WarningResponse> warnings) {
+    public FaxGetResponse warnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -103,7 +103,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineAddUserRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineAddUserRequest.java
index d86167c2e..c8163b3a1 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineAddUserRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineAddUserRequest.java
@@ -31,17 +31,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class FaxLineAddUserRequest {
     public static final String JSON_PROPERTY_NUMBER = "number";
-    private String number;
+    @javax.annotation.Nonnull private String number;
 
     public static final String JSON_PROPERTY_ACCOUNT_ID = "account_id";
-    private String accountId;
+    @javax.annotation.Nullable private String accountId;
 
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nullable private String emailAddress;
 
     public FaxLineAddUserRequest() {}
 
@@ -60,7 +60,7 @@ public static FaxLineAddUserRequest init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), FaxLineAddUserRequest.class);
     }
 
-    public FaxLineAddUserRequest number(String number) {
+    public FaxLineAddUserRequest number(@javax.annotation.Nonnull String number) {
         this.number = number;
         return this;
     }
@@ -79,11 +79,11 @@ public String getNumber() {
 
     @JsonProperty(JSON_PROPERTY_NUMBER)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setNumber(String number) {
+    public void setNumber(@javax.annotation.Nonnull String number) {
         this.number = number;
     }
 
-    public FaxLineAddUserRequest accountId(String accountId) {
+    public FaxLineAddUserRequest accountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
         return this;
     }
@@ -101,11 +101,11 @@ public String getAccountId() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccountId(String accountId) {
+    public void setAccountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
     }
 
-    public FaxLineAddUserRequest emailAddress(String emailAddress) {
+    public FaxLineAddUserRequest emailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -123,7 +123,7 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineAreaCodeGetResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineAreaCodeGetResponse.java
index 54674a76b..bdf27b0cc 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineAreaCodeGetResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineAreaCodeGetResponse.java
@@ -29,11 +29,11 @@
 @JsonPropertyOrder({FaxLineAreaCodeGetResponse.JSON_PROPERTY_AREA_CODES})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class FaxLineAreaCodeGetResponse {
     public static final String JSON_PROPERTY_AREA_CODES = "area_codes";
-    private List<Integer> areaCodes = new ArrayList<>();
+    @javax.annotation.Nonnull private List<Integer> areaCodes = new ArrayList<>();
 
     public FaxLineAreaCodeGetResponse() {}
 
@@ -53,7 +53,7 @@ public static FaxLineAreaCodeGetResponse init(HashMap data) throws Exception {
                         FaxLineAreaCodeGetResponse.class);
     }
 
-    public FaxLineAreaCodeGetResponse areaCodes(List<Integer> areaCodes) {
+    public FaxLineAreaCodeGetResponse areaCodes(@javax.annotation.Nonnull List<Integer> areaCodes) {
         this.areaCodes = areaCodes;
         return this;
     }
@@ -80,7 +80,7 @@ public List<Integer> getAreaCodes() {
 
     @JsonProperty(JSON_PROPERTY_AREA_CODES)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setAreaCodes(List<Integer> areaCodes) {
+    public void setAreaCodes(@javax.annotation.Nonnull List<Integer> areaCodes) {
         this.areaCodes = areaCodes;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineCreateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineCreateRequest.java
index e75ea0d36..66c469623 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineCreateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineCreateRequest.java
@@ -34,19 +34,19 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class FaxLineCreateRequest {
     public static final String JSON_PROPERTY_AREA_CODE = "area_code";
-    private Integer areaCode;
+    @javax.annotation.Nonnull private Integer areaCode;
 
     /** Country of the area code */
     public enum CountryEnum {
-        CA("CA"),
+        CA(String.valueOf("CA")),
 
-        US("US"),
+        US(String.valueOf("US")),
 
-        UK("UK");
+        UK(String.valueOf("UK"));
 
         private String value;
 
@@ -76,13 +76,13 @@ public static CountryEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_COUNTRY = "country";
-    private CountryEnum country;
+    @javax.annotation.Nonnull private CountryEnum country;
 
     public static final String JSON_PROPERTY_CITY = "city";
-    private String city;
+    @javax.annotation.Nullable private String city;
 
     public static final String JSON_PROPERTY_ACCOUNT_ID = "account_id";
-    private String accountId;
+    @javax.annotation.Nullable private String accountId;
 
     public FaxLineCreateRequest() {}
 
@@ -100,7 +100,7 @@ public static FaxLineCreateRequest init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), FaxLineCreateRequest.class);
     }
 
-    public FaxLineCreateRequest areaCode(Integer areaCode) {
+    public FaxLineCreateRequest areaCode(@javax.annotation.Nonnull Integer areaCode) {
         this.areaCode = areaCode;
         return this;
     }
@@ -119,11 +119,11 @@ public Integer getAreaCode() {
 
     @JsonProperty(JSON_PROPERTY_AREA_CODE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setAreaCode(Integer areaCode) {
+    public void setAreaCode(@javax.annotation.Nonnull Integer areaCode) {
         this.areaCode = areaCode;
     }
 
-    public FaxLineCreateRequest country(CountryEnum country) {
+    public FaxLineCreateRequest country(@javax.annotation.Nonnull CountryEnum country) {
         this.country = country;
         return this;
     }
@@ -142,11 +142,11 @@ public CountryEnum getCountry() {
 
     @JsonProperty(JSON_PROPERTY_COUNTRY)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setCountry(CountryEnum country) {
+    public void setCountry(@javax.annotation.Nonnull CountryEnum country) {
         this.country = country;
     }
 
-    public FaxLineCreateRequest city(String city) {
+    public FaxLineCreateRequest city(@javax.annotation.Nullable String city) {
         this.city = city;
         return this;
     }
@@ -164,11 +164,11 @@ public String getCity() {
 
     @JsonProperty(JSON_PROPERTY_CITY)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCity(String city) {
+    public void setCity(@javax.annotation.Nullable String city) {
         this.city = city;
     }
 
-    public FaxLineCreateRequest accountId(String accountId) {
+    public FaxLineCreateRequest accountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
         return this;
     }
@@ -186,7 +186,7 @@ public String getAccountId() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccountId(String accountId) {
+    public void setAccountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineDeleteRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineDeleteRequest.java
index efd21bff3..37873d146 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineDeleteRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineDeleteRequest.java
@@ -27,11 +27,11 @@
 @JsonPropertyOrder({FaxLineDeleteRequest.JSON_PROPERTY_NUMBER})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class FaxLineDeleteRequest {
     public static final String JSON_PROPERTY_NUMBER = "number";
-    private String number;
+    @javax.annotation.Nonnull private String number;
 
     public FaxLineDeleteRequest() {}
 
@@ -49,7 +49,7 @@ public static FaxLineDeleteRequest init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), FaxLineDeleteRequest.class);
     }
 
-    public FaxLineDeleteRequest number(String number) {
+    public FaxLineDeleteRequest number(@javax.annotation.Nonnull String number) {
         this.number = number;
         return this;
     }
@@ -68,7 +68,7 @@ public String getNumber() {
 
     @JsonProperty(JSON_PROPERTY_NUMBER)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setNumber(String number) {
+    public void setNumber(@javax.annotation.Nonnull String number) {
         this.number = number;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineListResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineListResponse.java
index 9ad984747..9aaf96bdb 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineListResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineListResponse.java
@@ -33,17 +33,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class FaxLineListResponse {
     public static final String JSON_PROPERTY_LIST_INFO = "list_info";
-    private ListInfoResponse listInfo;
+    @javax.annotation.Nonnull private ListInfoResponse listInfo;
 
     public static final String JSON_PROPERTY_FAX_LINES = "fax_lines";
-    private List<FaxLineResponseFaxLine> faxLines = new ArrayList<>();
+    @javax.annotation.Nonnull private List<FaxLineResponseFaxLine> faxLines = new ArrayList<>();
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private WarningResponse warnings;
+    @javax.annotation.Nullable private WarningResponse warnings;
 
     public FaxLineListResponse() {}
 
@@ -61,7 +61,7 @@ public static FaxLineListResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), FaxLineListResponse.class);
     }
 
-    public FaxLineListResponse listInfo(ListInfoResponse listInfo) {
+    public FaxLineListResponse listInfo(@javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
         return this;
     }
@@ -80,11 +80,12 @@ public ListInfoResponse getListInfo() {
 
     @JsonProperty(JSON_PROPERTY_LIST_INFO)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setListInfo(ListInfoResponse listInfo) {
+    public void setListInfo(@javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
     }
 
-    public FaxLineListResponse faxLines(List<FaxLineResponseFaxLine> faxLines) {
+    public FaxLineListResponse faxLines(
+            @javax.annotation.Nonnull List<FaxLineResponseFaxLine> faxLines) {
         this.faxLines = faxLines;
         return this;
     }
@@ -111,11 +112,11 @@ public List<FaxLineResponseFaxLine> getFaxLines() {
 
     @JsonProperty(JSON_PROPERTY_FAX_LINES)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setFaxLines(List<FaxLineResponseFaxLine> faxLines) {
+    public void setFaxLines(@javax.annotation.Nonnull List<FaxLineResponseFaxLine> faxLines) {
         this.faxLines = faxLines;
     }
 
-    public FaxLineListResponse warnings(WarningResponse warnings) {
+    public FaxLineListResponse warnings(@javax.annotation.Nullable WarningResponse warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -133,7 +134,7 @@ public WarningResponse getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(WarningResponse warnings) {
+    public void setWarnings(@javax.annotation.Nullable WarningResponse warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineRemoveUserRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineRemoveUserRequest.java
index 14d15e0bd..9faabb1bf 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineRemoveUserRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineRemoveUserRequest.java
@@ -31,17 +31,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class FaxLineRemoveUserRequest {
     public static final String JSON_PROPERTY_NUMBER = "number";
-    private String number;
+    @javax.annotation.Nonnull private String number;
 
     public static final String JSON_PROPERTY_ACCOUNT_ID = "account_id";
-    private String accountId;
+    @javax.annotation.Nullable private String accountId;
 
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nullable private String emailAddress;
 
     public FaxLineRemoveUserRequest() {}
 
@@ -61,7 +61,7 @@ public static FaxLineRemoveUserRequest init(HashMap data) throws Exception {
                         FaxLineRemoveUserRequest.class);
     }
 
-    public FaxLineRemoveUserRequest number(String number) {
+    public FaxLineRemoveUserRequest number(@javax.annotation.Nonnull String number) {
         this.number = number;
         return this;
     }
@@ -80,11 +80,11 @@ public String getNumber() {
 
     @JsonProperty(JSON_PROPERTY_NUMBER)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setNumber(String number) {
+    public void setNumber(@javax.annotation.Nonnull String number) {
         this.number = number;
     }
 
-    public FaxLineRemoveUserRequest accountId(String accountId) {
+    public FaxLineRemoveUserRequest accountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
         return this;
     }
@@ -102,11 +102,11 @@ public String getAccountId() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccountId(String accountId) {
+    public void setAccountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
     }
 
-    public FaxLineRemoveUserRequest emailAddress(String emailAddress) {
+    public FaxLineRemoveUserRequest emailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -124,7 +124,7 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineResponse.java
index 24837c26f..c982b16ec 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineResponse.java
@@ -27,14 +27,14 @@
 @JsonPropertyOrder({FaxLineResponse.JSON_PROPERTY_FAX_LINE, FaxLineResponse.JSON_PROPERTY_WARNINGS})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class FaxLineResponse {
     public static final String JSON_PROPERTY_FAX_LINE = "fax_line";
-    private FaxLineResponseFaxLine faxLine;
+    @javax.annotation.Nonnull private FaxLineResponseFaxLine faxLine;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private WarningResponse warnings;
+    @javax.annotation.Nullable private WarningResponse warnings;
 
     public FaxLineResponse() {}
 
@@ -52,7 +52,7 @@ public static FaxLineResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), FaxLineResponse.class);
     }
 
-    public FaxLineResponse faxLine(FaxLineResponseFaxLine faxLine) {
+    public FaxLineResponse faxLine(@javax.annotation.Nonnull FaxLineResponseFaxLine faxLine) {
         this.faxLine = faxLine;
         return this;
     }
@@ -71,11 +71,11 @@ public FaxLineResponseFaxLine getFaxLine() {
 
     @JsonProperty(JSON_PROPERTY_FAX_LINE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setFaxLine(FaxLineResponseFaxLine faxLine) {
+    public void setFaxLine(@javax.annotation.Nonnull FaxLineResponseFaxLine faxLine) {
         this.faxLine = faxLine;
     }
 
-    public FaxLineResponse warnings(WarningResponse warnings) {
+    public FaxLineResponse warnings(@javax.annotation.Nullable WarningResponse warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -93,7 +93,7 @@ public WarningResponse getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(WarningResponse warnings) {
+    public void setWarnings(@javax.annotation.Nullable WarningResponse warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineResponseFaxLine.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineResponseFaxLine.java
index 63ef50b37..79e0d943e 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineResponseFaxLine.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxLineResponseFaxLine.java
@@ -34,20 +34,20 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class FaxLineResponseFaxLine {
     public static final String JSON_PROPERTY_NUMBER = "number";
-    private String number;
+    @javax.annotation.Nullable private String number;
 
     public static final String JSON_PROPERTY_CREATED_AT = "created_at";
-    private Integer createdAt;
+    @javax.annotation.Nullable private Integer createdAt;
 
     public static final String JSON_PROPERTY_UPDATED_AT = "updated_at";
-    private Integer updatedAt;
+    @javax.annotation.Nullable private Integer updatedAt;
 
     public static final String JSON_PROPERTY_ACCOUNTS = "accounts";
-    private List<AccountResponse> accounts = null;
+    @javax.annotation.Nullable private List<AccountResponse> accounts = null;
 
     public FaxLineResponseFaxLine() {}
 
@@ -66,7 +66,7 @@ public static FaxLineResponseFaxLine init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), FaxLineResponseFaxLine.class);
     }
 
-    public FaxLineResponseFaxLine number(String number) {
+    public FaxLineResponseFaxLine number(@javax.annotation.Nullable String number) {
         this.number = number;
         return this;
     }
@@ -84,11 +84,11 @@ public String getNumber() {
 
     @JsonProperty(JSON_PROPERTY_NUMBER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setNumber(String number) {
+    public void setNumber(@javax.annotation.Nullable String number) {
         this.number = number;
     }
 
-    public FaxLineResponseFaxLine createdAt(Integer createdAt) {
+    public FaxLineResponseFaxLine createdAt(@javax.annotation.Nullable Integer createdAt) {
         this.createdAt = createdAt;
         return this;
     }
@@ -106,11 +106,11 @@ public Integer getCreatedAt() {
 
     @JsonProperty(JSON_PROPERTY_CREATED_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCreatedAt(Integer createdAt) {
+    public void setCreatedAt(@javax.annotation.Nullable Integer createdAt) {
         this.createdAt = createdAt;
     }
 
-    public FaxLineResponseFaxLine updatedAt(Integer updatedAt) {
+    public FaxLineResponseFaxLine updatedAt(@javax.annotation.Nullable Integer updatedAt) {
         this.updatedAt = updatedAt;
         return this;
     }
@@ -128,11 +128,12 @@ public Integer getUpdatedAt() {
 
     @JsonProperty(JSON_PROPERTY_UPDATED_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setUpdatedAt(Integer updatedAt) {
+    public void setUpdatedAt(@javax.annotation.Nullable Integer updatedAt) {
         this.updatedAt = updatedAt;
     }
 
-    public FaxLineResponseFaxLine accounts(List<AccountResponse> accounts) {
+    public FaxLineResponseFaxLine accounts(
+            @javax.annotation.Nullable List<AccountResponse> accounts) {
         this.accounts = accounts;
         return this;
     }
@@ -158,7 +159,7 @@ public List<AccountResponse> getAccounts() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccounts(List<AccountResponse> accounts) {
+    public void setAccounts(@javax.annotation.Nullable List<AccountResponse> accounts) {
         this.accounts = accounts;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxListResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxListResponse.java
index 7da2189b9..a8f6296b9 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxListResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxListResponse.java
@@ -29,14 +29,14 @@
 @JsonPropertyOrder({FaxListResponse.JSON_PROPERTY_FAXES, FaxListResponse.JSON_PROPERTY_LIST_INFO})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class FaxListResponse {
     public static final String JSON_PROPERTY_FAXES = "faxes";
-    private List<FaxResponse> faxes = new ArrayList<>();
+    @javax.annotation.Nonnull private List<FaxResponse> faxes = new ArrayList<>();
 
     public static final String JSON_PROPERTY_LIST_INFO = "list_info";
-    private ListInfoResponse listInfo;
+    @javax.annotation.Nonnull private ListInfoResponse listInfo;
 
     public FaxListResponse() {}
 
@@ -54,7 +54,7 @@ public static FaxListResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), FaxListResponse.class);
     }
 
-    public FaxListResponse faxes(List<FaxResponse> faxes) {
+    public FaxListResponse faxes(@javax.annotation.Nonnull List<FaxResponse> faxes) {
         this.faxes = faxes;
         return this;
     }
@@ -81,11 +81,11 @@ public List<FaxResponse> getFaxes() {
 
     @JsonProperty(JSON_PROPERTY_FAXES)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setFaxes(List<FaxResponse> faxes) {
+    public void setFaxes(@javax.annotation.Nonnull List<FaxResponse> faxes) {
         this.faxes = faxes;
     }
 
-    public FaxListResponse listInfo(ListInfoResponse listInfo) {
+    public FaxListResponse listInfo(@javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
         return this;
     }
@@ -104,7 +104,7 @@ public ListInfoResponse getListInfo() {
 
     @JsonProperty(JSON_PROPERTY_LIST_INFO)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setListInfo(ListInfoResponse listInfo) {
+    public void setListInfo(@javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxResponse.java
index ebe69e4dc..7ef24b5cc 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxResponse.java
@@ -41,41 +41,43 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class FaxResponse {
     public static final String JSON_PROPERTY_FAX_ID = "fax_id";
-    private String faxId;
+    @javax.annotation.Nonnull private String faxId;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nonnull private String title;
 
     public static final String JSON_PROPERTY_ORIGINAL_TITLE = "original_title";
-    private String originalTitle;
+    @javax.annotation.Nonnull private String originalTitle;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = new HashMap<>();
+    @javax.annotation.Nonnull private Map<String, Object> metadata = new HashMap<>();
 
     public static final String JSON_PROPERTY_CREATED_AT = "created_at";
-    private Integer createdAt;
+    @javax.annotation.Nonnull private Integer createdAt;
 
     public static final String JSON_PROPERTY_SENDER = "sender";
-    private String sender;
+    @javax.annotation.Nonnull private String sender;
 
     public static final String JSON_PROPERTY_FILES_URL = "files_url";
-    private String filesUrl;
+    @javax.annotation.Nonnull private String filesUrl;
 
     public static final String JSON_PROPERTY_TRANSMISSIONS = "transmissions";
+
+    @javax.annotation.Nonnull
     private List<FaxResponseTransmission> transmissions = new ArrayList<>();
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_FINAL_COPY_URI = "final_copy_uri";
-    private String finalCopyUri;
+    @javax.annotation.Nullable private String finalCopyUri;
 
     public FaxResponse() {}
 
@@ -93,7 +95,7 @@ public static FaxResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), FaxResponse.class);
     }
 
-    public FaxResponse faxId(String faxId) {
+    public FaxResponse faxId(@javax.annotation.Nonnull String faxId) {
         this.faxId = faxId;
         return this;
     }
@@ -112,11 +114,11 @@ public String getFaxId() {
 
     @JsonProperty(JSON_PROPERTY_FAX_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setFaxId(String faxId) {
+    public void setFaxId(@javax.annotation.Nonnull String faxId) {
         this.faxId = faxId;
     }
 
-    public FaxResponse title(String title) {
+    public FaxResponse title(@javax.annotation.Nonnull String title) {
         this.title = title;
         return this;
     }
@@ -135,11 +137,11 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nonnull String title) {
         this.title = title;
     }
 
-    public FaxResponse originalTitle(String originalTitle) {
+    public FaxResponse originalTitle(@javax.annotation.Nonnull String originalTitle) {
         this.originalTitle = originalTitle;
         return this;
     }
@@ -158,11 +160,11 @@ public String getOriginalTitle() {
 
     @JsonProperty(JSON_PROPERTY_ORIGINAL_TITLE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setOriginalTitle(String originalTitle) {
+    public void setOriginalTitle(@javax.annotation.Nonnull String originalTitle) {
         this.originalTitle = originalTitle;
     }
 
-    public FaxResponse metadata(Map<String, Object> metadata) {
+    public FaxResponse metadata(@javax.annotation.Nonnull Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -189,11 +191,11 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.ALWAYS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nonnull Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
-    public FaxResponse createdAt(Integer createdAt) {
+    public FaxResponse createdAt(@javax.annotation.Nonnull Integer createdAt) {
         this.createdAt = createdAt;
         return this;
     }
@@ -212,11 +214,11 @@ public Integer getCreatedAt() {
 
     @JsonProperty(JSON_PROPERTY_CREATED_AT)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setCreatedAt(Integer createdAt) {
+    public void setCreatedAt(@javax.annotation.Nonnull Integer createdAt) {
         this.createdAt = createdAt;
     }
 
-    public FaxResponse sender(String sender) {
+    public FaxResponse sender(@javax.annotation.Nonnull String sender) {
         this.sender = sender;
         return this;
     }
@@ -235,11 +237,11 @@ public String getSender() {
 
     @JsonProperty(JSON_PROPERTY_SENDER)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setSender(String sender) {
+    public void setSender(@javax.annotation.Nonnull String sender) {
         this.sender = sender;
     }
 
-    public FaxResponse filesUrl(String filesUrl) {
+    public FaxResponse filesUrl(@javax.annotation.Nonnull String filesUrl) {
         this.filesUrl = filesUrl;
         return this;
     }
@@ -258,11 +260,12 @@ public String getFilesUrl() {
 
     @JsonProperty(JSON_PROPERTY_FILES_URL)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setFilesUrl(String filesUrl) {
+    public void setFilesUrl(@javax.annotation.Nonnull String filesUrl) {
         this.filesUrl = filesUrl;
     }
 
-    public FaxResponse transmissions(List<FaxResponseTransmission> transmissions) {
+    public FaxResponse transmissions(
+            @javax.annotation.Nonnull List<FaxResponseTransmission> transmissions) {
         this.transmissions = transmissions;
         return this;
     }
@@ -289,11 +292,12 @@ public List<FaxResponseTransmission> getTransmissions() {
 
     @JsonProperty(JSON_PROPERTY_TRANSMISSIONS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTransmissions(List<FaxResponseTransmission> transmissions) {
+    public void setTransmissions(
+            @javax.annotation.Nonnull List<FaxResponseTransmission> transmissions) {
         this.transmissions = transmissions;
     }
 
-    public FaxResponse subject(String subject) {
+    public FaxResponse subject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -311,11 +315,11 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public FaxResponse message(String message) {
+    public FaxResponse message(@javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -333,11 +337,11 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public FaxResponse finalCopyUri(String finalCopyUri) {
+    public FaxResponse finalCopyUri(@javax.annotation.Nullable String finalCopyUri) {
         this.finalCopyUri = finalCopyUri;
         return this;
     }
@@ -355,7 +359,7 @@ public String getFinalCopyUri() {
 
     @JsonProperty(JSON_PROPERTY_FINAL_COPY_URI)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFinalCopyUri(String finalCopyUri) {
+    public void setFinalCopyUri(@javax.annotation.Nullable String finalCopyUri) {
         this.finalCopyUri = finalCopyUri;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxResponseTransmission.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxResponseTransmission.java
index 684e2ba86..133bde289 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxResponseTransmission.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxResponseTransmission.java
@@ -33,29 +33,29 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class FaxResponseTransmission {
     public static final String JSON_PROPERTY_RECIPIENT = "recipient";
-    private String recipient;
+    @javax.annotation.Nonnull private String recipient;
 
     /** Fax Transmission Status Code */
     public enum StatusCodeEnum {
-        SUCCESS("success"),
+        SUCCESS(String.valueOf("success")),
 
-        TRANSMITTING("transmitting"),
+        TRANSMITTING(String.valueOf("transmitting")),
 
-        ERROR_COULD_NOT_FAX("error_could_not_fax"),
+        ERROR_COULD_NOT_FAX(String.valueOf("error_could_not_fax")),
 
-        ERROR_UNKNOWN("error_unknown"),
+        ERROR_UNKNOWN(String.valueOf("error_unknown")),
 
-        ERROR_BUSY("error_busy"),
+        ERROR_BUSY(String.valueOf("error_busy")),
 
-        ERROR_NO_ANSWER("error_no_answer"),
+        ERROR_NO_ANSWER(String.valueOf("error_no_answer")),
 
-        ERROR_DISCONNECTED("error_disconnected"),
+        ERROR_DISCONNECTED(String.valueOf("error_disconnected")),
 
-        ERROR_BAD_DESTINATION("error_bad_destination");
+        ERROR_BAD_DESTINATION(String.valueOf("error_bad_destination"));
 
         private String value;
 
@@ -85,10 +85,10 @@ public static StatusCodeEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_STATUS_CODE = "status_code";
-    private StatusCodeEnum statusCode;
+    @javax.annotation.Nonnull private StatusCodeEnum statusCode;
 
     public static final String JSON_PROPERTY_SENT_AT = "sent_at";
-    private Integer sentAt;
+    @javax.annotation.Nullable private Integer sentAt;
 
     public FaxResponseTransmission() {}
 
@@ -107,7 +107,7 @@ public static FaxResponseTransmission init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), FaxResponseTransmission.class);
     }
 
-    public FaxResponseTransmission recipient(String recipient) {
+    public FaxResponseTransmission recipient(@javax.annotation.Nonnull String recipient) {
         this.recipient = recipient;
         return this;
     }
@@ -126,11 +126,11 @@ public String getRecipient() {
 
     @JsonProperty(JSON_PROPERTY_RECIPIENT)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setRecipient(String recipient) {
+    public void setRecipient(@javax.annotation.Nonnull String recipient) {
         this.recipient = recipient;
     }
 
-    public FaxResponseTransmission statusCode(StatusCodeEnum statusCode) {
+    public FaxResponseTransmission statusCode(@javax.annotation.Nonnull StatusCodeEnum statusCode) {
         this.statusCode = statusCode;
         return this;
     }
@@ -149,11 +149,11 @@ public StatusCodeEnum getStatusCode() {
 
     @JsonProperty(JSON_PROPERTY_STATUS_CODE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setStatusCode(StatusCodeEnum statusCode) {
+    public void setStatusCode(@javax.annotation.Nonnull StatusCodeEnum statusCode) {
         this.statusCode = statusCode;
     }
 
-    public FaxResponseTransmission sentAt(Integer sentAt) {
+    public FaxResponseTransmission sentAt(@javax.annotation.Nullable Integer sentAt) {
         this.sentAt = sentAt;
         return this;
     }
@@ -171,7 +171,7 @@ public Integer getSentAt() {
 
     @JsonProperty(JSON_PROPERTY_SENT_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSentAt(Integer sentAt) {
+    public void setSentAt(@javax.annotation.Nullable Integer sentAt) {
         this.sentAt = sentAt;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxSendRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxSendRequest.java
index b668e9ff7..27975b0d3 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxSendRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxSendRequest.java
@@ -40,35 +40,35 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class FaxSendRequest {
     public static final String JSON_PROPERTY_RECIPIENT = "recipient";
-    private String recipient;
+    @javax.annotation.Nonnull private String recipient;
 
     public static final String JSON_PROPERTY_SENDER = "sender";
-    private String sender;
+    @javax.annotation.Nullable private String sender;
 
     public static final String JSON_PROPERTY_FILES = "files";
-    private List<File> files = null;
+    @javax.annotation.Nullable private List<File> files = null;
 
     public static final String JSON_PROPERTY_FILE_URLS = "file_urls";
-    private List<String> fileUrls = null;
+    @javax.annotation.Nullable private List<String> fileUrls = null;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public static final String JSON_PROPERTY_COVER_PAGE_TO = "cover_page_to";
-    private String coverPageTo;
+    @javax.annotation.Nullable private String coverPageTo;
 
     public static final String JSON_PROPERTY_COVER_PAGE_FROM = "cover_page_from";
-    private String coverPageFrom;
+    @javax.annotation.Nullable private String coverPageFrom;
 
     public static final String JSON_PROPERTY_COVER_PAGE_MESSAGE = "cover_page_message";
-    private String coverPageMessage;
+    @javax.annotation.Nullable private String coverPageMessage;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nullable private String title;
 
     public FaxSendRequest() {}
 
@@ -86,7 +86,7 @@ public static FaxSendRequest init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), FaxSendRequest.class);
     }
 
-    public FaxSendRequest recipient(String recipient) {
+    public FaxSendRequest recipient(@javax.annotation.Nonnull String recipient) {
         this.recipient = recipient;
         return this;
     }
@@ -105,11 +105,11 @@ public String getRecipient() {
 
     @JsonProperty(JSON_PROPERTY_RECIPIENT)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setRecipient(String recipient) {
+    public void setRecipient(@javax.annotation.Nonnull String recipient) {
         this.recipient = recipient;
     }
 
-    public FaxSendRequest sender(String sender) {
+    public FaxSendRequest sender(@javax.annotation.Nullable String sender) {
         this.sender = sender;
         return this;
     }
@@ -127,11 +127,11 @@ public String getSender() {
 
     @JsonProperty(JSON_PROPERTY_SENDER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSender(String sender) {
+    public void setSender(@javax.annotation.Nullable String sender) {
         this.sender = sender;
     }
 
-    public FaxSendRequest files(List<File> files) {
+    public FaxSendRequest files(@javax.annotation.Nullable List<File> files) {
         this.files = files;
         return this;
     }
@@ -158,11 +158,11 @@ public List<File> getFiles() {
 
     @JsonProperty(JSON_PROPERTY_FILES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFiles(List<File> files) {
+    public void setFiles(@javax.annotation.Nullable List<File> files) {
         this.files = files;
     }
 
-    public FaxSendRequest fileUrls(List<String> fileUrls) {
+    public FaxSendRequest fileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
         return this;
     }
@@ -189,11 +189,11 @@ public List<String> getFileUrls() {
 
     @JsonProperty(JSON_PROPERTY_FILE_URLS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFileUrls(List<String> fileUrls) {
+    public void setFileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
     }
 
-    public FaxSendRequest testMode(Boolean testMode) {
+    public FaxSendRequest testMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -211,11 +211,11 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public FaxSendRequest coverPageTo(String coverPageTo) {
+    public FaxSendRequest coverPageTo(@javax.annotation.Nullable String coverPageTo) {
         this.coverPageTo = coverPageTo;
         return this;
     }
@@ -233,11 +233,11 @@ public String getCoverPageTo() {
 
     @JsonProperty(JSON_PROPERTY_COVER_PAGE_TO)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCoverPageTo(String coverPageTo) {
+    public void setCoverPageTo(@javax.annotation.Nullable String coverPageTo) {
         this.coverPageTo = coverPageTo;
     }
 
-    public FaxSendRequest coverPageFrom(String coverPageFrom) {
+    public FaxSendRequest coverPageFrom(@javax.annotation.Nullable String coverPageFrom) {
         this.coverPageFrom = coverPageFrom;
         return this;
     }
@@ -255,11 +255,11 @@ public String getCoverPageFrom() {
 
     @JsonProperty(JSON_PROPERTY_COVER_PAGE_FROM)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCoverPageFrom(String coverPageFrom) {
+    public void setCoverPageFrom(@javax.annotation.Nullable String coverPageFrom) {
         this.coverPageFrom = coverPageFrom;
     }
 
-    public FaxSendRequest coverPageMessage(String coverPageMessage) {
+    public FaxSendRequest coverPageMessage(@javax.annotation.Nullable String coverPageMessage) {
         this.coverPageMessage = coverPageMessage;
         return this;
     }
@@ -277,11 +277,11 @@ public String getCoverPageMessage() {
 
     @JsonProperty(JSON_PROPERTY_COVER_PAGE_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCoverPageMessage(String coverPageMessage) {
+    public void setCoverPageMessage(@javax.annotation.Nullable String coverPageMessage) {
         this.coverPageMessage = coverPageMessage;
     }
 
-    public FaxSendRequest title(String title) {
+    public FaxSendRequest title(@javax.annotation.Nullable String title) {
         this.title = title;
         return this;
     }
@@ -299,7 +299,7 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nullable String title) {
         this.title = title;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FileResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FileResponse.java
index 15282d488..c03740895 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FileResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FileResponse.java
@@ -27,14 +27,14 @@
 @JsonPropertyOrder({FileResponse.JSON_PROPERTY_FILE_URL, FileResponse.JSON_PROPERTY_EXPIRES_AT})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class FileResponse {
     public static final String JSON_PROPERTY_FILE_URL = "file_url";
-    private String fileUrl;
+    @javax.annotation.Nonnull private String fileUrl;
 
     public static final String JSON_PROPERTY_EXPIRES_AT = "expires_at";
-    private Integer expiresAt;
+    @javax.annotation.Nonnull private Integer expiresAt;
 
     public FileResponse() {}
 
@@ -52,7 +52,7 @@ public static FileResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), FileResponse.class);
     }
 
-    public FileResponse fileUrl(String fileUrl) {
+    public FileResponse fileUrl(@javax.annotation.Nonnull String fileUrl) {
         this.fileUrl = fileUrl;
         return this;
     }
@@ -71,11 +71,11 @@ public String getFileUrl() {
 
     @JsonProperty(JSON_PROPERTY_FILE_URL)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setFileUrl(String fileUrl) {
+    public void setFileUrl(@javax.annotation.Nonnull String fileUrl) {
         this.fileUrl = fileUrl;
     }
 
-    public FileResponse expiresAt(Integer expiresAt) {
+    public FileResponse expiresAt(@javax.annotation.Nonnull Integer expiresAt) {
         this.expiresAt = expiresAt;
         return this;
     }
@@ -94,7 +94,7 @@ public Integer getExpiresAt() {
 
     @JsonProperty(JSON_PROPERTY_EXPIRES_AT)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setExpiresAt(Integer expiresAt) {
+    public void setExpiresAt(@javax.annotation.Nonnull Integer expiresAt) {
         this.expiresAt = expiresAt;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FileResponseDataUri.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FileResponseDataUri.java
index 995fca5c7..2a27822eb 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FileResponseDataUri.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FileResponseDataUri.java
@@ -27,11 +27,11 @@
 @JsonPropertyOrder({FileResponseDataUri.JSON_PROPERTY_DATA_URI})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class FileResponseDataUri {
     public static final String JSON_PROPERTY_DATA_URI = "data_uri";
-    private String dataUri;
+    @javax.annotation.Nonnull private String dataUri;
 
     public FileResponseDataUri() {}
 
@@ -49,7 +49,7 @@ public static FileResponseDataUri init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), FileResponseDataUri.class);
     }
 
-    public FileResponseDataUri dataUri(String dataUri) {
+    public FileResponseDataUri dataUri(@javax.annotation.Nonnull String dataUri) {
         this.dataUri = dataUri;
         return this;
     }
@@ -68,7 +68,7 @@ public String getDataUri() {
 
     @JsonProperty(JSON_PROPERTY_DATA_URI)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setDataUri(String dataUri) {
+    public void setDataUri(@javax.annotation.Nonnull String dataUri) {
         this.dataUri = dataUri;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ListInfoResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ListInfoResponse.java
index f8647d314..3ed8ddfe5 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ListInfoResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ListInfoResponse.java
@@ -32,20 +32,20 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class ListInfoResponse {
     public static final String JSON_PROPERTY_NUM_PAGES = "num_pages";
-    private Integer numPages;
+    @javax.annotation.Nullable private Integer numPages;
 
     public static final String JSON_PROPERTY_NUM_RESULTS = "num_results";
-    private Integer numResults;
+    @javax.annotation.Nullable private Integer numResults;
 
     public static final String JSON_PROPERTY_PAGE = "page";
-    private Integer page;
+    @javax.annotation.Nullable private Integer page;
 
     public static final String JSON_PROPERTY_PAGE_SIZE = "page_size";
-    private Integer pageSize;
+    @javax.annotation.Nullable private Integer pageSize;
 
     public ListInfoResponse() {}
 
@@ -63,7 +63,7 @@ public static ListInfoResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), ListInfoResponse.class);
     }
 
-    public ListInfoResponse numPages(Integer numPages) {
+    public ListInfoResponse numPages(@javax.annotation.Nullable Integer numPages) {
         this.numPages = numPages;
         return this;
     }
@@ -81,11 +81,11 @@ public Integer getNumPages() {
 
     @JsonProperty(JSON_PROPERTY_NUM_PAGES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setNumPages(Integer numPages) {
+    public void setNumPages(@javax.annotation.Nullable Integer numPages) {
         this.numPages = numPages;
     }
 
-    public ListInfoResponse numResults(Integer numResults) {
+    public ListInfoResponse numResults(@javax.annotation.Nullable Integer numResults) {
         this.numResults = numResults;
         return this;
     }
@@ -103,11 +103,11 @@ public Integer getNumResults() {
 
     @JsonProperty(JSON_PROPERTY_NUM_RESULTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setNumResults(Integer numResults) {
+    public void setNumResults(@javax.annotation.Nullable Integer numResults) {
         this.numResults = numResults;
     }
 
-    public ListInfoResponse page(Integer page) {
+    public ListInfoResponse page(@javax.annotation.Nullable Integer page) {
         this.page = page;
         return this;
     }
@@ -125,11 +125,11 @@ public Integer getPage() {
 
     @JsonProperty(JSON_PROPERTY_PAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPage(Integer page) {
+    public void setPage(@javax.annotation.Nullable Integer page) {
         this.page = page;
     }
 
-    public ListInfoResponse pageSize(Integer pageSize) {
+    public ListInfoResponse pageSize(@javax.annotation.Nullable Integer pageSize) {
         this.pageSize = pageSize;
         return this;
     }
@@ -147,7 +147,7 @@ public Integer getPageSize() {
 
     @JsonProperty(JSON_PROPERTY_PAGE_SIZE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPageSize(Integer pageSize) {
+    public void setPageSize(@javax.annotation.Nullable Integer pageSize) {
         this.pageSize = pageSize;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/OAuthTokenGenerateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/OAuthTokenGenerateRequest.java
index b3dd4a140..5ef1cb685 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/OAuthTokenGenerateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/OAuthTokenGenerateRequest.java
@@ -33,23 +33,23 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class OAuthTokenGenerateRequest {
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nonnull private String clientId;
 
     public static final String JSON_PROPERTY_CLIENT_SECRET = "client_secret";
-    private String clientSecret;
+    @javax.annotation.Nonnull private String clientSecret;
 
     public static final String JSON_PROPERTY_CODE = "code";
-    private String code;
+    @javax.annotation.Nonnull private String code;
 
     public static final String JSON_PROPERTY_GRANT_TYPE = "grant_type";
-    private String grantType = "authorization_code";
+    @javax.annotation.Nonnull private String grantType = "authorization_code";
 
     public static final String JSON_PROPERTY_STATE = "state";
-    private String state;
+    @javax.annotation.Nonnull private String state;
 
     public OAuthTokenGenerateRequest() {}
 
@@ -69,7 +69,7 @@ public static OAuthTokenGenerateRequest init(HashMap data) throws Exception {
                         OAuthTokenGenerateRequest.class);
     }
 
-    public OAuthTokenGenerateRequest clientId(String clientId) {
+    public OAuthTokenGenerateRequest clientId(@javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -88,11 +88,11 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
     }
 
-    public OAuthTokenGenerateRequest clientSecret(String clientSecret) {
+    public OAuthTokenGenerateRequest clientSecret(@javax.annotation.Nonnull String clientSecret) {
         this.clientSecret = clientSecret;
         return this;
     }
@@ -111,11 +111,11 @@ public String getClientSecret() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_SECRET)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setClientSecret(String clientSecret) {
+    public void setClientSecret(@javax.annotation.Nonnull String clientSecret) {
         this.clientSecret = clientSecret;
     }
 
-    public OAuthTokenGenerateRequest code(String code) {
+    public OAuthTokenGenerateRequest code(@javax.annotation.Nonnull String code) {
         this.code = code;
         return this;
     }
@@ -134,11 +134,11 @@ public String getCode() {
 
     @JsonProperty(JSON_PROPERTY_CODE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setCode(String code) {
+    public void setCode(@javax.annotation.Nonnull String code) {
         this.code = code;
     }
 
-    public OAuthTokenGenerateRequest grantType(String grantType) {
+    public OAuthTokenGenerateRequest grantType(@javax.annotation.Nonnull String grantType) {
         this.grantType = grantType;
         return this;
     }
@@ -157,11 +157,11 @@ public String getGrantType() {
 
     @JsonProperty(JSON_PROPERTY_GRANT_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setGrantType(String grantType) {
+    public void setGrantType(@javax.annotation.Nonnull String grantType) {
         this.grantType = grantType;
     }
 
-    public OAuthTokenGenerateRequest state(String state) {
+    public OAuthTokenGenerateRequest state(@javax.annotation.Nonnull String state) {
         this.state = state;
         return this;
     }
@@ -180,7 +180,7 @@ public String getState() {
 
     @JsonProperty(JSON_PROPERTY_STATE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setState(String state) {
+    public void setState(@javax.annotation.Nonnull String state) {
         this.state = state;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/OAuthTokenRefreshRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/OAuthTokenRefreshRequest.java
index 75979827e..d8226d6a7 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/OAuthTokenRefreshRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/OAuthTokenRefreshRequest.java
@@ -32,20 +32,20 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class OAuthTokenRefreshRequest {
     public static final String JSON_PROPERTY_GRANT_TYPE = "grant_type";
-    private String grantType = "refresh_token";
+    @javax.annotation.Nonnull private String grantType = "refresh_token";
 
     public static final String JSON_PROPERTY_REFRESH_TOKEN = "refresh_token";
-    private String refreshToken;
+    @javax.annotation.Nonnull private String refreshToken;
 
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nullable private String clientId;
 
     public static final String JSON_PROPERTY_CLIENT_SECRET = "client_secret";
-    private String clientSecret;
+    @javax.annotation.Nullable private String clientSecret;
 
     public OAuthTokenRefreshRequest() {}
 
@@ -65,7 +65,7 @@ public static OAuthTokenRefreshRequest init(HashMap data) throws Exception {
                         OAuthTokenRefreshRequest.class);
     }
 
-    public OAuthTokenRefreshRequest grantType(String grantType) {
+    public OAuthTokenRefreshRequest grantType(@javax.annotation.Nonnull String grantType) {
         this.grantType = grantType;
         return this;
     }
@@ -84,11 +84,11 @@ public String getGrantType() {
 
     @JsonProperty(JSON_PROPERTY_GRANT_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setGrantType(String grantType) {
+    public void setGrantType(@javax.annotation.Nonnull String grantType) {
         this.grantType = grantType;
     }
 
-    public OAuthTokenRefreshRequest refreshToken(String refreshToken) {
+    public OAuthTokenRefreshRequest refreshToken(@javax.annotation.Nonnull String refreshToken) {
         this.refreshToken = refreshToken;
         return this;
     }
@@ -107,11 +107,11 @@ public String getRefreshToken() {
 
     @JsonProperty(JSON_PROPERTY_REFRESH_TOKEN)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setRefreshToken(String refreshToken) {
+    public void setRefreshToken(@javax.annotation.Nonnull String refreshToken) {
         this.refreshToken = refreshToken;
     }
 
-    public OAuthTokenRefreshRequest clientId(String clientId) {
+    public OAuthTokenRefreshRequest clientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -131,11 +131,11 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
     }
 
-    public OAuthTokenRefreshRequest clientSecret(String clientSecret) {
+    public OAuthTokenRefreshRequest clientSecret(@javax.annotation.Nullable String clientSecret) {
         this.clientSecret = clientSecret;
         return this;
     }
@@ -155,7 +155,7 @@ public String getClientSecret() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_SECRET)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setClientSecret(String clientSecret) {
+    public void setClientSecret(@javax.annotation.Nullable String clientSecret) {
         this.clientSecret = clientSecret;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/OAuthTokenResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/OAuthTokenResponse.java
index f7392f322..278d62579 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/OAuthTokenResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/OAuthTokenResponse.java
@@ -33,23 +33,23 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class OAuthTokenResponse {
     public static final String JSON_PROPERTY_ACCESS_TOKEN = "access_token";
-    private String accessToken;
+    @javax.annotation.Nullable private String accessToken;
 
     public static final String JSON_PROPERTY_TOKEN_TYPE = "token_type";
-    private String tokenType;
+    @javax.annotation.Nullable private String tokenType;
 
     public static final String JSON_PROPERTY_REFRESH_TOKEN = "refresh_token";
-    private String refreshToken;
+    @javax.annotation.Nullable private String refreshToken;
 
     public static final String JSON_PROPERTY_EXPIRES_IN = "expires_in";
-    private Integer expiresIn;
+    @javax.annotation.Nullable private Integer expiresIn;
 
     public static final String JSON_PROPERTY_STATE = "state";
-    private String state;
+    @javax.annotation.Nullable private String state;
 
     public OAuthTokenResponse() {}
 
@@ -67,7 +67,7 @@ public static OAuthTokenResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), OAuthTokenResponse.class);
     }
 
-    public OAuthTokenResponse accessToken(String accessToken) {
+    public OAuthTokenResponse accessToken(@javax.annotation.Nullable String accessToken) {
         this.accessToken = accessToken;
         return this;
     }
@@ -85,11 +85,11 @@ public String getAccessToken() {
 
     @JsonProperty(JSON_PROPERTY_ACCESS_TOKEN)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccessToken(String accessToken) {
+    public void setAccessToken(@javax.annotation.Nullable String accessToken) {
         this.accessToken = accessToken;
     }
 
-    public OAuthTokenResponse tokenType(String tokenType) {
+    public OAuthTokenResponse tokenType(@javax.annotation.Nullable String tokenType) {
         this.tokenType = tokenType;
         return this;
     }
@@ -107,11 +107,11 @@ public String getTokenType() {
 
     @JsonProperty(JSON_PROPERTY_TOKEN_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTokenType(String tokenType) {
+    public void setTokenType(@javax.annotation.Nullable String tokenType) {
         this.tokenType = tokenType;
     }
 
-    public OAuthTokenResponse refreshToken(String refreshToken) {
+    public OAuthTokenResponse refreshToken(@javax.annotation.Nullable String refreshToken) {
         this.refreshToken = refreshToken;
         return this;
     }
@@ -129,11 +129,11 @@ public String getRefreshToken() {
 
     @JsonProperty(JSON_PROPERTY_REFRESH_TOKEN)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRefreshToken(String refreshToken) {
+    public void setRefreshToken(@javax.annotation.Nullable String refreshToken) {
         this.refreshToken = refreshToken;
     }
 
-    public OAuthTokenResponse expiresIn(Integer expiresIn) {
+    public OAuthTokenResponse expiresIn(@javax.annotation.Nullable Integer expiresIn) {
         this.expiresIn = expiresIn;
         return this;
     }
@@ -151,11 +151,11 @@ public Integer getExpiresIn() {
 
     @JsonProperty(JSON_PROPERTY_EXPIRES_IN)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setExpiresIn(Integer expiresIn) {
+    public void setExpiresIn(@javax.annotation.Nullable Integer expiresIn) {
         this.expiresIn = expiresIn;
     }
 
-    public OAuthTokenResponse state(String state) {
+    public OAuthTokenResponse state(@javax.annotation.Nullable String state) {
         this.state = state;
         return this;
     }
@@ -173,7 +173,7 @@ public String getState() {
 
     @JsonProperty(JSON_PROPERTY_STATE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setState(String state) {
+    public void setState(@javax.annotation.Nullable String state) {
         this.state = state;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ReportCreateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ReportCreateRequest.java
index 293fd1568..c5c3fd88f 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ReportCreateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ReportCreateRequest.java
@@ -35,17 +35,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class ReportCreateRequest {
     public static final String JSON_PROPERTY_END_DATE = "end_date";
-    private String endDate;
+    @javax.annotation.Nonnull private String endDate;
 
     /** Gets or Sets reportType */
     public enum ReportTypeEnum {
-        USER_ACTIVITY("user_activity"),
+        USER_ACTIVITY(String.valueOf("user_activity")),
 
-        DOCUMENT_STATUS("document_status");
+        DOCUMENT_STATUS(String.valueOf("document_status"));
 
         private String value;
 
@@ -75,10 +75,10 @@ public static ReportTypeEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_REPORT_TYPE = "report_type";
-    private List<ReportTypeEnum> reportType = new ArrayList<>();
+    @javax.annotation.Nonnull private List<ReportTypeEnum> reportType = new ArrayList<>();
 
     public static final String JSON_PROPERTY_START_DATE = "start_date";
-    private String startDate;
+    @javax.annotation.Nonnull private String startDate;
 
     public ReportCreateRequest() {}
 
@@ -96,7 +96,7 @@ public static ReportCreateRequest init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), ReportCreateRequest.class);
     }
 
-    public ReportCreateRequest endDate(String endDate) {
+    public ReportCreateRequest endDate(@javax.annotation.Nonnull String endDate) {
         this.endDate = endDate;
         return this;
     }
@@ -115,11 +115,12 @@ public String getEndDate() {
 
     @JsonProperty(JSON_PROPERTY_END_DATE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setEndDate(String endDate) {
+    public void setEndDate(@javax.annotation.Nonnull String endDate) {
         this.endDate = endDate;
     }
 
-    public ReportCreateRequest reportType(List<ReportTypeEnum> reportType) {
+    public ReportCreateRequest reportType(
+            @javax.annotation.Nonnull List<ReportTypeEnum> reportType) {
         this.reportType = reportType;
         return this;
     }
@@ -149,11 +150,11 @@ public List<ReportTypeEnum> getReportType() {
 
     @JsonProperty(JSON_PROPERTY_REPORT_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setReportType(List<ReportTypeEnum> reportType) {
+    public void setReportType(@javax.annotation.Nonnull List<ReportTypeEnum> reportType) {
         this.reportType = reportType;
     }
 
-    public ReportCreateRequest startDate(String startDate) {
+    public ReportCreateRequest startDate(@javax.annotation.Nonnull String startDate) {
         this.startDate = startDate;
         return this;
     }
@@ -172,7 +173,7 @@ public String getStartDate() {
 
     @JsonProperty(JSON_PROPERTY_START_DATE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setStartDate(String startDate) {
+    public void setStartDate(@javax.annotation.Nonnull String startDate) {
         this.startDate = startDate;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ReportCreateResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ReportCreateResponse.java
index 526daf04a..70af485a1 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ReportCreateResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ReportCreateResponse.java
@@ -32,14 +32,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class ReportCreateResponse {
     public static final String JSON_PROPERTY_REPORT = "report";
-    private ReportResponse report;
+    @javax.annotation.Nonnull private ReportResponse report;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public ReportCreateResponse() {}
 
@@ -57,7 +57,7 @@ public static ReportCreateResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), ReportCreateResponse.class);
     }
 
-    public ReportCreateResponse report(ReportResponse report) {
+    public ReportCreateResponse report(@javax.annotation.Nonnull ReportResponse report) {
         this.report = report;
         return this;
     }
@@ -76,11 +76,12 @@ public ReportResponse getReport() {
 
     @JsonProperty(JSON_PROPERTY_REPORT)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setReport(ReportResponse report) {
+    public void setReport(@javax.annotation.Nonnull ReportResponse report) {
         this.report = report;
     }
 
-    public ReportCreateResponse warnings(List<WarningResponse> warnings) {
+    public ReportCreateResponse warnings(
+            @javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -106,7 +107,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ReportResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ReportResponse.java
index aec19023a..29d5b88cf 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/ReportResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/ReportResponse.java
@@ -36,23 +36,23 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class ReportResponse {
     public static final String JSON_PROPERTY_SUCCESS = "success";
-    private String success;
+    @javax.annotation.Nullable private String success;
 
     public static final String JSON_PROPERTY_START_DATE = "start_date";
-    private String startDate;
+    @javax.annotation.Nullable private String startDate;
 
     public static final String JSON_PROPERTY_END_DATE = "end_date";
-    private String endDate;
+    @javax.annotation.Nullable private String endDate;
 
     /** Gets or Sets reportType */
     public enum ReportTypeEnum {
-        USER_ACTIVITY("user_activity"),
+        USER_ACTIVITY(String.valueOf("user_activity")),
 
-        DOCUMENT_STATUS("document_status");
+        DOCUMENT_STATUS(String.valueOf("document_status"));
 
         private String value;
 
@@ -82,7 +82,7 @@ public static ReportTypeEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_REPORT_TYPE = "report_type";
-    private List<ReportTypeEnum> reportType = null;
+    @javax.annotation.Nullable private List<ReportTypeEnum> reportType = null;
 
     public ReportResponse() {}
 
@@ -100,7 +100,7 @@ public static ReportResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), ReportResponse.class);
     }
 
-    public ReportResponse success(String success) {
+    public ReportResponse success(@javax.annotation.Nullable String success) {
         this.success = success;
         return this;
     }
@@ -118,11 +118,11 @@ public String getSuccess() {
 
     @JsonProperty(JSON_PROPERTY_SUCCESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSuccess(String success) {
+    public void setSuccess(@javax.annotation.Nullable String success) {
         this.success = success;
     }
 
-    public ReportResponse startDate(String startDate) {
+    public ReportResponse startDate(@javax.annotation.Nullable String startDate) {
         this.startDate = startDate;
         return this;
     }
@@ -140,11 +140,11 @@ public String getStartDate() {
 
     @JsonProperty(JSON_PROPERTY_START_DATE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setStartDate(String startDate) {
+    public void setStartDate(@javax.annotation.Nullable String startDate) {
         this.startDate = startDate;
     }
 
-    public ReportResponse endDate(String endDate) {
+    public ReportResponse endDate(@javax.annotation.Nullable String endDate) {
         this.endDate = endDate;
         return this;
     }
@@ -162,11 +162,11 @@ public String getEndDate() {
 
     @JsonProperty(JSON_PROPERTY_END_DATE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEndDate(String endDate) {
+    public void setEndDate(@javax.annotation.Nullable String endDate) {
         this.endDate = endDate;
     }
 
-    public ReportResponse reportType(List<ReportTypeEnum> reportType) {
+    public ReportResponse reportType(@javax.annotation.Nullable List<ReportTypeEnum> reportType) {
         this.reportType = reportType;
         return this;
     }
@@ -195,7 +195,7 @@ public List<ReportTypeEnum> getReportType() {
 
     @JsonProperty(JSON_PROPERTY_REPORT_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setReportType(List<ReportTypeEnum> reportType) {
+    public void setReportType(@javax.annotation.Nullable List<ReportTypeEnum> reportType) {
         this.reportType = reportType;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestBulkCreateEmbeddedWithTemplateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestBulkCreateEmbeddedWithTemplateRequest.java
index d1d74538d..fda33d504 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestBulkCreateEmbeddedWithTemplateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestBulkCreateEmbeddedWithTemplateRequest.java
@@ -44,47 +44,47 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SignatureRequestBulkCreateEmbeddedWithTemplateRequest {
     public static final String JSON_PROPERTY_TEMPLATE_IDS = "template_ids";
-    private List<String> templateIds = new ArrayList<>();
+    @javax.annotation.Nonnull private List<String> templateIds = new ArrayList<>();
 
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nonnull private String clientId;
 
     public static final String JSON_PROPERTY_SIGNER_FILE = "signer_file";
-    private File signerFile;
+    @javax.annotation.Nullable private File signerFile;
 
     public static final String JSON_PROPERTY_SIGNER_LIST = "signer_list";
-    private List<SubBulkSignerList> signerList = null;
+    @javax.annotation.Nullable private List<SubBulkSignerList> signerList = null;
 
     public static final String JSON_PROPERTY_ALLOW_DECLINE = "allow_decline";
-    private Boolean allowDecline = false;
+    @javax.annotation.Nullable private Boolean allowDecline = false;
 
     public static final String JSON_PROPERTY_CCS = "ccs";
-    private List<SubCC> ccs = null;
+    @javax.annotation.Nullable private List<SubCC> ccs = null;
 
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    private List<SubCustomField> customFields = null;
+    @javax.annotation.Nullable private List<SubCustomField> customFields = null;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_SIGNING_REDIRECT_URL = "signing_redirect_url";
-    private String signingRedirectUrl;
+    @javax.annotation.Nullable private String signingRedirectUrl;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nullable private String title;
 
     public SignatureRequestBulkCreateEmbeddedWithTemplateRequest() {}
 
@@ -108,7 +108,7 @@ public static SignatureRequestBulkCreateEmbeddedWithTemplateRequest init(HashMap
     }
 
     public SignatureRequestBulkCreateEmbeddedWithTemplateRequest templateIds(
-            List<String> templateIds) {
+            @javax.annotation.Nonnull List<String> templateIds) {
         this.templateIds = templateIds;
         return this;
     }
@@ -137,11 +137,12 @@ public List<String> getTemplateIds() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE_IDS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTemplateIds(List<String> templateIds) {
+    public void setTemplateIds(@javax.annotation.Nonnull List<String> templateIds) {
         this.templateIds = templateIds;
     }
 
-    public SignatureRequestBulkCreateEmbeddedWithTemplateRequest clientId(String clientId) {
+    public SignatureRequestBulkCreateEmbeddedWithTemplateRequest clientId(
+            @javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -161,11 +162,12 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
     }
 
-    public SignatureRequestBulkCreateEmbeddedWithTemplateRequest signerFile(File signerFile) {
+    public SignatureRequestBulkCreateEmbeddedWithTemplateRequest signerFile(
+            @javax.annotation.Nullable File signerFile) {
         this.signerFile = signerFile;
         return this;
     }
@@ -200,12 +202,12 @@ public File getSignerFile() {
 
     @JsonProperty(JSON_PROPERTY_SIGNER_FILE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignerFile(File signerFile) {
+    public void setSignerFile(@javax.annotation.Nullable File signerFile) {
         this.signerFile = signerFile;
     }
 
     public SignatureRequestBulkCreateEmbeddedWithTemplateRequest signerList(
-            List<SubBulkSignerList> signerList) {
+            @javax.annotation.Nullable List<SubBulkSignerList> signerList) {
         this.signerList = signerList;
         return this;
     }
@@ -233,12 +235,12 @@ public List<SubBulkSignerList> getSignerList() {
 
     @JsonProperty(JSON_PROPERTY_SIGNER_LIST)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignerList(List<SubBulkSignerList> signerList) {
+    public void setSignerList(@javax.annotation.Nullable List<SubBulkSignerList> signerList) {
         this.signerList = signerList;
     }
 
     public SignatureRequestBulkCreateEmbeddedWithTemplateRequest allowDecline(
-            Boolean allowDecline) {
+            @javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
         return this;
     }
@@ -257,11 +259,12 @@ public Boolean getAllowDecline() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_DECLINE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowDecline(Boolean allowDecline) {
+    public void setAllowDecline(@javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
     }
 
-    public SignatureRequestBulkCreateEmbeddedWithTemplateRequest ccs(List<SubCC> ccs) {
+    public SignatureRequestBulkCreateEmbeddedWithTemplateRequest ccs(
+            @javax.annotation.Nullable List<SubCC> ccs) {
         this.ccs = ccs;
         return this;
     }
@@ -287,12 +290,12 @@ public List<SubCC> getCcs() {
 
     @JsonProperty(JSON_PROPERTY_CCS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcs(List<SubCC> ccs) {
+    public void setCcs(@javax.annotation.Nullable List<SubCC> ccs) {
         this.ccs = ccs;
     }
 
     public SignatureRequestBulkCreateEmbeddedWithTemplateRequest customFields(
-            List<SubCustomField> customFields) {
+            @javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -329,11 +332,12 @@ public List<SubCustomField> getCustomFields() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<SubCustomField> customFields) {
+    public void setCustomFields(@javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
     }
 
-    public SignatureRequestBulkCreateEmbeddedWithTemplateRequest message(String message) {
+    public SignatureRequestBulkCreateEmbeddedWithTemplateRequest message(
+            @javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -351,12 +355,12 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
     public SignatureRequestBulkCreateEmbeddedWithTemplateRequest metadata(
-            Map<String, Object> metadata) {
+            @javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -387,12 +391,12 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
     public SignatureRequestBulkCreateEmbeddedWithTemplateRequest signingRedirectUrl(
-            String signingRedirectUrl) {
+            @javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
         return this;
     }
@@ -410,11 +414,12 @@ public String getSigningRedirectUrl() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_REDIRECT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningRedirectUrl(String signingRedirectUrl) {
+    public void setSigningRedirectUrl(@javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
     }
 
-    public SignatureRequestBulkCreateEmbeddedWithTemplateRequest subject(String subject) {
+    public SignatureRequestBulkCreateEmbeddedWithTemplateRequest subject(
+            @javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -432,11 +437,12 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public SignatureRequestBulkCreateEmbeddedWithTemplateRequest testMode(Boolean testMode) {
+    public SignatureRequestBulkCreateEmbeddedWithTemplateRequest testMode(
+            @javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -455,11 +461,12 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public SignatureRequestBulkCreateEmbeddedWithTemplateRequest title(String title) {
+    public SignatureRequestBulkCreateEmbeddedWithTemplateRequest title(
+            @javax.annotation.Nullable String title) {
         this.title = title;
         return this;
     }
@@ -477,7 +484,7 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nullable String title) {
         this.title = title;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestBulkSendWithTemplateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestBulkSendWithTemplateRequest.java
index 0d61875e3..67ab53ea1 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestBulkSendWithTemplateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestBulkSendWithTemplateRequest.java
@@ -44,47 +44,47 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SignatureRequestBulkSendWithTemplateRequest {
     public static final String JSON_PROPERTY_TEMPLATE_IDS = "template_ids";
-    private List<String> templateIds = new ArrayList<>();
+    @javax.annotation.Nonnull private List<String> templateIds = new ArrayList<>();
 
     public static final String JSON_PROPERTY_SIGNER_FILE = "signer_file";
-    private File signerFile;
+    @javax.annotation.Nullable private File signerFile;
 
     public static final String JSON_PROPERTY_SIGNER_LIST = "signer_list";
-    private List<SubBulkSignerList> signerList = null;
+    @javax.annotation.Nullable private List<SubBulkSignerList> signerList = null;
 
     public static final String JSON_PROPERTY_ALLOW_DECLINE = "allow_decline";
-    private Boolean allowDecline = false;
+    @javax.annotation.Nullable private Boolean allowDecline = false;
 
     public static final String JSON_PROPERTY_CCS = "ccs";
-    private List<SubCC> ccs = null;
+    @javax.annotation.Nullable private List<SubCC> ccs = null;
 
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nullable private String clientId;
 
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    private List<SubCustomField> customFields = null;
+    @javax.annotation.Nullable private List<SubCustomField> customFields = null;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_SIGNING_REDIRECT_URL = "signing_redirect_url";
-    private String signingRedirectUrl;
+    @javax.annotation.Nullable private String signingRedirectUrl;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nullable private String title;
 
     public SignatureRequestBulkSendWithTemplateRequest() {}
 
@@ -106,7 +106,8 @@ public static SignatureRequestBulkSendWithTemplateRequest init(HashMap data) thr
                         SignatureRequestBulkSendWithTemplateRequest.class);
     }
 
-    public SignatureRequestBulkSendWithTemplateRequest templateIds(List<String> templateIds) {
+    public SignatureRequestBulkSendWithTemplateRequest templateIds(
+            @javax.annotation.Nonnull List<String> templateIds) {
         this.templateIds = templateIds;
         return this;
     }
@@ -134,11 +135,12 @@ public List<String> getTemplateIds() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE_IDS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTemplateIds(List<String> templateIds) {
+    public void setTemplateIds(@javax.annotation.Nonnull List<String> templateIds) {
         this.templateIds = templateIds;
     }
 
-    public SignatureRequestBulkSendWithTemplateRequest signerFile(File signerFile) {
+    public SignatureRequestBulkSendWithTemplateRequest signerFile(
+            @javax.annotation.Nullable File signerFile) {
         this.signerFile = signerFile;
         return this;
     }
@@ -173,12 +175,12 @@ public File getSignerFile() {
 
     @JsonProperty(JSON_PROPERTY_SIGNER_FILE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignerFile(File signerFile) {
+    public void setSignerFile(@javax.annotation.Nullable File signerFile) {
         this.signerFile = signerFile;
     }
 
     public SignatureRequestBulkSendWithTemplateRequest signerList(
-            List<SubBulkSignerList> signerList) {
+            @javax.annotation.Nullable List<SubBulkSignerList> signerList) {
         this.signerList = signerList;
         return this;
     }
@@ -206,11 +208,12 @@ public List<SubBulkSignerList> getSignerList() {
 
     @JsonProperty(JSON_PROPERTY_SIGNER_LIST)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignerList(List<SubBulkSignerList> signerList) {
+    public void setSignerList(@javax.annotation.Nullable List<SubBulkSignerList> signerList) {
         this.signerList = signerList;
     }
 
-    public SignatureRequestBulkSendWithTemplateRequest allowDecline(Boolean allowDecline) {
+    public SignatureRequestBulkSendWithTemplateRequest allowDecline(
+            @javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
         return this;
     }
@@ -229,11 +232,12 @@ public Boolean getAllowDecline() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_DECLINE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowDecline(Boolean allowDecline) {
+    public void setAllowDecline(@javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
     }
 
-    public SignatureRequestBulkSendWithTemplateRequest ccs(List<SubCC> ccs) {
+    public SignatureRequestBulkSendWithTemplateRequest ccs(
+            @javax.annotation.Nullable List<SubCC> ccs) {
         this.ccs = ccs;
         return this;
     }
@@ -259,11 +263,12 @@ public List<SubCC> getCcs() {
 
     @JsonProperty(JSON_PROPERTY_CCS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcs(List<SubCC> ccs) {
+    public void setCcs(@javax.annotation.Nullable List<SubCC> ccs) {
         this.ccs = ccs;
     }
 
-    public SignatureRequestBulkSendWithTemplateRequest clientId(String clientId) {
+    public SignatureRequestBulkSendWithTemplateRequest clientId(
+            @javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -282,12 +287,12 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
     }
 
     public SignatureRequestBulkSendWithTemplateRequest customFields(
-            List<SubCustomField> customFields) {
+            @javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -324,11 +329,12 @@ public List<SubCustomField> getCustomFields() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<SubCustomField> customFields) {
+    public void setCustomFields(@javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
     }
 
-    public SignatureRequestBulkSendWithTemplateRequest message(String message) {
+    public SignatureRequestBulkSendWithTemplateRequest message(
+            @javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -346,11 +352,12 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public SignatureRequestBulkSendWithTemplateRequest metadata(Map<String, Object> metadata) {
+    public SignatureRequestBulkSendWithTemplateRequest metadata(
+            @javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -381,12 +388,12 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
     public SignatureRequestBulkSendWithTemplateRequest signingRedirectUrl(
-            String signingRedirectUrl) {
+            @javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
         return this;
     }
@@ -404,11 +411,12 @@ public String getSigningRedirectUrl() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_REDIRECT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningRedirectUrl(String signingRedirectUrl) {
+    public void setSigningRedirectUrl(@javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
     }
 
-    public SignatureRequestBulkSendWithTemplateRequest subject(String subject) {
+    public SignatureRequestBulkSendWithTemplateRequest subject(
+            @javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -426,11 +434,12 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public SignatureRequestBulkSendWithTemplateRequest testMode(Boolean testMode) {
+    public SignatureRequestBulkSendWithTemplateRequest testMode(
+            @javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -449,11 +458,12 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public SignatureRequestBulkSendWithTemplateRequest title(String title) {
+    public SignatureRequestBulkSendWithTemplateRequest title(
+            @javax.annotation.Nullable String title) {
         this.title = title;
         return this;
     }
@@ -471,7 +481,7 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nullable String title) {
         this.title = title;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestCreateEmbeddedRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestCreateEmbeddedRequest.java
index 6652702fb..8e1987c37 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestCreateEmbeddedRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestCreateEmbeddedRequest.java
@@ -55,81 +55,83 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SignatureRequestCreateEmbeddedRequest {
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nonnull private String clientId;
 
     public static final String JSON_PROPERTY_FILES = "files";
-    private List<File> files = null;
+    @javax.annotation.Nullable private List<File> files = null;
 
     public static final String JSON_PROPERTY_FILE_URLS = "file_urls";
-    private List<String> fileUrls = null;
+    @javax.annotation.Nullable private List<String> fileUrls = null;
 
     public static final String JSON_PROPERTY_SIGNERS = "signers";
-    private List<SubSignatureRequestSigner> signers = null;
+    @javax.annotation.Nullable private List<SubSignatureRequestSigner> signers = null;
 
     public static final String JSON_PROPERTY_GROUPED_SIGNERS = "grouped_signers";
-    private List<SubSignatureRequestGroupedSigners> groupedSigners = null;
+
+    @javax.annotation.Nullable private List<SubSignatureRequestGroupedSigners> groupedSigners = null;
 
     public static final String JSON_PROPERTY_ALLOW_DECLINE = "allow_decline";
-    private Boolean allowDecline = false;
+    @javax.annotation.Nullable private Boolean allowDecline = false;
 
     public static final String JSON_PROPERTY_ALLOW_REASSIGN = "allow_reassign";
-    private Boolean allowReassign = false;
+    @javax.annotation.Nullable private Boolean allowReassign = false;
 
     public static final String JSON_PROPERTY_ATTACHMENTS = "attachments";
-    private List<SubAttachment> attachments = null;
+    @javax.annotation.Nullable private List<SubAttachment> attachments = null;
 
     public static final String JSON_PROPERTY_CC_EMAIL_ADDRESSES = "cc_email_addresses";
-    private List<String> ccEmailAddresses = null;
+    @javax.annotation.Nullable private List<String> ccEmailAddresses = null;
 
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    private List<SubCustomField> customFields = null;
+    @javax.annotation.Nullable private List<SubCustomField> customFields = null;
 
     public static final String JSON_PROPERTY_FIELD_OPTIONS = "field_options";
-    private SubFieldOptions fieldOptions;
+    @javax.annotation.Nullable private SubFieldOptions fieldOptions;
 
     public static final String JSON_PROPERTY_FORM_FIELD_GROUPS = "form_field_groups";
-    private List<SubFormFieldGroup> formFieldGroups = null;
+    @javax.annotation.Nullable private List<SubFormFieldGroup> formFieldGroups = null;
 
     public static final String JSON_PROPERTY_FORM_FIELD_RULES = "form_field_rules";
-    private List<SubFormFieldRule> formFieldRules = null;
+    @javax.annotation.Nullable private List<SubFormFieldRule> formFieldRules = null;
 
     public static final String JSON_PROPERTY_FORM_FIELDS_PER_DOCUMENT = "form_fields_per_document";
-    private List<SubFormFieldsPerDocumentBase> formFieldsPerDocument = null;
+
+    @javax.annotation.Nullable private List<SubFormFieldsPerDocumentBase> formFieldsPerDocument = null;
 
     public static final String JSON_PROPERTY_HIDE_TEXT_TAGS = "hide_text_tags";
-    private Boolean hideTextTags = false;
+    @javax.annotation.Nullable private Boolean hideTextTags = false;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_SIGNING_OPTIONS = "signing_options";
-    private SubSigningOptions signingOptions;
+    @javax.annotation.Nullable private SubSigningOptions signingOptions;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nullable private String title;
 
     public static final String JSON_PROPERTY_USE_TEXT_TAGS = "use_text_tags";
-    private Boolean useTextTags = false;
+    @javax.annotation.Nullable private Boolean useTextTags = false;
 
     public static final String JSON_PROPERTY_POPULATE_AUTO_FILL_FIELDS =
             "populate_auto_fill_fields";
-    private Boolean populateAutoFillFields = false;
+    @javax.annotation.Nullable private Boolean populateAutoFillFields = false;
 
     public static final String JSON_PROPERTY_EXPIRES_AT = "expires_at";
-    private Integer expiresAt;
+    @javax.annotation.Nullable private Integer expiresAt;
 
     public SignatureRequestCreateEmbeddedRequest() {}
 
@@ -149,7 +151,8 @@ public static SignatureRequestCreateEmbeddedRequest init(HashMap data) throws Ex
                         SignatureRequestCreateEmbeddedRequest.class);
     }
 
-    public SignatureRequestCreateEmbeddedRequest clientId(String clientId) {
+    public SignatureRequestCreateEmbeddedRequest clientId(
+            @javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -169,11 +172,12 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
     }
 
-    public SignatureRequestCreateEmbeddedRequest files(List<File> files) {
+    public SignatureRequestCreateEmbeddedRequest files(
+            @javax.annotation.Nullable List<File> files) {
         this.files = files;
         return this;
     }
@@ -200,11 +204,12 @@ public List<File> getFiles() {
 
     @JsonProperty(JSON_PROPERTY_FILES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFiles(List<File> files) {
+    public void setFiles(@javax.annotation.Nullable List<File> files) {
         this.files = files;
     }
 
-    public SignatureRequestCreateEmbeddedRequest fileUrls(List<String> fileUrls) {
+    public SignatureRequestCreateEmbeddedRequest fileUrls(
+            @javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
         return this;
     }
@@ -231,11 +236,12 @@ public List<String> getFileUrls() {
 
     @JsonProperty(JSON_PROPERTY_FILE_URLS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFileUrls(List<String> fileUrls) {
+    public void setFileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
     }
 
-    public SignatureRequestCreateEmbeddedRequest signers(List<SubSignatureRequestSigner> signers) {
+    public SignatureRequestCreateEmbeddedRequest signers(
+            @javax.annotation.Nullable List<SubSignatureRequestSigner> signers) {
         this.signers = signers;
         return this;
     }
@@ -263,12 +269,12 @@ public List<SubSignatureRequestSigner> getSigners() {
 
     @JsonProperty(JSON_PROPERTY_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigners(List<SubSignatureRequestSigner> signers) {
+    public void setSigners(@javax.annotation.Nullable List<SubSignatureRequestSigner> signers) {
         this.signers = signers;
     }
 
     public SignatureRequestCreateEmbeddedRequest groupedSigners(
-            List<SubSignatureRequestGroupedSigners> groupedSigners) {
+            @javax.annotation.Nullable List<SubSignatureRequestGroupedSigners> groupedSigners) {
         this.groupedSigners = groupedSigners;
         return this;
     }
@@ -296,11 +302,13 @@ public List<SubSignatureRequestGroupedSigners> getGroupedSigners() {
 
     @JsonProperty(JSON_PROPERTY_GROUPED_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setGroupedSigners(List<SubSignatureRequestGroupedSigners> groupedSigners) {
+    public void setGroupedSigners(
+            @javax.annotation.Nullable List<SubSignatureRequestGroupedSigners> groupedSigners) {
         this.groupedSigners = groupedSigners;
     }
 
-    public SignatureRequestCreateEmbeddedRequest allowDecline(Boolean allowDecline) {
+    public SignatureRequestCreateEmbeddedRequest allowDecline(
+            @javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
         return this;
     }
@@ -319,11 +327,12 @@ public Boolean getAllowDecline() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_DECLINE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowDecline(Boolean allowDecline) {
+    public void setAllowDecline(@javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
     }
 
-    public SignatureRequestCreateEmbeddedRequest allowReassign(Boolean allowReassign) {
+    public SignatureRequestCreateEmbeddedRequest allowReassign(
+            @javax.annotation.Nullable Boolean allowReassign) {
         this.allowReassign = allowReassign;
         return this;
     }
@@ -342,11 +351,12 @@ public Boolean getAllowReassign() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_REASSIGN)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowReassign(Boolean allowReassign) {
+    public void setAllowReassign(@javax.annotation.Nullable Boolean allowReassign) {
         this.allowReassign = allowReassign;
     }
 
-    public SignatureRequestCreateEmbeddedRequest attachments(List<SubAttachment> attachments) {
+    public SignatureRequestCreateEmbeddedRequest attachments(
+            @javax.annotation.Nullable List<SubAttachment> attachments) {
         this.attachments = attachments;
         return this;
     }
@@ -372,11 +382,12 @@ public List<SubAttachment> getAttachments() {
 
     @JsonProperty(JSON_PROPERTY_ATTACHMENTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAttachments(List<SubAttachment> attachments) {
+    public void setAttachments(@javax.annotation.Nullable List<SubAttachment> attachments) {
         this.attachments = attachments;
     }
 
-    public SignatureRequestCreateEmbeddedRequest ccEmailAddresses(List<String> ccEmailAddresses) {
+    public SignatureRequestCreateEmbeddedRequest ccEmailAddresses(
+            @javax.annotation.Nullable List<String> ccEmailAddresses) {
         this.ccEmailAddresses = ccEmailAddresses;
         return this;
     }
@@ -403,11 +414,12 @@ public List<String> getCcEmailAddresses() {
 
     @JsonProperty(JSON_PROPERTY_CC_EMAIL_ADDRESSES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcEmailAddresses(List<String> ccEmailAddresses) {
+    public void setCcEmailAddresses(@javax.annotation.Nullable List<String> ccEmailAddresses) {
         this.ccEmailAddresses = ccEmailAddresses;
     }
 
-    public SignatureRequestCreateEmbeddedRequest customFields(List<SubCustomField> customFields) {
+    public SignatureRequestCreateEmbeddedRequest customFields(
+            @javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -444,11 +456,12 @@ public List<SubCustomField> getCustomFields() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<SubCustomField> customFields) {
+    public void setCustomFields(@javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
     }
 
-    public SignatureRequestCreateEmbeddedRequest fieldOptions(SubFieldOptions fieldOptions) {
+    public SignatureRequestCreateEmbeddedRequest fieldOptions(
+            @javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
         return this;
     }
@@ -466,12 +479,12 @@ public SubFieldOptions getFieldOptions() {
 
     @JsonProperty(JSON_PROPERTY_FIELD_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFieldOptions(SubFieldOptions fieldOptions) {
+    public void setFieldOptions(@javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
     }
 
     public SignatureRequestCreateEmbeddedRequest formFieldGroups(
-            List<SubFormFieldGroup> formFieldGroups) {
+            @javax.annotation.Nullable List<SubFormFieldGroup> formFieldGroups) {
         this.formFieldGroups = formFieldGroups;
         return this;
     }
@@ -501,12 +514,13 @@ public List<SubFormFieldGroup> getFormFieldGroups() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELD_GROUPS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldGroups(List<SubFormFieldGroup> formFieldGroups) {
+    public void setFormFieldGroups(
+            @javax.annotation.Nullable List<SubFormFieldGroup> formFieldGroups) {
         this.formFieldGroups = formFieldGroups;
     }
 
     public SignatureRequestCreateEmbeddedRequest formFieldRules(
-            List<SubFormFieldRule> formFieldRules) {
+            @javax.annotation.Nullable List<SubFormFieldRule> formFieldRules) {
         this.formFieldRules = formFieldRules;
         return this;
     }
@@ -533,12 +547,13 @@ public List<SubFormFieldRule> getFormFieldRules() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELD_RULES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldRules(List<SubFormFieldRule> formFieldRules) {
+    public void setFormFieldRules(
+            @javax.annotation.Nullable List<SubFormFieldRule> formFieldRules) {
         this.formFieldRules = formFieldRules;
     }
 
     public SignatureRequestCreateEmbeddedRequest formFieldsPerDocument(
-            List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
+            @javax.annotation.Nullable List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
         this.formFieldsPerDocument = formFieldsPerDocument;
         return this;
     }
@@ -580,11 +595,13 @@ public List<SubFormFieldsPerDocumentBase> getFormFieldsPerDocument() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELDS_PER_DOCUMENT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldsPerDocument(List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
+    public void setFormFieldsPerDocument(
+            @javax.annotation.Nullable List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
         this.formFieldsPerDocument = formFieldsPerDocument;
     }
 
-    public SignatureRequestCreateEmbeddedRequest hideTextTags(Boolean hideTextTags) {
+    public SignatureRequestCreateEmbeddedRequest hideTextTags(
+            @javax.annotation.Nullable Boolean hideTextTags) {
         this.hideTextTags = hideTextTags;
         return this;
     }
@@ -606,11 +623,12 @@ public Boolean getHideTextTags() {
 
     @JsonProperty(JSON_PROPERTY_HIDE_TEXT_TAGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHideTextTags(Boolean hideTextTags) {
+    public void setHideTextTags(@javax.annotation.Nullable Boolean hideTextTags) {
         this.hideTextTags = hideTextTags;
     }
 
-    public SignatureRequestCreateEmbeddedRequest message(String message) {
+    public SignatureRequestCreateEmbeddedRequest message(
+            @javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -628,11 +646,12 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public SignatureRequestCreateEmbeddedRequest metadata(Map<String, Object> metadata) {
+    public SignatureRequestCreateEmbeddedRequest metadata(
+            @javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -662,11 +681,12 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
-    public SignatureRequestCreateEmbeddedRequest signingOptions(SubSigningOptions signingOptions) {
+    public SignatureRequestCreateEmbeddedRequest signingOptions(
+            @javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
         return this;
     }
@@ -684,11 +704,12 @@ public SubSigningOptions getSigningOptions() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningOptions(SubSigningOptions signingOptions) {
+    public void setSigningOptions(@javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
     }
 
-    public SignatureRequestCreateEmbeddedRequest subject(String subject) {
+    public SignatureRequestCreateEmbeddedRequest subject(
+            @javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -706,11 +727,12 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public SignatureRequestCreateEmbeddedRequest testMode(Boolean testMode) {
+    public SignatureRequestCreateEmbeddedRequest testMode(
+            @javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -729,11 +751,11 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public SignatureRequestCreateEmbeddedRequest title(String title) {
+    public SignatureRequestCreateEmbeddedRequest title(@javax.annotation.Nullable String title) {
         this.title = title;
         return this;
     }
@@ -751,11 +773,12 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nullable String title) {
         this.title = title;
     }
 
-    public SignatureRequestCreateEmbeddedRequest useTextTags(Boolean useTextTags) {
+    public SignatureRequestCreateEmbeddedRequest useTextTags(
+            @javax.annotation.Nullable Boolean useTextTags) {
         this.useTextTags = useTextTags;
         return this;
     }
@@ -775,12 +798,12 @@ public Boolean getUseTextTags() {
 
     @JsonProperty(JSON_PROPERTY_USE_TEXT_TAGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setUseTextTags(Boolean useTextTags) {
+    public void setUseTextTags(@javax.annotation.Nullable Boolean useTextTags) {
         this.useTextTags = useTextTags;
     }
 
     public SignatureRequestCreateEmbeddedRequest populateAutoFillFields(
-            Boolean populateAutoFillFields) {
+            @javax.annotation.Nullable Boolean populateAutoFillFields) {
         this.populateAutoFillFields = populateAutoFillFields;
         return this;
     }
@@ -802,11 +825,13 @@ public Boolean getPopulateAutoFillFields() {
 
     @JsonProperty(JSON_PROPERTY_POPULATE_AUTO_FILL_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPopulateAutoFillFields(Boolean populateAutoFillFields) {
+    public void setPopulateAutoFillFields(
+            @javax.annotation.Nullable Boolean populateAutoFillFields) {
         this.populateAutoFillFields = populateAutoFillFields;
     }
 
-    public SignatureRequestCreateEmbeddedRequest expiresAt(Integer expiresAt) {
+    public SignatureRequestCreateEmbeddedRequest expiresAt(
+            @javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
         return this;
     }
@@ -826,7 +851,7 @@ public Integer getExpiresAt() {
 
     @JsonProperty(JSON_PROPERTY_EXPIRES_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setExpiresAt(Integer expiresAt) {
+    public void setExpiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestCreateEmbeddedWithTemplateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestCreateEmbeddedWithTemplateRequest.java
index 7769adeab..a6b8c00ec 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestCreateEmbeddedWithTemplateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestCreateEmbeddedWithTemplateRequest.java
@@ -46,54 +46,56 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SignatureRequestCreateEmbeddedWithTemplateRequest {
     public static final String JSON_PROPERTY_TEMPLATE_IDS = "template_ids";
-    private List<String> templateIds = new ArrayList<>();
+    @javax.annotation.Nonnull private List<String> templateIds = new ArrayList<>();
 
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nonnull private String clientId;
 
     public static final String JSON_PROPERTY_SIGNERS = "signers";
+
+    @javax.annotation.Nonnull
     private List<SubSignatureRequestTemplateSigner> signers = new ArrayList<>();
 
     public static final String JSON_PROPERTY_ALLOW_DECLINE = "allow_decline";
-    private Boolean allowDecline = false;
+    @javax.annotation.Nullable private Boolean allowDecline = false;
 
     public static final String JSON_PROPERTY_CCS = "ccs";
-    private List<SubCC> ccs = null;
+    @javax.annotation.Nullable private List<SubCC> ccs = null;
 
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    private List<SubCustomField> customFields = null;
+    @javax.annotation.Nullable private List<SubCustomField> customFields = null;
 
     public static final String JSON_PROPERTY_FILES = "files";
-    private List<File> files = null;
+    @javax.annotation.Nullable private List<File> files = null;
 
     public static final String JSON_PROPERTY_FILE_URLS = "file_urls";
-    private List<String> fileUrls = null;
+    @javax.annotation.Nullable private List<String> fileUrls = null;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_SIGNING_OPTIONS = "signing_options";
-    private SubSigningOptions signingOptions;
+    @javax.annotation.Nullable private SubSigningOptions signingOptions;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nullable private String title;
 
     public static final String JSON_PROPERTY_POPULATE_AUTO_FILL_FIELDS =
             "populate_auto_fill_fields";
-    private Boolean populateAutoFillFields = false;
+    @javax.annotation.Nullable private Boolean populateAutoFillFields = false;
 
     public SignatureRequestCreateEmbeddedWithTemplateRequest() {}
 
@@ -116,7 +118,8 @@ public static SignatureRequestCreateEmbeddedWithTemplateRequest init(HashMap dat
                         SignatureRequestCreateEmbeddedWithTemplateRequest.class);
     }
 
-    public SignatureRequestCreateEmbeddedWithTemplateRequest templateIds(List<String> templateIds) {
+    public SignatureRequestCreateEmbeddedWithTemplateRequest templateIds(
+            @javax.annotation.Nonnull List<String> templateIds) {
         this.templateIds = templateIds;
         return this;
     }
@@ -145,11 +148,12 @@ public List<String> getTemplateIds() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE_IDS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTemplateIds(List<String> templateIds) {
+    public void setTemplateIds(@javax.annotation.Nonnull List<String> templateIds) {
         this.templateIds = templateIds;
     }
 
-    public SignatureRequestCreateEmbeddedWithTemplateRequest clientId(String clientId) {
+    public SignatureRequestCreateEmbeddedWithTemplateRequest clientId(
+            @javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -169,12 +173,12 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
     }
 
     public SignatureRequestCreateEmbeddedWithTemplateRequest signers(
-            List<SubSignatureRequestTemplateSigner> signers) {
+            @javax.annotation.Nonnull List<SubSignatureRequestTemplateSigner> signers) {
         this.signers = signers;
         return this;
     }
@@ -202,11 +206,13 @@ public List<SubSignatureRequestTemplateSigner> getSigners() {
 
     @JsonProperty(JSON_PROPERTY_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setSigners(List<SubSignatureRequestTemplateSigner> signers) {
+    public void setSigners(
+            @javax.annotation.Nonnull List<SubSignatureRequestTemplateSigner> signers) {
         this.signers = signers;
     }
 
-    public SignatureRequestCreateEmbeddedWithTemplateRequest allowDecline(Boolean allowDecline) {
+    public SignatureRequestCreateEmbeddedWithTemplateRequest allowDecline(
+            @javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
         return this;
     }
@@ -225,11 +231,12 @@ public Boolean getAllowDecline() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_DECLINE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowDecline(Boolean allowDecline) {
+    public void setAllowDecline(@javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
     }
 
-    public SignatureRequestCreateEmbeddedWithTemplateRequest ccs(List<SubCC> ccs) {
+    public SignatureRequestCreateEmbeddedWithTemplateRequest ccs(
+            @javax.annotation.Nullable List<SubCC> ccs) {
         this.ccs = ccs;
         return this;
     }
@@ -255,12 +262,12 @@ public List<SubCC> getCcs() {
 
     @JsonProperty(JSON_PROPERTY_CCS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcs(List<SubCC> ccs) {
+    public void setCcs(@javax.annotation.Nullable List<SubCC> ccs) {
         this.ccs = ccs;
     }
 
     public SignatureRequestCreateEmbeddedWithTemplateRequest customFields(
-            List<SubCustomField> customFields) {
+            @javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -288,11 +295,12 @@ public List<SubCustomField> getCustomFields() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<SubCustomField> customFields) {
+    public void setCustomFields(@javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
     }
 
-    public SignatureRequestCreateEmbeddedWithTemplateRequest files(List<File> files) {
+    public SignatureRequestCreateEmbeddedWithTemplateRequest files(
+            @javax.annotation.Nullable List<File> files) {
         this.files = files;
         return this;
     }
@@ -319,11 +327,12 @@ public List<File> getFiles() {
 
     @JsonProperty(JSON_PROPERTY_FILES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFiles(List<File> files) {
+    public void setFiles(@javax.annotation.Nullable List<File> files) {
         this.files = files;
     }
 
-    public SignatureRequestCreateEmbeddedWithTemplateRequest fileUrls(List<String> fileUrls) {
+    public SignatureRequestCreateEmbeddedWithTemplateRequest fileUrls(
+            @javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
         return this;
     }
@@ -350,11 +359,12 @@ public List<String> getFileUrls() {
 
     @JsonProperty(JSON_PROPERTY_FILE_URLS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFileUrls(List<String> fileUrls) {
+    public void setFileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
     }
 
-    public SignatureRequestCreateEmbeddedWithTemplateRequest message(String message) {
+    public SignatureRequestCreateEmbeddedWithTemplateRequest message(
+            @javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -372,12 +382,12 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
     public SignatureRequestCreateEmbeddedWithTemplateRequest metadata(
-            Map<String, Object> metadata) {
+            @javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -408,12 +418,12 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
     public SignatureRequestCreateEmbeddedWithTemplateRequest signingOptions(
-            SubSigningOptions signingOptions) {
+            @javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
         return this;
     }
@@ -431,11 +441,12 @@ public SubSigningOptions getSigningOptions() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningOptions(SubSigningOptions signingOptions) {
+    public void setSigningOptions(@javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
     }
 
-    public SignatureRequestCreateEmbeddedWithTemplateRequest subject(String subject) {
+    public SignatureRequestCreateEmbeddedWithTemplateRequest subject(
+            @javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -453,11 +464,12 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public SignatureRequestCreateEmbeddedWithTemplateRequest testMode(Boolean testMode) {
+    public SignatureRequestCreateEmbeddedWithTemplateRequest testMode(
+            @javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -476,11 +488,12 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public SignatureRequestCreateEmbeddedWithTemplateRequest title(String title) {
+    public SignatureRequestCreateEmbeddedWithTemplateRequest title(
+            @javax.annotation.Nullable String title) {
         this.title = title;
         return this;
     }
@@ -498,12 +511,12 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nullable String title) {
         this.title = title;
     }
 
     public SignatureRequestCreateEmbeddedWithTemplateRequest populateAutoFillFields(
-            Boolean populateAutoFillFields) {
+            @javax.annotation.Nullable Boolean populateAutoFillFields) {
         this.populateAutoFillFields = populateAutoFillFields;
         return this;
     }
@@ -525,7 +538,8 @@ public Boolean getPopulateAutoFillFields() {
 
     @JsonProperty(JSON_PROPERTY_POPULATE_AUTO_FILL_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPopulateAutoFillFields(Boolean populateAutoFillFields) {
+    public void setPopulateAutoFillFields(
+            @javax.annotation.Nullable Boolean populateAutoFillFields) {
         this.populateAutoFillFields = populateAutoFillFields;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestEditEmbeddedRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestEditEmbeddedRequest.java
index 6da72cb0f..752946426 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestEditEmbeddedRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestEditEmbeddedRequest.java
@@ -55,81 +55,83 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SignatureRequestEditEmbeddedRequest {
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nonnull private String clientId;
 
     public static final String JSON_PROPERTY_FILES = "files";
-    private List<File> files = null;
+    @javax.annotation.Nullable private List<File> files = null;
 
     public static final String JSON_PROPERTY_FILE_URLS = "file_urls";
-    private List<String> fileUrls = null;
+    @javax.annotation.Nullable private List<String> fileUrls = null;
 
     public static final String JSON_PROPERTY_SIGNERS = "signers";
-    private List<SubSignatureRequestSigner> signers = null;
+    @javax.annotation.Nullable private List<SubSignatureRequestSigner> signers = null;
 
     public static final String JSON_PROPERTY_GROUPED_SIGNERS = "grouped_signers";
-    private List<SubSignatureRequestGroupedSigners> groupedSigners = null;
+
+    @javax.annotation.Nullable private List<SubSignatureRequestGroupedSigners> groupedSigners = null;
 
     public static final String JSON_PROPERTY_ALLOW_DECLINE = "allow_decline";
-    private Boolean allowDecline = false;
+    @javax.annotation.Nullable private Boolean allowDecline = false;
 
     public static final String JSON_PROPERTY_ALLOW_REASSIGN = "allow_reassign";
-    private Boolean allowReassign = false;
+    @javax.annotation.Nullable private Boolean allowReassign = false;
 
     public static final String JSON_PROPERTY_ATTACHMENTS = "attachments";
-    private List<SubAttachment> attachments = null;
+    @javax.annotation.Nullable private List<SubAttachment> attachments = null;
 
     public static final String JSON_PROPERTY_CC_EMAIL_ADDRESSES = "cc_email_addresses";
-    private List<String> ccEmailAddresses = null;
+    @javax.annotation.Nullable private List<String> ccEmailAddresses = null;
 
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    private List<SubCustomField> customFields = null;
+    @javax.annotation.Nullable private List<SubCustomField> customFields = null;
 
     public static final String JSON_PROPERTY_FIELD_OPTIONS = "field_options";
-    private SubFieldOptions fieldOptions;
+    @javax.annotation.Nullable private SubFieldOptions fieldOptions;
 
     public static final String JSON_PROPERTY_FORM_FIELD_GROUPS = "form_field_groups";
-    private List<SubFormFieldGroup> formFieldGroups = null;
+    @javax.annotation.Nullable private List<SubFormFieldGroup> formFieldGroups = null;
 
     public static final String JSON_PROPERTY_FORM_FIELD_RULES = "form_field_rules";
-    private List<SubFormFieldRule> formFieldRules = null;
+    @javax.annotation.Nullable private List<SubFormFieldRule> formFieldRules = null;
 
     public static final String JSON_PROPERTY_FORM_FIELDS_PER_DOCUMENT = "form_fields_per_document";
-    private List<SubFormFieldsPerDocumentBase> formFieldsPerDocument = null;
+
+    @javax.annotation.Nullable private List<SubFormFieldsPerDocumentBase> formFieldsPerDocument = null;
 
     public static final String JSON_PROPERTY_HIDE_TEXT_TAGS = "hide_text_tags";
-    private Boolean hideTextTags = false;
+    @javax.annotation.Nullable private Boolean hideTextTags = false;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_SIGNING_OPTIONS = "signing_options";
-    private SubSigningOptions signingOptions;
+    @javax.annotation.Nullable private SubSigningOptions signingOptions;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nullable private String title;
 
     public static final String JSON_PROPERTY_USE_TEXT_TAGS = "use_text_tags";
-    private Boolean useTextTags = false;
+    @javax.annotation.Nullable private Boolean useTextTags = false;
 
     public static final String JSON_PROPERTY_POPULATE_AUTO_FILL_FIELDS =
             "populate_auto_fill_fields";
-    private Boolean populateAutoFillFields = false;
+    @javax.annotation.Nullable private Boolean populateAutoFillFields = false;
 
     public static final String JSON_PROPERTY_EXPIRES_AT = "expires_at";
-    private Integer expiresAt;
+    @javax.annotation.Nullable private Integer expiresAt;
 
     public SignatureRequestEditEmbeddedRequest() {}
 
@@ -149,7 +151,7 @@ public static SignatureRequestEditEmbeddedRequest init(HashMap data) throws Exce
                         SignatureRequestEditEmbeddedRequest.class);
     }
 
-    public SignatureRequestEditEmbeddedRequest clientId(String clientId) {
+    public SignatureRequestEditEmbeddedRequest clientId(@javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -169,11 +171,11 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
     }
 
-    public SignatureRequestEditEmbeddedRequest files(List<File> files) {
+    public SignatureRequestEditEmbeddedRequest files(@javax.annotation.Nullable List<File> files) {
         this.files = files;
         return this;
     }
@@ -200,11 +202,12 @@ public List<File> getFiles() {
 
     @JsonProperty(JSON_PROPERTY_FILES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFiles(List<File> files) {
+    public void setFiles(@javax.annotation.Nullable List<File> files) {
         this.files = files;
     }
 
-    public SignatureRequestEditEmbeddedRequest fileUrls(List<String> fileUrls) {
+    public SignatureRequestEditEmbeddedRequest fileUrls(
+            @javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
         return this;
     }
@@ -231,11 +234,12 @@ public List<String> getFileUrls() {
 
     @JsonProperty(JSON_PROPERTY_FILE_URLS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFileUrls(List<String> fileUrls) {
+    public void setFileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
     }
 
-    public SignatureRequestEditEmbeddedRequest signers(List<SubSignatureRequestSigner> signers) {
+    public SignatureRequestEditEmbeddedRequest signers(
+            @javax.annotation.Nullable List<SubSignatureRequestSigner> signers) {
         this.signers = signers;
         return this;
     }
@@ -263,12 +267,12 @@ public List<SubSignatureRequestSigner> getSigners() {
 
     @JsonProperty(JSON_PROPERTY_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigners(List<SubSignatureRequestSigner> signers) {
+    public void setSigners(@javax.annotation.Nullable List<SubSignatureRequestSigner> signers) {
         this.signers = signers;
     }
 
     public SignatureRequestEditEmbeddedRequest groupedSigners(
-            List<SubSignatureRequestGroupedSigners> groupedSigners) {
+            @javax.annotation.Nullable List<SubSignatureRequestGroupedSigners> groupedSigners) {
         this.groupedSigners = groupedSigners;
         return this;
     }
@@ -296,11 +300,13 @@ public List<SubSignatureRequestGroupedSigners> getGroupedSigners() {
 
     @JsonProperty(JSON_PROPERTY_GROUPED_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setGroupedSigners(List<SubSignatureRequestGroupedSigners> groupedSigners) {
+    public void setGroupedSigners(
+            @javax.annotation.Nullable List<SubSignatureRequestGroupedSigners> groupedSigners) {
         this.groupedSigners = groupedSigners;
     }
 
-    public SignatureRequestEditEmbeddedRequest allowDecline(Boolean allowDecline) {
+    public SignatureRequestEditEmbeddedRequest allowDecline(
+            @javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
         return this;
     }
@@ -319,11 +325,12 @@ public Boolean getAllowDecline() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_DECLINE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowDecline(Boolean allowDecline) {
+    public void setAllowDecline(@javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
     }
 
-    public SignatureRequestEditEmbeddedRequest allowReassign(Boolean allowReassign) {
+    public SignatureRequestEditEmbeddedRequest allowReassign(
+            @javax.annotation.Nullable Boolean allowReassign) {
         this.allowReassign = allowReassign;
         return this;
     }
@@ -342,11 +349,12 @@ public Boolean getAllowReassign() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_REASSIGN)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowReassign(Boolean allowReassign) {
+    public void setAllowReassign(@javax.annotation.Nullable Boolean allowReassign) {
         this.allowReassign = allowReassign;
     }
 
-    public SignatureRequestEditEmbeddedRequest attachments(List<SubAttachment> attachments) {
+    public SignatureRequestEditEmbeddedRequest attachments(
+            @javax.annotation.Nullable List<SubAttachment> attachments) {
         this.attachments = attachments;
         return this;
     }
@@ -372,11 +380,12 @@ public List<SubAttachment> getAttachments() {
 
     @JsonProperty(JSON_PROPERTY_ATTACHMENTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAttachments(List<SubAttachment> attachments) {
+    public void setAttachments(@javax.annotation.Nullable List<SubAttachment> attachments) {
         this.attachments = attachments;
     }
 
-    public SignatureRequestEditEmbeddedRequest ccEmailAddresses(List<String> ccEmailAddresses) {
+    public SignatureRequestEditEmbeddedRequest ccEmailAddresses(
+            @javax.annotation.Nullable List<String> ccEmailAddresses) {
         this.ccEmailAddresses = ccEmailAddresses;
         return this;
     }
@@ -403,11 +412,12 @@ public List<String> getCcEmailAddresses() {
 
     @JsonProperty(JSON_PROPERTY_CC_EMAIL_ADDRESSES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcEmailAddresses(List<String> ccEmailAddresses) {
+    public void setCcEmailAddresses(@javax.annotation.Nullable List<String> ccEmailAddresses) {
         this.ccEmailAddresses = ccEmailAddresses;
     }
 
-    public SignatureRequestEditEmbeddedRequest customFields(List<SubCustomField> customFields) {
+    public SignatureRequestEditEmbeddedRequest customFields(
+            @javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -444,11 +454,12 @@ public List<SubCustomField> getCustomFields() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<SubCustomField> customFields) {
+    public void setCustomFields(@javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
     }
 
-    public SignatureRequestEditEmbeddedRequest fieldOptions(SubFieldOptions fieldOptions) {
+    public SignatureRequestEditEmbeddedRequest fieldOptions(
+            @javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
         return this;
     }
@@ -466,12 +477,12 @@ public SubFieldOptions getFieldOptions() {
 
     @JsonProperty(JSON_PROPERTY_FIELD_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFieldOptions(SubFieldOptions fieldOptions) {
+    public void setFieldOptions(@javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
     }
 
     public SignatureRequestEditEmbeddedRequest formFieldGroups(
-            List<SubFormFieldGroup> formFieldGroups) {
+            @javax.annotation.Nullable List<SubFormFieldGroup> formFieldGroups) {
         this.formFieldGroups = formFieldGroups;
         return this;
     }
@@ -501,12 +512,13 @@ public List<SubFormFieldGroup> getFormFieldGroups() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELD_GROUPS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldGroups(List<SubFormFieldGroup> formFieldGroups) {
+    public void setFormFieldGroups(
+            @javax.annotation.Nullable List<SubFormFieldGroup> formFieldGroups) {
         this.formFieldGroups = formFieldGroups;
     }
 
     public SignatureRequestEditEmbeddedRequest formFieldRules(
-            List<SubFormFieldRule> formFieldRules) {
+            @javax.annotation.Nullable List<SubFormFieldRule> formFieldRules) {
         this.formFieldRules = formFieldRules;
         return this;
     }
@@ -533,12 +545,13 @@ public List<SubFormFieldRule> getFormFieldRules() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELD_RULES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldRules(List<SubFormFieldRule> formFieldRules) {
+    public void setFormFieldRules(
+            @javax.annotation.Nullable List<SubFormFieldRule> formFieldRules) {
         this.formFieldRules = formFieldRules;
     }
 
     public SignatureRequestEditEmbeddedRequest formFieldsPerDocument(
-            List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
+            @javax.annotation.Nullable List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
         this.formFieldsPerDocument = formFieldsPerDocument;
         return this;
     }
@@ -580,11 +593,13 @@ public List<SubFormFieldsPerDocumentBase> getFormFieldsPerDocument() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELDS_PER_DOCUMENT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldsPerDocument(List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
+    public void setFormFieldsPerDocument(
+            @javax.annotation.Nullable List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
         this.formFieldsPerDocument = formFieldsPerDocument;
     }
 
-    public SignatureRequestEditEmbeddedRequest hideTextTags(Boolean hideTextTags) {
+    public SignatureRequestEditEmbeddedRequest hideTextTags(
+            @javax.annotation.Nullable Boolean hideTextTags) {
         this.hideTextTags = hideTextTags;
         return this;
     }
@@ -606,11 +621,11 @@ public Boolean getHideTextTags() {
 
     @JsonProperty(JSON_PROPERTY_HIDE_TEXT_TAGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHideTextTags(Boolean hideTextTags) {
+    public void setHideTextTags(@javax.annotation.Nullable Boolean hideTextTags) {
         this.hideTextTags = hideTextTags;
     }
 
-    public SignatureRequestEditEmbeddedRequest message(String message) {
+    public SignatureRequestEditEmbeddedRequest message(@javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -628,11 +643,12 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public SignatureRequestEditEmbeddedRequest metadata(Map<String, Object> metadata) {
+    public SignatureRequestEditEmbeddedRequest metadata(
+            @javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -662,11 +678,12 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
-    public SignatureRequestEditEmbeddedRequest signingOptions(SubSigningOptions signingOptions) {
+    public SignatureRequestEditEmbeddedRequest signingOptions(
+            @javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
         return this;
     }
@@ -684,11 +701,11 @@ public SubSigningOptions getSigningOptions() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningOptions(SubSigningOptions signingOptions) {
+    public void setSigningOptions(@javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
     }
 
-    public SignatureRequestEditEmbeddedRequest subject(String subject) {
+    public SignatureRequestEditEmbeddedRequest subject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -706,11 +723,12 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public SignatureRequestEditEmbeddedRequest testMode(Boolean testMode) {
+    public SignatureRequestEditEmbeddedRequest testMode(
+            @javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -729,11 +747,11 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public SignatureRequestEditEmbeddedRequest title(String title) {
+    public SignatureRequestEditEmbeddedRequest title(@javax.annotation.Nullable String title) {
         this.title = title;
         return this;
     }
@@ -751,11 +769,12 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nullable String title) {
         this.title = title;
     }
 
-    public SignatureRequestEditEmbeddedRequest useTextTags(Boolean useTextTags) {
+    public SignatureRequestEditEmbeddedRequest useTextTags(
+            @javax.annotation.Nullable Boolean useTextTags) {
         this.useTextTags = useTextTags;
         return this;
     }
@@ -775,12 +794,12 @@ public Boolean getUseTextTags() {
 
     @JsonProperty(JSON_PROPERTY_USE_TEXT_TAGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setUseTextTags(Boolean useTextTags) {
+    public void setUseTextTags(@javax.annotation.Nullable Boolean useTextTags) {
         this.useTextTags = useTextTags;
     }
 
     public SignatureRequestEditEmbeddedRequest populateAutoFillFields(
-            Boolean populateAutoFillFields) {
+            @javax.annotation.Nullable Boolean populateAutoFillFields) {
         this.populateAutoFillFields = populateAutoFillFields;
         return this;
     }
@@ -802,11 +821,13 @@ public Boolean getPopulateAutoFillFields() {
 
     @JsonProperty(JSON_PROPERTY_POPULATE_AUTO_FILL_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPopulateAutoFillFields(Boolean populateAutoFillFields) {
+    public void setPopulateAutoFillFields(
+            @javax.annotation.Nullable Boolean populateAutoFillFields) {
         this.populateAutoFillFields = populateAutoFillFields;
     }
 
-    public SignatureRequestEditEmbeddedRequest expiresAt(Integer expiresAt) {
+    public SignatureRequestEditEmbeddedRequest expiresAt(
+            @javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
         return this;
     }
@@ -826,7 +847,7 @@ public Integer getExpiresAt() {
 
     @JsonProperty(JSON_PROPERTY_EXPIRES_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setExpiresAt(Integer expiresAt) {
+    public void setExpiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestEditEmbeddedWithTemplateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestEditEmbeddedWithTemplateRequest.java
index 03e4cccf7..6cd3dbed4 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestEditEmbeddedWithTemplateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestEditEmbeddedWithTemplateRequest.java
@@ -46,54 +46,56 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SignatureRequestEditEmbeddedWithTemplateRequest {
     public static final String JSON_PROPERTY_TEMPLATE_IDS = "template_ids";
-    private List<String> templateIds = new ArrayList<>();
+    @javax.annotation.Nonnull private List<String> templateIds = new ArrayList<>();
 
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nonnull private String clientId;
 
     public static final String JSON_PROPERTY_SIGNERS = "signers";
+
+    @javax.annotation.Nonnull
     private List<SubSignatureRequestTemplateSigner> signers = new ArrayList<>();
 
     public static final String JSON_PROPERTY_ALLOW_DECLINE = "allow_decline";
-    private Boolean allowDecline = false;
+    @javax.annotation.Nullable private Boolean allowDecline = false;
 
     public static final String JSON_PROPERTY_CCS = "ccs";
-    private List<SubCC> ccs = null;
+    @javax.annotation.Nullable private List<SubCC> ccs = null;
 
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    private List<SubCustomField> customFields = null;
+    @javax.annotation.Nullable private List<SubCustomField> customFields = null;
 
     public static final String JSON_PROPERTY_FILES = "files";
-    private List<File> files = null;
+    @javax.annotation.Nullable private List<File> files = null;
 
     public static final String JSON_PROPERTY_FILE_URLS = "file_urls";
-    private List<String> fileUrls = null;
+    @javax.annotation.Nullable private List<String> fileUrls = null;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_SIGNING_OPTIONS = "signing_options";
-    private SubSigningOptions signingOptions;
+    @javax.annotation.Nullable private SubSigningOptions signingOptions;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nullable private String title;
 
     public static final String JSON_PROPERTY_POPULATE_AUTO_FILL_FIELDS =
             "populate_auto_fill_fields";
-    private Boolean populateAutoFillFields = false;
+    @javax.annotation.Nullable private Boolean populateAutoFillFields = false;
 
     public SignatureRequestEditEmbeddedWithTemplateRequest() {}
 
@@ -116,7 +118,8 @@ public static SignatureRequestEditEmbeddedWithTemplateRequest init(HashMap data)
                         SignatureRequestEditEmbeddedWithTemplateRequest.class);
     }
 
-    public SignatureRequestEditEmbeddedWithTemplateRequest templateIds(List<String> templateIds) {
+    public SignatureRequestEditEmbeddedWithTemplateRequest templateIds(
+            @javax.annotation.Nonnull List<String> templateIds) {
         this.templateIds = templateIds;
         return this;
     }
@@ -145,11 +148,12 @@ public List<String> getTemplateIds() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE_IDS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTemplateIds(List<String> templateIds) {
+    public void setTemplateIds(@javax.annotation.Nonnull List<String> templateIds) {
         this.templateIds = templateIds;
     }
 
-    public SignatureRequestEditEmbeddedWithTemplateRequest clientId(String clientId) {
+    public SignatureRequestEditEmbeddedWithTemplateRequest clientId(
+            @javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -169,12 +173,12 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
     }
 
     public SignatureRequestEditEmbeddedWithTemplateRequest signers(
-            List<SubSignatureRequestTemplateSigner> signers) {
+            @javax.annotation.Nonnull List<SubSignatureRequestTemplateSigner> signers) {
         this.signers = signers;
         return this;
     }
@@ -202,11 +206,13 @@ public List<SubSignatureRequestTemplateSigner> getSigners() {
 
     @JsonProperty(JSON_PROPERTY_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setSigners(List<SubSignatureRequestTemplateSigner> signers) {
+    public void setSigners(
+            @javax.annotation.Nonnull List<SubSignatureRequestTemplateSigner> signers) {
         this.signers = signers;
     }
 
-    public SignatureRequestEditEmbeddedWithTemplateRequest allowDecline(Boolean allowDecline) {
+    public SignatureRequestEditEmbeddedWithTemplateRequest allowDecline(
+            @javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
         return this;
     }
@@ -225,11 +231,12 @@ public Boolean getAllowDecline() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_DECLINE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowDecline(Boolean allowDecline) {
+    public void setAllowDecline(@javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
     }
 
-    public SignatureRequestEditEmbeddedWithTemplateRequest ccs(List<SubCC> ccs) {
+    public SignatureRequestEditEmbeddedWithTemplateRequest ccs(
+            @javax.annotation.Nullable List<SubCC> ccs) {
         this.ccs = ccs;
         return this;
     }
@@ -255,12 +262,12 @@ public List<SubCC> getCcs() {
 
     @JsonProperty(JSON_PROPERTY_CCS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcs(List<SubCC> ccs) {
+    public void setCcs(@javax.annotation.Nullable List<SubCC> ccs) {
         this.ccs = ccs;
     }
 
     public SignatureRequestEditEmbeddedWithTemplateRequest customFields(
-            List<SubCustomField> customFields) {
+            @javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -288,11 +295,12 @@ public List<SubCustomField> getCustomFields() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<SubCustomField> customFields) {
+    public void setCustomFields(@javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
     }
 
-    public SignatureRequestEditEmbeddedWithTemplateRequest files(List<File> files) {
+    public SignatureRequestEditEmbeddedWithTemplateRequest files(
+            @javax.annotation.Nullable List<File> files) {
         this.files = files;
         return this;
     }
@@ -319,11 +327,12 @@ public List<File> getFiles() {
 
     @JsonProperty(JSON_PROPERTY_FILES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFiles(List<File> files) {
+    public void setFiles(@javax.annotation.Nullable List<File> files) {
         this.files = files;
     }
 
-    public SignatureRequestEditEmbeddedWithTemplateRequest fileUrls(List<String> fileUrls) {
+    public SignatureRequestEditEmbeddedWithTemplateRequest fileUrls(
+            @javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
         return this;
     }
@@ -350,11 +359,12 @@ public List<String> getFileUrls() {
 
     @JsonProperty(JSON_PROPERTY_FILE_URLS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFileUrls(List<String> fileUrls) {
+    public void setFileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
     }
 
-    public SignatureRequestEditEmbeddedWithTemplateRequest message(String message) {
+    public SignatureRequestEditEmbeddedWithTemplateRequest message(
+            @javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -372,11 +382,12 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public SignatureRequestEditEmbeddedWithTemplateRequest metadata(Map<String, Object> metadata) {
+    public SignatureRequestEditEmbeddedWithTemplateRequest metadata(
+            @javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -407,12 +418,12 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
     public SignatureRequestEditEmbeddedWithTemplateRequest signingOptions(
-            SubSigningOptions signingOptions) {
+            @javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
         return this;
     }
@@ -430,11 +441,12 @@ public SubSigningOptions getSigningOptions() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningOptions(SubSigningOptions signingOptions) {
+    public void setSigningOptions(@javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
     }
 
-    public SignatureRequestEditEmbeddedWithTemplateRequest subject(String subject) {
+    public SignatureRequestEditEmbeddedWithTemplateRequest subject(
+            @javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -452,11 +464,12 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public SignatureRequestEditEmbeddedWithTemplateRequest testMode(Boolean testMode) {
+    public SignatureRequestEditEmbeddedWithTemplateRequest testMode(
+            @javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -475,11 +488,12 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public SignatureRequestEditEmbeddedWithTemplateRequest title(String title) {
+    public SignatureRequestEditEmbeddedWithTemplateRequest title(
+            @javax.annotation.Nullable String title) {
         this.title = title;
         return this;
     }
@@ -497,12 +511,12 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nullable String title) {
         this.title = title;
     }
 
     public SignatureRequestEditEmbeddedWithTemplateRequest populateAutoFillFields(
-            Boolean populateAutoFillFields) {
+            @javax.annotation.Nullable Boolean populateAutoFillFields) {
         this.populateAutoFillFields = populateAutoFillFields;
         return this;
     }
@@ -524,7 +538,8 @@ public Boolean getPopulateAutoFillFields() {
 
     @JsonProperty(JSON_PROPERTY_POPULATE_AUTO_FILL_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPopulateAutoFillFields(Boolean populateAutoFillFields) {
+    public void setPopulateAutoFillFields(
+            @javax.annotation.Nullable Boolean populateAutoFillFields) {
         this.populateAutoFillFields = populateAutoFillFields;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestEditRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestEditRequest.java
index 92427a9db..0173d32e5 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestEditRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestEditRequest.java
@@ -56,83 +56,85 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SignatureRequestEditRequest {
     public static final String JSON_PROPERTY_FILES = "files";
-    private List<File> files = null;
+    @javax.annotation.Nullable private List<File> files = null;
 
     public static final String JSON_PROPERTY_FILE_URLS = "file_urls";
-    private List<String> fileUrls = null;
+    @javax.annotation.Nullable private List<String> fileUrls = null;
 
     public static final String JSON_PROPERTY_SIGNERS = "signers";
-    private List<SubSignatureRequestSigner> signers = null;
+    @javax.annotation.Nullable private List<SubSignatureRequestSigner> signers = null;
 
     public static final String JSON_PROPERTY_GROUPED_SIGNERS = "grouped_signers";
-    private List<SubSignatureRequestGroupedSigners> groupedSigners = null;
+
+    @javax.annotation.Nullable private List<SubSignatureRequestGroupedSigners> groupedSigners = null;
 
     public static final String JSON_PROPERTY_ALLOW_DECLINE = "allow_decline";
-    private Boolean allowDecline = false;
+    @javax.annotation.Nullable private Boolean allowDecline = false;
 
     public static final String JSON_PROPERTY_ALLOW_REASSIGN = "allow_reassign";
-    private Boolean allowReassign = false;
+    @javax.annotation.Nullable private Boolean allowReassign = false;
 
     public static final String JSON_PROPERTY_ATTACHMENTS = "attachments";
-    private List<SubAttachment> attachments = null;
+    @javax.annotation.Nullable private List<SubAttachment> attachments = null;
 
     public static final String JSON_PROPERTY_CC_EMAIL_ADDRESSES = "cc_email_addresses";
-    private List<String> ccEmailAddresses = null;
+    @javax.annotation.Nullable private List<String> ccEmailAddresses = null;
 
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nullable private String clientId;
 
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    private List<SubCustomField> customFields = null;
+    @javax.annotation.Nullable private List<SubCustomField> customFields = null;
 
     public static final String JSON_PROPERTY_FIELD_OPTIONS = "field_options";
-    private SubFieldOptions fieldOptions;
+    @javax.annotation.Nullable private SubFieldOptions fieldOptions;
 
     public static final String JSON_PROPERTY_FORM_FIELD_GROUPS = "form_field_groups";
-    private List<SubFormFieldGroup> formFieldGroups = null;
+    @javax.annotation.Nullable private List<SubFormFieldGroup> formFieldGroups = null;
 
     public static final String JSON_PROPERTY_FORM_FIELD_RULES = "form_field_rules";
-    private List<SubFormFieldRule> formFieldRules = null;
+    @javax.annotation.Nullable private List<SubFormFieldRule> formFieldRules = null;
 
     public static final String JSON_PROPERTY_FORM_FIELDS_PER_DOCUMENT = "form_fields_per_document";
-    private List<SubFormFieldsPerDocumentBase> formFieldsPerDocument = null;
+
+    @javax.annotation.Nullable private List<SubFormFieldsPerDocumentBase> formFieldsPerDocument = null;
 
     public static final String JSON_PROPERTY_HIDE_TEXT_TAGS = "hide_text_tags";
-    private Boolean hideTextTags = false;
+    @javax.annotation.Nullable private Boolean hideTextTags = false;
 
     public static final String JSON_PROPERTY_IS_EID = "is_eid";
-    private Boolean isEid = false;
+    @javax.annotation.Nullable private Boolean isEid = false;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_SIGNING_OPTIONS = "signing_options";
-    private SubSigningOptions signingOptions;
+    @javax.annotation.Nullable private SubSigningOptions signingOptions;
 
     public static final String JSON_PROPERTY_SIGNING_REDIRECT_URL = "signing_redirect_url";
-    private String signingRedirectUrl;
+    @javax.annotation.Nullable private String signingRedirectUrl;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nullable private String title;
 
     public static final String JSON_PROPERTY_USE_TEXT_TAGS = "use_text_tags";
-    private Boolean useTextTags = false;
+    @javax.annotation.Nullable private Boolean useTextTags = false;
 
     public static final String JSON_PROPERTY_EXPIRES_AT = "expires_at";
-    private Integer expiresAt;
+    @javax.annotation.Nullable private Integer expiresAt;
 
     public SignatureRequestEditRequest() {}
 
@@ -152,7 +154,7 @@ public static SignatureRequestEditRequest init(HashMap data) throws Exception {
                         SignatureRequestEditRequest.class);
     }
 
-    public SignatureRequestEditRequest files(List<File> files) {
+    public SignatureRequestEditRequest files(@javax.annotation.Nullable List<File> files) {
         this.files = files;
         return this;
     }
@@ -179,11 +181,11 @@ public List<File> getFiles() {
 
     @JsonProperty(JSON_PROPERTY_FILES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFiles(List<File> files) {
+    public void setFiles(@javax.annotation.Nullable List<File> files) {
         this.files = files;
     }
 
-    public SignatureRequestEditRequest fileUrls(List<String> fileUrls) {
+    public SignatureRequestEditRequest fileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
         return this;
     }
@@ -210,11 +212,12 @@ public List<String> getFileUrls() {
 
     @JsonProperty(JSON_PROPERTY_FILE_URLS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFileUrls(List<String> fileUrls) {
+    public void setFileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
     }
 
-    public SignatureRequestEditRequest signers(List<SubSignatureRequestSigner> signers) {
+    public SignatureRequestEditRequest signers(
+            @javax.annotation.Nullable List<SubSignatureRequestSigner> signers) {
         this.signers = signers;
         return this;
     }
@@ -241,12 +244,12 @@ public List<SubSignatureRequestSigner> getSigners() {
 
     @JsonProperty(JSON_PROPERTY_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigners(List<SubSignatureRequestSigner> signers) {
+    public void setSigners(@javax.annotation.Nullable List<SubSignatureRequestSigner> signers) {
         this.signers = signers;
     }
 
     public SignatureRequestEditRequest groupedSigners(
-            List<SubSignatureRequestGroupedSigners> groupedSigners) {
+            @javax.annotation.Nullable List<SubSignatureRequestGroupedSigners> groupedSigners) {
         this.groupedSigners = groupedSigners;
         return this;
     }
@@ -274,11 +277,13 @@ public List<SubSignatureRequestGroupedSigners> getGroupedSigners() {
 
     @JsonProperty(JSON_PROPERTY_GROUPED_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setGroupedSigners(List<SubSignatureRequestGroupedSigners> groupedSigners) {
+    public void setGroupedSigners(
+            @javax.annotation.Nullable List<SubSignatureRequestGroupedSigners> groupedSigners) {
         this.groupedSigners = groupedSigners;
     }
 
-    public SignatureRequestEditRequest allowDecline(Boolean allowDecline) {
+    public SignatureRequestEditRequest allowDecline(
+            @javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
         return this;
     }
@@ -297,11 +302,12 @@ public Boolean getAllowDecline() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_DECLINE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowDecline(Boolean allowDecline) {
+    public void setAllowDecline(@javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
     }
 
-    public SignatureRequestEditRequest allowReassign(Boolean allowReassign) {
+    public SignatureRequestEditRequest allowReassign(
+            @javax.annotation.Nullable Boolean allowReassign) {
         this.allowReassign = allowReassign;
         return this;
     }
@@ -321,11 +327,12 @@ public Boolean getAllowReassign() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_REASSIGN)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowReassign(Boolean allowReassign) {
+    public void setAllowReassign(@javax.annotation.Nullable Boolean allowReassign) {
         this.allowReassign = allowReassign;
     }
 
-    public SignatureRequestEditRequest attachments(List<SubAttachment> attachments) {
+    public SignatureRequestEditRequest attachments(
+            @javax.annotation.Nullable List<SubAttachment> attachments) {
         this.attachments = attachments;
         return this;
     }
@@ -351,11 +358,12 @@ public List<SubAttachment> getAttachments() {
 
     @JsonProperty(JSON_PROPERTY_ATTACHMENTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAttachments(List<SubAttachment> attachments) {
+    public void setAttachments(@javax.annotation.Nullable List<SubAttachment> attachments) {
         this.attachments = attachments;
     }
 
-    public SignatureRequestEditRequest ccEmailAddresses(List<String> ccEmailAddresses) {
+    public SignatureRequestEditRequest ccEmailAddresses(
+            @javax.annotation.Nullable List<String> ccEmailAddresses) {
         this.ccEmailAddresses = ccEmailAddresses;
         return this;
     }
@@ -381,11 +389,11 @@ public List<String> getCcEmailAddresses() {
 
     @JsonProperty(JSON_PROPERTY_CC_EMAIL_ADDRESSES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcEmailAddresses(List<String> ccEmailAddresses) {
+    public void setCcEmailAddresses(@javax.annotation.Nullable List<String> ccEmailAddresses) {
         this.ccEmailAddresses = ccEmailAddresses;
     }
 
-    public SignatureRequestEditRequest clientId(String clientId) {
+    public SignatureRequestEditRequest clientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -404,11 +412,12 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
     }
 
-    public SignatureRequestEditRequest customFields(List<SubCustomField> customFields) {
+    public SignatureRequestEditRequest customFields(
+            @javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -444,11 +453,12 @@ public List<SubCustomField> getCustomFields() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<SubCustomField> customFields) {
+    public void setCustomFields(@javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
     }
 
-    public SignatureRequestEditRequest fieldOptions(SubFieldOptions fieldOptions) {
+    public SignatureRequestEditRequest fieldOptions(
+            @javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
         return this;
     }
@@ -466,11 +476,12 @@ public SubFieldOptions getFieldOptions() {
 
     @JsonProperty(JSON_PROPERTY_FIELD_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFieldOptions(SubFieldOptions fieldOptions) {
+    public void setFieldOptions(@javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
     }
 
-    public SignatureRequestEditRequest formFieldGroups(List<SubFormFieldGroup> formFieldGroups) {
+    public SignatureRequestEditRequest formFieldGroups(
+            @javax.annotation.Nullable List<SubFormFieldGroup> formFieldGroups) {
         this.formFieldGroups = formFieldGroups;
         return this;
     }
@@ -500,11 +511,13 @@ public List<SubFormFieldGroup> getFormFieldGroups() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELD_GROUPS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldGroups(List<SubFormFieldGroup> formFieldGroups) {
+    public void setFormFieldGroups(
+            @javax.annotation.Nullable List<SubFormFieldGroup> formFieldGroups) {
         this.formFieldGroups = formFieldGroups;
     }
 
-    public SignatureRequestEditRequest formFieldRules(List<SubFormFieldRule> formFieldRules) {
+    public SignatureRequestEditRequest formFieldRules(
+            @javax.annotation.Nullable List<SubFormFieldRule> formFieldRules) {
         this.formFieldRules = formFieldRules;
         return this;
     }
@@ -530,12 +543,13 @@ public List<SubFormFieldRule> getFormFieldRules() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELD_RULES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldRules(List<SubFormFieldRule> formFieldRules) {
+    public void setFormFieldRules(
+            @javax.annotation.Nullable List<SubFormFieldRule> formFieldRules) {
         this.formFieldRules = formFieldRules;
     }
 
     public SignatureRequestEditRequest formFieldsPerDocument(
-            List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
+            @javax.annotation.Nullable List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
         this.formFieldsPerDocument = formFieldsPerDocument;
         return this;
     }
@@ -577,11 +591,13 @@ public List<SubFormFieldsPerDocumentBase> getFormFieldsPerDocument() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELDS_PER_DOCUMENT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldsPerDocument(List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
+    public void setFormFieldsPerDocument(
+            @javax.annotation.Nullable List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
         this.formFieldsPerDocument = formFieldsPerDocument;
     }
 
-    public SignatureRequestEditRequest hideTextTags(Boolean hideTextTags) {
+    public SignatureRequestEditRequest hideTextTags(
+            @javax.annotation.Nullable Boolean hideTextTags) {
         this.hideTextTags = hideTextTags;
         return this;
     }
@@ -603,11 +619,11 @@ public Boolean getHideTextTags() {
 
     @JsonProperty(JSON_PROPERTY_HIDE_TEXT_TAGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHideTextTags(Boolean hideTextTags) {
+    public void setHideTextTags(@javax.annotation.Nullable Boolean hideTextTags) {
         this.hideTextTags = hideTextTags;
     }
 
-    public SignatureRequestEditRequest isEid(Boolean isEid) {
+    public SignatureRequestEditRequest isEid(@javax.annotation.Nullable Boolean isEid) {
         this.isEid = isEid;
         return this;
     }
@@ -629,11 +645,11 @@ public Boolean getIsEid() {
 
     @JsonProperty(JSON_PROPERTY_IS_EID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsEid(Boolean isEid) {
+    public void setIsEid(@javax.annotation.Nullable Boolean isEid) {
         this.isEid = isEid;
     }
 
-    public SignatureRequestEditRequest message(String message) {
+    public SignatureRequestEditRequest message(@javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -651,11 +667,12 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public SignatureRequestEditRequest metadata(Map<String, Object> metadata) {
+    public SignatureRequestEditRequest metadata(
+            @javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -685,11 +702,12 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
-    public SignatureRequestEditRequest signingOptions(SubSigningOptions signingOptions) {
+    public SignatureRequestEditRequest signingOptions(
+            @javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
         return this;
     }
@@ -707,11 +725,12 @@ public SubSigningOptions getSigningOptions() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningOptions(SubSigningOptions signingOptions) {
+    public void setSigningOptions(@javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
     }
 
-    public SignatureRequestEditRequest signingRedirectUrl(String signingRedirectUrl) {
+    public SignatureRequestEditRequest signingRedirectUrl(
+            @javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
         return this;
     }
@@ -729,11 +748,11 @@ public String getSigningRedirectUrl() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_REDIRECT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningRedirectUrl(String signingRedirectUrl) {
+    public void setSigningRedirectUrl(@javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
     }
 
-    public SignatureRequestEditRequest subject(String subject) {
+    public SignatureRequestEditRequest subject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -751,11 +770,11 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public SignatureRequestEditRequest testMode(Boolean testMode) {
+    public SignatureRequestEditRequest testMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -774,11 +793,11 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public SignatureRequestEditRequest title(String title) {
+    public SignatureRequestEditRequest title(@javax.annotation.Nullable String title) {
         this.title = title;
         return this;
     }
@@ -796,11 +815,11 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nullable String title) {
         this.title = title;
     }
 
-    public SignatureRequestEditRequest useTextTags(Boolean useTextTags) {
+    public SignatureRequestEditRequest useTextTags(@javax.annotation.Nullable Boolean useTextTags) {
         this.useTextTags = useTextTags;
         return this;
     }
@@ -820,11 +839,11 @@ public Boolean getUseTextTags() {
 
     @JsonProperty(JSON_PROPERTY_USE_TEXT_TAGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setUseTextTags(Boolean useTextTags) {
+    public void setUseTextTags(@javax.annotation.Nullable Boolean useTextTags) {
         this.useTextTags = useTextTags;
     }
 
-    public SignatureRequestEditRequest expiresAt(Integer expiresAt) {
+    public SignatureRequestEditRequest expiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
         return this;
     }
@@ -844,7 +863,7 @@ public Integer getExpiresAt() {
 
     @JsonProperty(JSON_PROPERTY_EXPIRES_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setExpiresAt(Integer expiresAt) {
+    public void setExpiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestEditWithTemplateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestEditWithTemplateRequest.java
index 3621d0d2f..c49c66ff3 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestEditWithTemplateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestEditWithTemplateRequest.java
@@ -47,56 +47,58 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SignatureRequestEditWithTemplateRequest {
     public static final String JSON_PROPERTY_TEMPLATE_IDS = "template_ids";
-    private List<String> templateIds = new ArrayList<>();
+    @javax.annotation.Nonnull private List<String> templateIds = new ArrayList<>();
 
     public static final String JSON_PROPERTY_SIGNERS = "signers";
+
+    @javax.annotation.Nonnull
     private List<SubSignatureRequestTemplateSigner> signers = new ArrayList<>();
 
     public static final String JSON_PROPERTY_ALLOW_DECLINE = "allow_decline";
-    private Boolean allowDecline = false;
+    @javax.annotation.Nullable private Boolean allowDecline = false;
 
     public static final String JSON_PROPERTY_CCS = "ccs";
-    private List<SubCC> ccs = null;
+    @javax.annotation.Nullable private List<SubCC> ccs = null;
 
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nullable private String clientId;
 
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    private List<SubCustomField> customFields = null;
+    @javax.annotation.Nullable private List<SubCustomField> customFields = null;
 
     public static final String JSON_PROPERTY_FILES = "files";
-    private List<File> files = null;
+    @javax.annotation.Nullable private List<File> files = null;
 
     public static final String JSON_PROPERTY_FILE_URLS = "file_urls";
-    private List<String> fileUrls = null;
+    @javax.annotation.Nullable private List<String> fileUrls = null;
 
     public static final String JSON_PROPERTY_IS_EID = "is_eid";
-    private Boolean isEid = false;
+    @javax.annotation.Nullable private Boolean isEid = false;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_SIGNING_OPTIONS = "signing_options";
-    private SubSigningOptions signingOptions;
+    @javax.annotation.Nullable private SubSigningOptions signingOptions;
 
     public static final String JSON_PROPERTY_SIGNING_REDIRECT_URL = "signing_redirect_url";
-    private String signingRedirectUrl;
+    @javax.annotation.Nullable private String signingRedirectUrl;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nullable private String title;
 
     public SignatureRequestEditWithTemplateRequest() {}
 
@@ -117,7 +119,8 @@ public static SignatureRequestEditWithTemplateRequest init(HashMap data) throws
                         SignatureRequestEditWithTemplateRequest.class);
     }
 
-    public SignatureRequestEditWithTemplateRequest templateIds(List<String> templateIds) {
+    public SignatureRequestEditWithTemplateRequest templateIds(
+            @javax.annotation.Nonnull List<String> templateIds) {
         this.templateIds = templateIds;
         return this;
     }
@@ -145,12 +148,12 @@ public List<String> getTemplateIds() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE_IDS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTemplateIds(List<String> templateIds) {
+    public void setTemplateIds(@javax.annotation.Nonnull List<String> templateIds) {
         this.templateIds = templateIds;
     }
 
     public SignatureRequestEditWithTemplateRequest signers(
-            List<SubSignatureRequestTemplateSigner> signers) {
+            @javax.annotation.Nonnull List<SubSignatureRequestTemplateSigner> signers) {
         this.signers = signers;
         return this;
     }
@@ -178,11 +181,13 @@ public List<SubSignatureRequestTemplateSigner> getSigners() {
 
     @JsonProperty(JSON_PROPERTY_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setSigners(List<SubSignatureRequestTemplateSigner> signers) {
+    public void setSigners(
+            @javax.annotation.Nonnull List<SubSignatureRequestTemplateSigner> signers) {
         this.signers = signers;
     }
 
-    public SignatureRequestEditWithTemplateRequest allowDecline(Boolean allowDecline) {
+    public SignatureRequestEditWithTemplateRequest allowDecline(
+            @javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
         return this;
     }
@@ -201,11 +206,11 @@ public Boolean getAllowDecline() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_DECLINE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowDecline(Boolean allowDecline) {
+    public void setAllowDecline(@javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
     }
 
-    public SignatureRequestEditWithTemplateRequest ccs(List<SubCC> ccs) {
+    public SignatureRequestEditWithTemplateRequest ccs(@javax.annotation.Nullable List<SubCC> ccs) {
         this.ccs = ccs;
         return this;
     }
@@ -231,11 +236,12 @@ public List<SubCC> getCcs() {
 
     @JsonProperty(JSON_PROPERTY_CCS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcs(List<SubCC> ccs) {
+    public void setCcs(@javax.annotation.Nullable List<SubCC> ccs) {
         this.ccs = ccs;
     }
 
-    public SignatureRequestEditWithTemplateRequest clientId(String clientId) {
+    public SignatureRequestEditWithTemplateRequest clientId(
+            @javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -254,11 +260,12 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
     }
 
-    public SignatureRequestEditWithTemplateRequest customFields(List<SubCustomField> customFields) {
+    public SignatureRequestEditWithTemplateRequest customFields(
+            @javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -286,11 +293,12 @@ public List<SubCustomField> getCustomFields() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<SubCustomField> customFields) {
+    public void setCustomFields(@javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
     }
 
-    public SignatureRequestEditWithTemplateRequest files(List<File> files) {
+    public SignatureRequestEditWithTemplateRequest files(
+            @javax.annotation.Nullable List<File> files) {
         this.files = files;
         return this;
     }
@@ -317,11 +325,12 @@ public List<File> getFiles() {
 
     @JsonProperty(JSON_PROPERTY_FILES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFiles(List<File> files) {
+    public void setFiles(@javax.annotation.Nullable List<File> files) {
         this.files = files;
     }
 
-    public SignatureRequestEditWithTemplateRequest fileUrls(List<String> fileUrls) {
+    public SignatureRequestEditWithTemplateRequest fileUrls(
+            @javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
         return this;
     }
@@ -348,11 +357,11 @@ public List<String> getFileUrls() {
 
     @JsonProperty(JSON_PROPERTY_FILE_URLS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFileUrls(List<String> fileUrls) {
+    public void setFileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
     }
 
-    public SignatureRequestEditWithTemplateRequest isEid(Boolean isEid) {
+    public SignatureRequestEditWithTemplateRequest isEid(@javax.annotation.Nullable Boolean isEid) {
         this.isEid = isEid;
         return this;
     }
@@ -374,11 +383,12 @@ public Boolean getIsEid() {
 
     @JsonProperty(JSON_PROPERTY_IS_EID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsEid(Boolean isEid) {
+    public void setIsEid(@javax.annotation.Nullable Boolean isEid) {
         this.isEid = isEid;
     }
 
-    public SignatureRequestEditWithTemplateRequest message(String message) {
+    public SignatureRequestEditWithTemplateRequest message(
+            @javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -396,11 +406,12 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public SignatureRequestEditWithTemplateRequest metadata(Map<String, Object> metadata) {
+    public SignatureRequestEditWithTemplateRequest metadata(
+            @javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -431,12 +442,12 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
     public SignatureRequestEditWithTemplateRequest signingOptions(
-            SubSigningOptions signingOptions) {
+            @javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
         return this;
     }
@@ -454,11 +465,12 @@ public SubSigningOptions getSigningOptions() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningOptions(SubSigningOptions signingOptions) {
+    public void setSigningOptions(@javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
     }
 
-    public SignatureRequestEditWithTemplateRequest signingRedirectUrl(String signingRedirectUrl) {
+    public SignatureRequestEditWithTemplateRequest signingRedirectUrl(
+            @javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
         return this;
     }
@@ -476,11 +488,12 @@ public String getSigningRedirectUrl() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_REDIRECT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningRedirectUrl(String signingRedirectUrl) {
+    public void setSigningRedirectUrl(@javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
     }
 
-    public SignatureRequestEditWithTemplateRequest subject(String subject) {
+    public SignatureRequestEditWithTemplateRequest subject(
+            @javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -498,11 +511,12 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public SignatureRequestEditWithTemplateRequest testMode(Boolean testMode) {
+    public SignatureRequestEditWithTemplateRequest testMode(
+            @javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -521,11 +535,11 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public SignatureRequestEditWithTemplateRequest title(String title) {
+    public SignatureRequestEditWithTemplateRequest title(@javax.annotation.Nullable String title) {
         this.title = title;
         return this;
     }
@@ -543,7 +557,7 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nullable String title) {
         this.title = title;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestGetResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestGetResponse.java
index 3e7064c63..713db0586 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestGetResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestGetResponse.java
@@ -32,14 +32,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SignatureRequestGetResponse {
     public static final String JSON_PROPERTY_SIGNATURE_REQUEST = "signature_request";
-    private SignatureRequestResponse signatureRequest;
+    @javax.annotation.Nonnull private SignatureRequestResponse signatureRequest;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public SignatureRequestGetResponse() {}
 
@@ -59,7 +59,8 @@ public static SignatureRequestGetResponse init(HashMap data) throws Exception {
                         SignatureRequestGetResponse.class);
     }
 
-    public SignatureRequestGetResponse signatureRequest(SignatureRequestResponse signatureRequest) {
+    public SignatureRequestGetResponse signatureRequest(
+            @javax.annotation.Nonnull SignatureRequestResponse signatureRequest) {
         this.signatureRequest = signatureRequest;
         return this;
     }
@@ -78,11 +79,13 @@ public SignatureRequestResponse getSignatureRequest() {
 
     @JsonProperty(JSON_PROPERTY_SIGNATURE_REQUEST)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setSignatureRequest(SignatureRequestResponse signatureRequest) {
+    public void setSignatureRequest(
+            @javax.annotation.Nonnull SignatureRequestResponse signatureRequest) {
         this.signatureRequest = signatureRequest;
     }
 
-    public SignatureRequestGetResponse warnings(List<WarningResponse> warnings) {
+    public SignatureRequestGetResponse warnings(
+            @javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -108,7 +111,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestListResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestListResponse.java
index 4ae97121d..2829c0ded 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestListResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestListResponse.java
@@ -33,17 +33,19 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SignatureRequestListResponse {
     public static final String JSON_PROPERTY_SIGNATURE_REQUESTS = "signature_requests";
+
+    @javax.annotation.Nonnull
     private List<SignatureRequestResponse> signatureRequests = new ArrayList<>();
 
     public static final String JSON_PROPERTY_LIST_INFO = "list_info";
-    private ListInfoResponse listInfo;
+    @javax.annotation.Nonnull private ListInfoResponse listInfo;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public SignatureRequestListResponse() {}
 
@@ -64,7 +66,7 @@ public static SignatureRequestListResponse init(HashMap data) throws Exception {
     }
 
     public SignatureRequestListResponse signatureRequests(
-            List<SignatureRequestResponse> signatureRequests) {
+            @javax.annotation.Nonnull List<SignatureRequestResponse> signatureRequests) {
         this.signatureRequests = signatureRequests;
         return this;
     }
@@ -92,11 +94,13 @@ public List<SignatureRequestResponse> getSignatureRequests() {
 
     @JsonProperty(JSON_PROPERTY_SIGNATURE_REQUESTS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setSignatureRequests(List<SignatureRequestResponse> signatureRequests) {
+    public void setSignatureRequests(
+            @javax.annotation.Nonnull List<SignatureRequestResponse> signatureRequests) {
         this.signatureRequests = signatureRequests;
     }
 
-    public SignatureRequestListResponse listInfo(ListInfoResponse listInfo) {
+    public SignatureRequestListResponse listInfo(
+            @javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
         return this;
     }
@@ -115,11 +119,12 @@ public ListInfoResponse getListInfo() {
 
     @JsonProperty(JSON_PROPERTY_LIST_INFO)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setListInfo(ListInfoResponse listInfo) {
+    public void setListInfo(@javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
     }
 
-    public SignatureRequestListResponse warnings(List<WarningResponse> warnings) {
+    public SignatureRequestListResponse warnings(
+            @javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -145,7 +150,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestRemindRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestRemindRequest.java
index b4343b7b3..ee3fae591 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestRemindRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestRemindRequest.java
@@ -30,14 +30,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SignatureRequestRemindRequest {
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nonnull private String emailAddress;
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public SignatureRequestRemindRequest() {}
 
@@ -57,7 +57,8 @@ public static SignatureRequestRemindRequest init(HashMap data) throws Exception
                         SignatureRequestRemindRequest.class);
     }
 
-    public SignatureRequestRemindRequest emailAddress(String emailAddress) {
+    public SignatureRequestRemindRequest emailAddress(
+            @javax.annotation.Nonnull String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -76,11 +77,11 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nonnull String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
-    public SignatureRequestRemindRequest name(String name) {
+    public SignatureRequestRemindRequest name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -99,7 +100,7 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponse.java
index ed78327dc..85da7fb61 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponse.java
@@ -55,83 +55,84 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SignatureRequestResponse {
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public static final String JSON_PROPERTY_SIGNATURE_REQUEST_ID = "signature_request_id";
-    private String signatureRequestId;
+    @javax.annotation.Nullable private String signatureRequestId;
 
     public static final String JSON_PROPERTY_REQUESTER_EMAIL_ADDRESS = "requester_email_address";
-    private String requesterEmailAddress;
+    @javax.annotation.Nullable private String requesterEmailAddress;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nullable private String title;
 
     public static final String JSON_PROPERTY_ORIGINAL_TITLE = "original_title";
-    private String originalTitle;
+    @javax.annotation.Nullable private String originalTitle;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_CREATED_AT = "created_at";
-    private Integer createdAt;
+    @javax.annotation.Nullable private Integer createdAt;
 
     public static final String JSON_PROPERTY_EXPIRES_AT = "expires_at";
-    private Integer expiresAt;
+    @javax.annotation.Nullable private Integer expiresAt;
 
     public static final String JSON_PROPERTY_IS_COMPLETE = "is_complete";
-    private Boolean isComplete;
+    @javax.annotation.Nullable private Boolean isComplete;
 
     public static final String JSON_PROPERTY_IS_DECLINED = "is_declined";
-    private Boolean isDeclined;
+    @javax.annotation.Nullable private Boolean isDeclined;
 
     public static final String JSON_PROPERTY_HAS_ERROR = "has_error";
-    private Boolean hasError;
+    @javax.annotation.Nullable private Boolean hasError;
 
     public static final String JSON_PROPERTY_FILES_URL = "files_url";
-    private String filesUrl;
+    @javax.annotation.Nullable private String filesUrl;
 
     public static final String JSON_PROPERTY_SIGNING_URL = "signing_url";
-    private String signingUrl;
+    @javax.annotation.Nullable private String signingUrl;
 
     public static final String JSON_PROPERTY_DETAILS_URL = "details_url";
-    private String detailsUrl;
+    @javax.annotation.Nullable private String detailsUrl;
 
     public static final String JSON_PROPERTY_CC_EMAIL_ADDRESSES = "cc_email_addresses";
-    private List<String> ccEmailAddresses = null;
+    @javax.annotation.Nullable private List<String> ccEmailAddresses = null;
 
     public static final String JSON_PROPERTY_SIGNING_REDIRECT_URL = "signing_redirect_url";
-    private String signingRedirectUrl;
+    @javax.annotation.Nullable private String signingRedirectUrl;
 
     public static final String JSON_PROPERTY_FINAL_COPY_URI = "final_copy_uri";
-    private String finalCopyUri;
+    @javax.annotation.Nullable private String finalCopyUri;
 
     public static final String JSON_PROPERTY_TEMPLATE_IDS = "template_ids";
-    private List<String> templateIds = null;
+    @javax.annotation.Nullable private List<String> templateIds = null;
 
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    private List<SignatureRequestResponseCustomFieldBase> customFields = null;
+
+    @javax.annotation.Nullable private List<SignatureRequestResponseCustomFieldBase> customFields = null;
 
     public static final String JSON_PROPERTY_ATTACHMENTS = "attachments";
-    private List<SignatureRequestResponseAttachment> attachments = null;
+    @javax.annotation.Nullable private List<SignatureRequestResponseAttachment> attachments = null;
 
     public static final String JSON_PROPERTY_RESPONSE_DATA = "response_data";
-    private List<SignatureRequestResponseDataBase> responseData = null;
+    @javax.annotation.Nullable private List<SignatureRequestResponseDataBase> responseData = null;
 
     public static final String JSON_PROPERTY_SIGNATURES = "signatures";
-    private List<SignatureRequestResponseSignatures> signatures = null;
+    @javax.annotation.Nullable private List<SignatureRequestResponseSignatures> signatures = null;
 
     public static final String JSON_PROPERTY_BULK_SEND_JOB_ID = "bulk_send_job_id";
-    private String bulkSendJobId;
+    @javax.annotation.Nullable private String bulkSendJobId;
 
     public SignatureRequestResponse() {}
 
@@ -151,7 +152,7 @@ public static SignatureRequestResponse init(HashMap data) throws Exception {
                         SignatureRequestResponse.class);
     }
 
-    public SignatureRequestResponse testMode(Boolean testMode) {
+    public SignatureRequestResponse testMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -170,11 +171,12 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public SignatureRequestResponse signatureRequestId(String signatureRequestId) {
+    public SignatureRequestResponse signatureRequestId(
+            @javax.annotation.Nullable String signatureRequestId) {
         this.signatureRequestId = signatureRequestId;
         return this;
     }
@@ -192,11 +194,12 @@ public String getSignatureRequestId() {
 
     @JsonProperty(JSON_PROPERTY_SIGNATURE_REQUEST_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignatureRequestId(String signatureRequestId) {
+    public void setSignatureRequestId(@javax.annotation.Nullable String signatureRequestId) {
         this.signatureRequestId = signatureRequestId;
     }
 
-    public SignatureRequestResponse requesterEmailAddress(String requesterEmailAddress) {
+    public SignatureRequestResponse requesterEmailAddress(
+            @javax.annotation.Nullable String requesterEmailAddress) {
         this.requesterEmailAddress = requesterEmailAddress;
         return this;
     }
@@ -214,11 +217,11 @@ public String getRequesterEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_REQUESTER_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRequesterEmailAddress(String requesterEmailAddress) {
+    public void setRequesterEmailAddress(@javax.annotation.Nullable String requesterEmailAddress) {
         this.requesterEmailAddress = requesterEmailAddress;
     }
 
-    public SignatureRequestResponse title(String title) {
+    public SignatureRequestResponse title(@javax.annotation.Nullable String title) {
         this.title = title;
         return this;
     }
@@ -236,11 +239,11 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nullable String title) {
         this.title = title;
     }
 
-    public SignatureRequestResponse originalTitle(String originalTitle) {
+    public SignatureRequestResponse originalTitle(@javax.annotation.Nullable String originalTitle) {
         this.originalTitle = originalTitle;
         return this;
     }
@@ -258,11 +261,11 @@ public String getOriginalTitle() {
 
     @JsonProperty(JSON_PROPERTY_ORIGINAL_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOriginalTitle(String originalTitle) {
+    public void setOriginalTitle(@javax.annotation.Nullable String originalTitle) {
         this.originalTitle = originalTitle;
     }
 
-    public SignatureRequestResponse subject(String subject) {
+    public SignatureRequestResponse subject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -280,11 +283,11 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public SignatureRequestResponse message(String message) {
+    public SignatureRequestResponse message(@javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -302,11 +305,12 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public SignatureRequestResponse metadata(Map<String, Object> metadata) {
+    public SignatureRequestResponse metadata(
+            @javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -332,11 +336,11 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
-    public SignatureRequestResponse createdAt(Integer createdAt) {
+    public SignatureRequestResponse createdAt(@javax.annotation.Nullable Integer createdAt) {
         this.createdAt = createdAt;
         return this;
     }
@@ -354,11 +358,11 @@ public Integer getCreatedAt() {
 
     @JsonProperty(JSON_PROPERTY_CREATED_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCreatedAt(Integer createdAt) {
+    public void setCreatedAt(@javax.annotation.Nullable Integer createdAt) {
         this.createdAt = createdAt;
     }
 
-    public SignatureRequestResponse expiresAt(Integer expiresAt) {
+    public SignatureRequestResponse expiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
         return this;
     }
@@ -378,11 +382,11 @@ public Integer getExpiresAt() {
 
     @JsonProperty(JSON_PROPERTY_EXPIRES_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setExpiresAt(Integer expiresAt) {
+    public void setExpiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
     }
 
-    public SignatureRequestResponse isComplete(Boolean isComplete) {
+    public SignatureRequestResponse isComplete(@javax.annotation.Nullable Boolean isComplete) {
         this.isComplete = isComplete;
         return this;
     }
@@ -400,11 +404,11 @@ public Boolean getIsComplete() {
 
     @JsonProperty(JSON_PROPERTY_IS_COMPLETE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsComplete(Boolean isComplete) {
+    public void setIsComplete(@javax.annotation.Nullable Boolean isComplete) {
         this.isComplete = isComplete;
     }
 
-    public SignatureRequestResponse isDeclined(Boolean isDeclined) {
+    public SignatureRequestResponse isDeclined(@javax.annotation.Nullable Boolean isDeclined) {
         this.isDeclined = isDeclined;
         return this;
     }
@@ -422,11 +426,11 @@ public Boolean getIsDeclined() {
 
     @JsonProperty(JSON_PROPERTY_IS_DECLINED)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsDeclined(Boolean isDeclined) {
+    public void setIsDeclined(@javax.annotation.Nullable Boolean isDeclined) {
         this.isDeclined = isDeclined;
     }
 
-    public SignatureRequestResponse hasError(Boolean hasError) {
+    public SignatureRequestResponse hasError(@javax.annotation.Nullable Boolean hasError) {
         this.hasError = hasError;
         return this;
     }
@@ -445,11 +449,11 @@ public Boolean getHasError() {
 
     @JsonProperty(JSON_PROPERTY_HAS_ERROR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHasError(Boolean hasError) {
+    public void setHasError(@javax.annotation.Nullable Boolean hasError) {
         this.hasError = hasError;
     }
 
-    public SignatureRequestResponse filesUrl(String filesUrl) {
+    public SignatureRequestResponse filesUrl(@javax.annotation.Nullable String filesUrl) {
         this.filesUrl = filesUrl;
         return this;
     }
@@ -467,11 +471,11 @@ public String getFilesUrl() {
 
     @JsonProperty(JSON_PROPERTY_FILES_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFilesUrl(String filesUrl) {
+    public void setFilesUrl(@javax.annotation.Nullable String filesUrl) {
         this.filesUrl = filesUrl;
     }
 
-    public SignatureRequestResponse signingUrl(String signingUrl) {
+    public SignatureRequestResponse signingUrl(@javax.annotation.Nullable String signingUrl) {
         this.signingUrl = signingUrl;
         return this;
     }
@@ -491,11 +495,11 @@ public String getSigningUrl() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningUrl(String signingUrl) {
+    public void setSigningUrl(@javax.annotation.Nullable String signingUrl) {
         this.signingUrl = signingUrl;
     }
 
-    public SignatureRequestResponse detailsUrl(String detailsUrl) {
+    public SignatureRequestResponse detailsUrl(@javax.annotation.Nullable String detailsUrl) {
         this.detailsUrl = detailsUrl;
         return this;
     }
@@ -514,11 +518,12 @@ public String getDetailsUrl() {
 
     @JsonProperty(JSON_PROPERTY_DETAILS_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setDetailsUrl(String detailsUrl) {
+    public void setDetailsUrl(@javax.annotation.Nullable String detailsUrl) {
         this.detailsUrl = detailsUrl;
     }
 
-    public SignatureRequestResponse ccEmailAddresses(List<String> ccEmailAddresses) {
+    public SignatureRequestResponse ccEmailAddresses(
+            @javax.annotation.Nullable List<String> ccEmailAddresses) {
         this.ccEmailAddresses = ccEmailAddresses;
         return this;
     }
@@ -545,11 +550,12 @@ public List<String> getCcEmailAddresses() {
 
     @JsonProperty(JSON_PROPERTY_CC_EMAIL_ADDRESSES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcEmailAddresses(List<String> ccEmailAddresses) {
+    public void setCcEmailAddresses(@javax.annotation.Nullable List<String> ccEmailAddresses) {
         this.ccEmailAddresses = ccEmailAddresses;
     }
 
-    public SignatureRequestResponse signingRedirectUrl(String signingRedirectUrl) {
+    public SignatureRequestResponse signingRedirectUrl(
+            @javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
         return this;
     }
@@ -567,11 +573,11 @@ public String getSigningRedirectUrl() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_REDIRECT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningRedirectUrl(String signingRedirectUrl) {
+    public void setSigningRedirectUrl(@javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
     }
 
-    public SignatureRequestResponse finalCopyUri(String finalCopyUri) {
+    public SignatureRequestResponse finalCopyUri(@javax.annotation.Nullable String finalCopyUri) {
         this.finalCopyUri = finalCopyUri;
         return this;
     }
@@ -589,11 +595,12 @@ public String getFinalCopyUri() {
 
     @JsonProperty(JSON_PROPERTY_FINAL_COPY_URI)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFinalCopyUri(String finalCopyUri) {
+    public void setFinalCopyUri(@javax.annotation.Nullable String finalCopyUri) {
         this.finalCopyUri = finalCopyUri;
     }
 
-    public SignatureRequestResponse templateIds(List<String> templateIds) {
+    public SignatureRequestResponse templateIds(
+            @javax.annotation.Nullable List<String> templateIds) {
         this.templateIds = templateIds;
         return this;
     }
@@ -619,12 +626,12 @@ public List<String> getTemplateIds() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE_IDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTemplateIds(List<String> templateIds) {
+    public void setTemplateIds(@javax.annotation.Nullable List<String> templateIds) {
         this.templateIds = templateIds;
     }
 
     public SignatureRequestResponse customFields(
-            List<SignatureRequestResponseCustomFieldBase> customFields) {
+            @javax.annotation.Nullable List<SignatureRequestResponseCustomFieldBase> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -653,12 +660,13 @@ public List<SignatureRequestResponseCustomFieldBase> getCustomFields() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<SignatureRequestResponseCustomFieldBase> customFields) {
+    public void setCustomFields(
+            @javax.annotation.Nullable List<SignatureRequestResponseCustomFieldBase> customFields) {
         this.customFields = customFields;
     }
 
     public SignatureRequestResponse attachments(
-            List<SignatureRequestResponseAttachment> attachments) {
+            @javax.annotation.Nullable List<SignatureRequestResponseAttachment> attachments) {
         this.attachments = attachments;
         return this;
     }
@@ -685,12 +693,13 @@ public List<SignatureRequestResponseAttachment> getAttachments() {
 
     @JsonProperty(JSON_PROPERTY_ATTACHMENTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAttachments(List<SignatureRequestResponseAttachment> attachments) {
+    public void setAttachments(
+            @javax.annotation.Nullable List<SignatureRequestResponseAttachment> attachments) {
         this.attachments = attachments;
     }
 
     public SignatureRequestResponse responseData(
-            List<SignatureRequestResponseDataBase> responseData) {
+            @javax.annotation.Nullable List<SignatureRequestResponseDataBase> responseData) {
         this.responseData = responseData;
         return this;
     }
@@ -718,12 +727,13 @@ public List<SignatureRequestResponseDataBase> getResponseData() {
 
     @JsonProperty(JSON_PROPERTY_RESPONSE_DATA)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setResponseData(List<SignatureRequestResponseDataBase> responseData) {
+    public void setResponseData(
+            @javax.annotation.Nullable List<SignatureRequestResponseDataBase> responseData) {
         this.responseData = responseData;
     }
 
     public SignatureRequestResponse signatures(
-            List<SignatureRequestResponseSignatures> signatures) {
+            @javax.annotation.Nullable List<SignatureRequestResponseSignatures> signatures) {
         this.signatures = signatures;
         return this;
     }
@@ -750,11 +760,12 @@ public List<SignatureRequestResponseSignatures> getSignatures() {
 
     @JsonProperty(JSON_PROPERTY_SIGNATURES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignatures(List<SignatureRequestResponseSignatures> signatures) {
+    public void setSignatures(
+            @javax.annotation.Nullable List<SignatureRequestResponseSignatures> signatures) {
         this.signatures = signatures;
     }
 
-    public SignatureRequestResponse bulkSendJobId(String bulkSendJobId) {
+    public SignatureRequestResponse bulkSendJobId(@javax.annotation.Nullable String bulkSendJobId) {
         this.bulkSendJobId = bulkSendJobId;
         return this;
     }
@@ -772,7 +783,7 @@ public String getBulkSendJobId() {
 
     @JsonProperty(JSON_PROPERTY_BULK_SEND_JOB_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setBulkSendJobId(String bulkSendJobId) {
+    public void setBulkSendJobId(@javax.annotation.Nullable String bulkSendJobId) {
         this.bulkSendJobId = bulkSendJobId;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseAttachment.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseAttachment.java
index 8d4e942e3..8c0486a26 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseAttachment.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseAttachment.java
@@ -34,26 +34,26 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SignatureRequestResponseAttachment {
     public static final String JSON_PROPERTY_ID = "id";
-    private String id;
+    @javax.annotation.Nonnull private String id;
 
     public static final String JSON_PROPERTY_SIGNER = "signer";
-    private String signer;
+    @javax.annotation.Nonnull private String signer;
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nonnull private String name;
 
     public static final String JSON_PROPERTY_REQUIRED = "required";
-    private Boolean required;
+    @javax.annotation.Nonnull private Boolean required;
 
     public static final String JSON_PROPERTY_INSTRUCTIONS = "instructions";
-    private String instructions;
+    @javax.annotation.Nullable private String instructions;
 
     public static final String JSON_PROPERTY_UPLOADED_AT = "uploaded_at";
-    private Integer uploadedAt;
+    @javax.annotation.Nullable private Integer uploadedAt;
 
     public SignatureRequestResponseAttachment() {}
 
@@ -73,7 +73,7 @@ public static SignatureRequestResponseAttachment init(HashMap data) throws Excep
                         SignatureRequestResponseAttachment.class);
     }
 
-    public SignatureRequestResponseAttachment id(String id) {
+    public SignatureRequestResponseAttachment id(@javax.annotation.Nonnull String id) {
         this.id = id;
         return this;
     }
@@ -92,11 +92,11 @@ public String getId() {
 
     @JsonProperty(JSON_PROPERTY_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setId(String id) {
+    public void setId(@javax.annotation.Nonnull String id) {
         this.id = id;
     }
 
-    public SignatureRequestResponseAttachment signer(String signer) {
+    public SignatureRequestResponseAttachment signer(@javax.annotation.Nonnull String signer) {
         this.signer = signer;
         return this;
     }
@@ -120,7 +120,7 @@ public String getSigner() {
 
     @JsonProperty(JSON_PROPERTY_SIGNER)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setSigner(String signer) {
+    public void setSigner(@javax.annotation.Nonnull String signer) {
         this.signer = signer;
     }
 
@@ -128,7 +128,7 @@ public void setSigner(Integer signer) {
         this.signer = String.valueOf(signer);
     }
 
-    public SignatureRequestResponseAttachment name(String name) {
+    public SignatureRequestResponseAttachment name(@javax.annotation.Nonnull String name) {
         this.name = name;
         return this;
     }
@@ -147,11 +147,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nonnull String name) {
         this.name = name;
     }
 
-    public SignatureRequestResponseAttachment required(Boolean required) {
+    public SignatureRequestResponseAttachment required(@javax.annotation.Nonnull Boolean required) {
         this.required = required;
         return this;
     }
@@ -170,11 +170,12 @@ public Boolean getRequired() {
 
     @JsonProperty(JSON_PROPERTY_REQUIRED)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setRequired(Boolean required) {
+    public void setRequired(@javax.annotation.Nonnull Boolean required) {
         this.required = required;
     }
 
-    public SignatureRequestResponseAttachment instructions(String instructions) {
+    public SignatureRequestResponseAttachment instructions(
+            @javax.annotation.Nullable String instructions) {
         this.instructions = instructions;
         return this;
     }
@@ -192,11 +193,12 @@ public String getInstructions() {
 
     @JsonProperty(JSON_PROPERTY_INSTRUCTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setInstructions(String instructions) {
+    public void setInstructions(@javax.annotation.Nullable String instructions) {
         this.instructions = instructions;
     }
 
-    public SignatureRequestResponseAttachment uploadedAt(Integer uploadedAt) {
+    public SignatureRequestResponseAttachment uploadedAt(
+            @javax.annotation.Nullable Integer uploadedAt) {
         this.uploadedAt = uploadedAt;
         return this;
     }
@@ -214,7 +216,7 @@ public Integer getUploadedAt() {
 
     @JsonProperty(JSON_PROPERTY_UPLOADED_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setUploadedAt(Integer uploadedAt) {
+    public void setUploadedAt(@javax.annotation.Nullable Integer uploadedAt) {
         this.uploadedAt = uploadedAt;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseCustomFieldBase.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseCustomFieldBase.java
index eff161450..4eb96aa4d 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseCustomFieldBase.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseCustomFieldBase.java
@@ -39,7 +39,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -56,19 +56,19 @@
 })
 public class SignatureRequestResponseCustomFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type;
+    @javax.annotation.Nonnull private String type;
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nonnull private String name;
 
     public static final String JSON_PROPERTY_REQUIRED = "required";
-    private Boolean required;
+    @javax.annotation.Nullable private Boolean required;
 
     public static final String JSON_PROPERTY_API_ID = "api_id";
-    private String apiId;
+    @javax.annotation.Nullable private String apiId;
 
     public static final String JSON_PROPERTY_EDITOR = "editor";
-    private String editor;
+    @javax.annotation.Nullable private String editor;
 
     public SignatureRequestResponseCustomFieldBase() {}
 
@@ -89,7 +89,7 @@ public static SignatureRequestResponseCustomFieldBase init(HashMap data) throws
                         SignatureRequestResponseCustomFieldBase.class);
     }
 
-    public SignatureRequestResponseCustomFieldBase type(String type) {
+    public SignatureRequestResponseCustomFieldBase type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -109,11 +109,11 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public SignatureRequestResponseCustomFieldBase name(String name) {
+    public SignatureRequestResponseCustomFieldBase name(@javax.annotation.Nonnull String name) {
         this.name = name;
         return this;
     }
@@ -132,11 +132,12 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nonnull String name) {
         this.name = name;
     }
 
-    public SignatureRequestResponseCustomFieldBase required(Boolean required) {
+    public SignatureRequestResponseCustomFieldBase required(
+            @javax.annotation.Nullable Boolean required) {
         this.required = required;
         return this;
     }
@@ -154,11 +155,11 @@ public Boolean getRequired() {
 
     @JsonProperty(JSON_PROPERTY_REQUIRED)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRequired(Boolean required) {
+    public void setRequired(@javax.annotation.Nullable Boolean required) {
         this.required = required;
     }
 
-    public SignatureRequestResponseCustomFieldBase apiId(String apiId) {
+    public SignatureRequestResponseCustomFieldBase apiId(@javax.annotation.Nullable String apiId) {
         this.apiId = apiId;
         return this;
     }
@@ -176,11 +177,12 @@ public String getApiId() {
 
     @JsonProperty(JSON_PROPERTY_API_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setApiId(String apiId) {
+    public void setApiId(@javax.annotation.Nullable String apiId) {
         this.apiId = apiId;
     }
 
-    public SignatureRequestResponseCustomFieldBase editor(String editor) {
+    public SignatureRequestResponseCustomFieldBase editor(
+            @javax.annotation.Nullable String editor) {
         this.editor = editor;
         return this;
     }
@@ -198,7 +200,7 @@ public String getEditor() {
 
     @JsonProperty(JSON_PROPERTY_EDITOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEditor(String editor) {
+    public void setEditor(@javax.annotation.Nullable String editor) {
         this.editor = editor;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseCustomFieldCheckbox.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseCustomFieldCheckbox.java
index f2f207ebf..8e0952e3d 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseCustomFieldCheckbox.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseCustomFieldCheckbox.java
@@ -31,7 +31,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -43,10 +43,10 @@
 public class SignatureRequestResponseCustomFieldCheckbox
         extends SignatureRequestResponseCustomFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "checkbox";
+    @javax.annotation.Nonnull private String type = "checkbox";
 
     public static final String JSON_PROPERTY_VALUE = "value";
-    private Boolean value;
+    @javax.annotation.Nullable private Boolean value;
 
     public SignatureRequestResponseCustomFieldCheckbox() {}
 
@@ -68,7 +68,7 @@ public static SignatureRequestResponseCustomFieldCheckbox init(HashMap data) thr
                         SignatureRequestResponseCustomFieldCheckbox.class);
     }
 
-    public SignatureRequestResponseCustomFieldCheckbox type(String type) {
+    public SignatureRequestResponseCustomFieldCheckbox type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -88,11 +88,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public SignatureRequestResponseCustomFieldCheckbox value(Boolean value) {
+    public SignatureRequestResponseCustomFieldCheckbox value(
+            @javax.annotation.Nullable Boolean value) {
         this.value = value;
         return this;
     }
@@ -110,7 +111,7 @@ public Boolean getValue() {
 
     @JsonProperty(JSON_PROPERTY_VALUE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValue(Boolean value) {
+    public void setValue(@javax.annotation.Nullable Boolean value) {
         this.value = value;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseCustomFieldText.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseCustomFieldText.java
index 31c911d42..bb882571a 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseCustomFieldText.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseCustomFieldText.java
@@ -31,7 +31,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -43,10 +43,10 @@
 public class SignatureRequestResponseCustomFieldText
         extends SignatureRequestResponseCustomFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "text";
+    @javax.annotation.Nonnull private String type = "text";
 
     public static final String JSON_PROPERTY_VALUE = "value";
-    private String value;
+    @javax.annotation.Nullable private String value;
 
     public SignatureRequestResponseCustomFieldText() {}
 
@@ -67,7 +67,7 @@ public static SignatureRequestResponseCustomFieldText init(HashMap data) throws
                         SignatureRequestResponseCustomFieldText.class);
     }
 
-    public SignatureRequestResponseCustomFieldText type(String type) {
+    public SignatureRequestResponseCustomFieldText type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -87,11 +87,11 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public SignatureRequestResponseCustomFieldText value(String value) {
+    public SignatureRequestResponseCustomFieldText value(@javax.annotation.Nullable String value) {
         this.value = value;
         return this;
     }
@@ -109,7 +109,7 @@ public String getValue() {
 
     @JsonProperty(JSON_PROPERTY_VALUE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValue(String value) {
+    public void setValue(@javax.annotation.Nullable String value) {
         this.value = value;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataBase.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataBase.java
index 1b5606c45..e50d2024f 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataBase.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataBase.java
@@ -38,7 +38,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -68,19 +68,19 @@
 })
 public class SignatureRequestResponseDataBase {
     public static final String JSON_PROPERTY_API_ID = "api_id";
-    private String apiId;
+    @javax.annotation.Nullable private String apiId;
 
     public static final String JSON_PROPERTY_SIGNATURE_ID = "signature_id";
-    private String signatureId;
+    @javax.annotation.Nullable private String signatureId;
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public static final String JSON_PROPERTY_REQUIRED = "required";
-    private Boolean required;
+    @javax.annotation.Nullable private Boolean required;
 
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type;
+    @javax.annotation.Nullable private String type;
 
     public SignatureRequestResponseDataBase() {}
 
@@ -100,7 +100,7 @@ public static SignatureRequestResponseDataBase init(HashMap data) throws Excepti
                         SignatureRequestResponseDataBase.class);
     }
 
-    public SignatureRequestResponseDataBase apiId(String apiId) {
+    public SignatureRequestResponseDataBase apiId(@javax.annotation.Nullable String apiId) {
         this.apiId = apiId;
         return this;
     }
@@ -118,11 +118,12 @@ public String getApiId() {
 
     @JsonProperty(JSON_PROPERTY_API_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setApiId(String apiId) {
+    public void setApiId(@javax.annotation.Nullable String apiId) {
         this.apiId = apiId;
     }
 
-    public SignatureRequestResponseDataBase signatureId(String signatureId) {
+    public SignatureRequestResponseDataBase signatureId(
+            @javax.annotation.Nullable String signatureId) {
         this.signatureId = signatureId;
         return this;
     }
@@ -140,11 +141,11 @@ public String getSignatureId() {
 
     @JsonProperty(JSON_PROPERTY_SIGNATURE_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignatureId(String signatureId) {
+    public void setSignatureId(@javax.annotation.Nullable String signatureId) {
         this.signatureId = signatureId;
     }
 
-    public SignatureRequestResponseDataBase name(String name) {
+    public SignatureRequestResponseDataBase name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -162,11 +163,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
-    public SignatureRequestResponseDataBase required(Boolean required) {
+    public SignatureRequestResponseDataBase required(@javax.annotation.Nullable Boolean required) {
         this.required = required;
         return this;
     }
@@ -184,11 +185,11 @@ public Boolean getRequired() {
 
     @JsonProperty(JSON_PROPERTY_REQUIRED)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRequired(Boolean required) {
+    public void setRequired(@javax.annotation.Nullable Boolean required) {
         this.required = required;
     }
 
-    public SignatureRequestResponseDataBase type(String type) {
+    public SignatureRequestResponseDataBase type(@javax.annotation.Nullable String type) {
         this.type = type;
         return this;
     }
@@ -206,7 +207,7 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nullable String type) {
         this.type = type;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueCheckbox.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueCheckbox.java
index 656b82718..aa196e173 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueCheckbox.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueCheckbox.java
@@ -31,7 +31,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -42,10 +42,10 @@
         visible = true)
 public class SignatureRequestResponseDataValueCheckbox extends SignatureRequestResponseDataBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "checkbox";
+    @javax.annotation.Nullable private String type = "checkbox";
 
     public static final String JSON_PROPERTY_VALUE = "value";
-    private Boolean value;
+    @javax.annotation.Nullable private Boolean value;
 
     public SignatureRequestResponseDataValueCheckbox() {}
 
@@ -66,7 +66,7 @@ public static SignatureRequestResponseDataValueCheckbox init(HashMap data) throw
                         SignatureRequestResponseDataValueCheckbox.class);
     }
 
-    public SignatureRequestResponseDataValueCheckbox type(String type) {
+    public SignatureRequestResponseDataValueCheckbox type(@javax.annotation.Nullable String type) {
         this.type = type;
         return this;
     }
@@ -84,11 +84,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nullable String type) {
         this.type = type;
     }
 
-    public SignatureRequestResponseDataValueCheckbox value(Boolean value) {
+    public SignatureRequestResponseDataValueCheckbox value(
+            @javax.annotation.Nullable Boolean value) {
         this.value = value;
         return this;
     }
@@ -106,7 +107,7 @@ public Boolean getValue() {
 
     @JsonProperty(JSON_PROPERTY_VALUE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValue(Boolean value) {
+    public void setValue(@javax.annotation.Nullable Boolean value) {
         this.value = value;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueCheckboxMerge.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueCheckboxMerge.java
index 9127f681c..99139c870 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueCheckboxMerge.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueCheckboxMerge.java
@@ -31,7 +31,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -43,10 +43,10 @@
 public class SignatureRequestResponseDataValueCheckboxMerge
         extends SignatureRequestResponseDataBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "checkbox-merge";
+    @javax.annotation.Nullable private String type = "checkbox-merge";
 
     public static final String JSON_PROPERTY_VALUE = "value";
-    private String value;
+    @javax.annotation.Nullable private String value;
 
     public SignatureRequestResponseDataValueCheckboxMerge() {}
 
@@ -69,7 +69,8 @@ public static SignatureRequestResponseDataValueCheckboxMerge init(HashMap data)
                         SignatureRequestResponseDataValueCheckboxMerge.class);
     }
 
-    public SignatureRequestResponseDataValueCheckboxMerge type(String type) {
+    public SignatureRequestResponseDataValueCheckboxMerge type(
+            @javax.annotation.Nullable String type) {
         this.type = type;
         return this;
     }
@@ -87,11 +88,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nullable String type) {
         this.type = type;
     }
 
-    public SignatureRequestResponseDataValueCheckboxMerge value(String value) {
+    public SignatureRequestResponseDataValueCheckboxMerge value(
+            @javax.annotation.Nullable String value) {
         this.value = value;
         return this;
     }
@@ -109,7 +111,7 @@ public String getValue() {
 
     @JsonProperty(JSON_PROPERTY_VALUE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValue(String value) {
+    public void setValue(@javax.annotation.Nullable String value) {
         this.value = value;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueDateSigned.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueDateSigned.java
index b93a26238..038a3cc60 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueDateSigned.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueDateSigned.java
@@ -31,7 +31,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -42,10 +42,10 @@
         visible = true)
 public class SignatureRequestResponseDataValueDateSigned extends SignatureRequestResponseDataBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "date_signed";
+    @javax.annotation.Nullable private String type = "date_signed";
 
     public static final String JSON_PROPERTY_VALUE = "value";
-    private String value;
+    @javax.annotation.Nullable private String value;
 
     public SignatureRequestResponseDataValueDateSigned() {}
 
@@ -67,7 +67,8 @@ public static SignatureRequestResponseDataValueDateSigned init(HashMap data) thr
                         SignatureRequestResponseDataValueDateSigned.class);
     }
 
-    public SignatureRequestResponseDataValueDateSigned type(String type) {
+    public SignatureRequestResponseDataValueDateSigned type(
+            @javax.annotation.Nullable String type) {
         this.type = type;
         return this;
     }
@@ -85,11 +86,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nullable String type) {
         this.type = type;
     }
 
-    public SignatureRequestResponseDataValueDateSigned value(String value) {
+    public SignatureRequestResponseDataValueDateSigned value(
+            @javax.annotation.Nullable String value) {
         this.value = value;
         return this;
     }
@@ -107,7 +109,7 @@ public String getValue() {
 
     @JsonProperty(JSON_PROPERTY_VALUE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValue(String value) {
+    public void setValue(@javax.annotation.Nullable String value) {
         this.value = value;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueDropdown.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueDropdown.java
index b52dee36f..e702df116 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueDropdown.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueDropdown.java
@@ -31,7 +31,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -42,10 +42,10 @@
         visible = true)
 public class SignatureRequestResponseDataValueDropdown extends SignatureRequestResponseDataBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "dropdown";
+    @javax.annotation.Nullable private String type = "dropdown";
 
     public static final String JSON_PROPERTY_VALUE = "value";
-    private String value;
+    @javax.annotation.Nullable private String value;
 
     public SignatureRequestResponseDataValueDropdown() {}
 
@@ -66,7 +66,7 @@ public static SignatureRequestResponseDataValueDropdown init(HashMap data) throw
                         SignatureRequestResponseDataValueDropdown.class);
     }
 
-    public SignatureRequestResponseDataValueDropdown type(String type) {
+    public SignatureRequestResponseDataValueDropdown type(@javax.annotation.Nullable String type) {
         this.type = type;
         return this;
     }
@@ -84,11 +84,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nullable String type) {
         this.type = type;
     }
 
-    public SignatureRequestResponseDataValueDropdown value(String value) {
+    public SignatureRequestResponseDataValueDropdown value(
+            @javax.annotation.Nullable String value) {
         this.value = value;
         return this;
     }
@@ -106,7 +107,7 @@ public String getValue() {
 
     @JsonProperty(JSON_PROPERTY_VALUE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValue(String value) {
+    public void setValue(@javax.annotation.Nullable String value) {
         this.value = value;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueInitials.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueInitials.java
index 28262ccf4..bd936ff8d 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueInitials.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueInitials.java
@@ -32,7 +32,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -43,13 +43,13 @@
         visible = true)
 public class SignatureRequestResponseDataValueInitials extends SignatureRequestResponseDataBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "initials";
+    @javax.annotation.Nullable private String type = "initials";
 
     public static final String JSON_PROPERTY_VALUE = "value";
-    private String value;
+    @javax.annotation.Nullable private String value;
 
     public static final String JSON_PROPERTY_IS_SIGNED = "is_signed";
-    private Boolean isSigned;
+    @javax.annotation.Nullable private Boolean isSigned;
 
     public SignatureRequestResponseDataValueInitials() {}
 
@@ -70,7 +70,7 @@ public static SignatureRequestResponseDataValueInitials init(HashMap data) throw
                         SignatureRequestResponseDataValueInitials.class);
     }
 
-    public SignatureRequestResponseDataValueInitials type(String type) {
+    public SignatureRequestResponseDataValueInitials type(@javax.annotation.Nullable String type) {
         this.type = type;
         return this;
     }
@@ -88,11 +88,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nullable String type) {
         this.type = type;
     }
 
-    public SignatureRequestResponseDataValueInitials value(String value) {
+    public SignatureRequestResponseDataValueInitials value(
+            @javax.annotation.Nullable String value) {
         this.value = value;
         return this;
     }
@@ -110,11 +111,12 @@ public String getValue() {
 
     @JsonProperty(JSON_PROPERTY_VALUE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValue(String value) {
+    public void setValue(@javax.annotation.Nullable String value) {
         this.value = value;
     }
 
-    public SignatureRequestResponseDataValueInitials isSigned(Boolean isSigned) {
+    public SignatureRequestResponseDataValueInitials isSigned(
+            @javax.annotation.Nullable Boolean isSigned) {
         this.isSigned = isSigned;
         return this;
     }
@@ -132,7 +134,7 @@ public Boolean getIsSigned() {
 
     @JsonProperty(JSON_PROPERTY_IS_SIGNED)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsSigned(Boolean isSigned) {
+    public void setIsSigned(@javax.annotation.Nullable Boolean isSigned) {
         this.isSigned = isSigned;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueRadio.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueRadio.java
index a5d63ae2c..58eb6518c 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueRadio.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueRadio.java
@@ -31,7 +31,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -42,10 +42,10 @@
         visible = true)
 public class SignatureRequestResponseDataValueRadio extends SignatureRequestResponseDataBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "radio";
+    @javax.annotation.Nullable private String type = "radio";
 
     public static final String JSON_PROPERTY_VALUE = "value";
-    private Boolean value;
+    @javax.annotation.Nullable private Boolean value;
 
     public SignatureRequestResponseDataValueRadio() {}
 
@@ -65,7 +65,7 @@ public static SignatureRequestResponseDataValueRadio init(HashMap data) throws E
                         SignatureRequestResponseDataValueRadio.class);
     }
 
-    public SignatureRequestResponseDataValueRadio type(String type) {
+    public SignatureRequestResponseDataValueRadio type(@javax.annotation.Nullable String type) {
         this.type = type;
         return this;
     }
@@ -83,11 +83,11 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nullable String type) {
         this.type = type;
     }
 
-    public SignatureRequestResponseDataValueRadio value(Boolean value) {
+    public SignatureRequestResponseDataValueRadio value(@javax.annotation.Nullable Boolean value) {
         this.value = value;
         return this;
     }
@@ -105,7 +105,7 @@ public Boolean getValue() {
 
     @JsonProperty(JSON_PROPERTY_VALUE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValue(Boolean value) {
+    public void setValue(@javax.annotation.Nullable Boolean value) {
         this.value = value;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueSignature.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueSignature.java
index 657bc4864..e08d208d0 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueSignature.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueSignature.java
@@ -32,7 +32,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -43,13 +43,13 @@
         visible = true)
 public class SignatureRequestResponseDataValueSignature extends SignatureRequestResponseDataBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "signature";
+    @javax.annotation.Nullable private String type = "signature";
 
     public static final String JSON_PROPERTY_VALUE = "value";
-    private String value;
+    @javax.annotation.Nullable private String value;
 
     public static final String JSON_PROPERTY_IS_SIGNED = "is_signed";
-    private Boolean isSigned;
+    @javax.annotation.Nullable private Boolean isSigned;
 
     public SignatureRequestResponseDataValueSignature() {}
 
@@ -71,7 +71,7 @@ public static SignatureRequestResponseDataValueSignature init(HashMap data) thro
                         SignatureRequestResponseDataValueSignature.class);
     }
 
-    public SignatureRequestResponseDataValueSignature type(String type) {
+    public SignatureRequestResponseDataValueSignature type(@javax.annotation.Nullable String type) {
         this.type = type;
         return this;
     }
@@ -89,11 +89,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nullable String type) {
         this.type = type;
     }
 
-    public SignatureRequestResponseDataValueSignature value(String value) {
+    public SignatureRequestResponseDataValueSignature value(
+            @javax.annotation.Nullable String value) {
         this.value = value;
         return this;
     }
@@ -111,11 +112,12 @@ public String getValue() {
 
     @JsonProperty(JSON_PROPERTY_VALUE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValue(String value) {
+    public void setValue(@javax.annotation.Nullable String value) {
         this.value = value;
     }
 
-    public SignatureRequestResponseDataValueSignature isSigned(Boolean isSigned) {
+    public SignatureRequestResponseDataValueSignature isSigned(
+            @javax.annotation.Nullable Boolean isSigned) {
         this.isSigned = isSigned;
         return this;
     }
@@ -133,7 +135,7 @@ public Boolean getIsSigned() {
 
     @JsonProperty(JSON_PROPERTY_IS_SIGNED)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsSigned(Boolean isSigned) {
+    public void setIsSigned(@javax.annotation.Nullable Boolean isSigned) {
         this.isSigned = isSigned;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueText.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueText.java
index d9c7af057..ea517a79b 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueText.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueText.java
@@ -31,7 +31,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -42,10 +42,10 @@
         visible = true)
 public class SignatureRequestResponseDataValueText extends SignatureRequestResponseDataBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "text";
+    @javax.annotation.Nullable private String type = "text";
 
     public static final String JSON_PROPERTY_VALUE = "value";
-    private String value;
+    @javax.annotation.Nullable private String value;
 
     public SignatureRequestResponseDataValueText() {}
 
@@ -65,7 +65,7 @@ public static SignatureRequestResponseDataValueText init(HashMap data) throws Ex
                         SignatureRequestResponseDataValueText.class);
     }
 
-    public SignatureRequestResponseDataValueText type(String type) {
+    public SignatureRequestResponseDataValueText type(@javax.annotation.Nullable String type) {
         this.type = type;
         return this;
     }
@@ -83,11 +83,11 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nullable String type) {
         this.type = type;
     }
 
-    public SignatureRequestResponseDataValueText value(String value) {
+    public SignatureRequestResponseDataValueText value(@javax.annotation.Nullable String value) {
         this.value = value;
         return this;
     }
@@ -105,7 +105,7 @@ public String getValue() {
 
     @JsonProperty(JSON_PROPERTY_VALUE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValue(String value) {
+    public void setValue(@javax.annotation.Nullable String value) {
         this.value = value;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueTextMerge.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueTextMerge.java
index 1b796dbd6..0c3deed89 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueTextMerge.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseDataValueTextMerge.java
@@ -31,7 +31,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -42,10 +42,10 @@
         visible = true)
 public class SignatureRequestResponseDataValueTextMerge extends SignatureRequestResponseDataBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "text-merge";
+    @javax.annotation.Nullable private String type = "text-merge";
 
     public static final String JSON_PROPERTY_VALUE = "value";
-    private String value;
+    @javax.annotation.Nullable private String value;
 
     public SignatureRequestResponseDataValueTextMerge() {}
 
@@ -67,7 +67,7 @@ public static SignatureRequestResponseDataValueTextMerge init(HashMap data) thro
                         SignatureRequestResponseDataValueTextMerge.class);
     }
 
-    public SignatureRequestResponseDataValueTextMerge type(String type) {
+    public SignatureRequestResponseDataValueTextMerge type(@javax.annotation.Nullable String type) {
         this.type = type;
         return this;
     }
@@ -85,11 +85,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nullable String type) {
         this.type = type;
     }
 
-    public SignatureRequestResponseDataValueTextMerge value(String value) {
+    public SignatureRequestResponseDataValueTextMerge value(
+            @javax.annotation.Nullable String value) {
         this.value = value;
         return this;
     }
@@ -107,7 +108,7 @@ public String getValue() {
 
     @JsonProperty(JSON_PROPERTY_VALUE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValue(String value) {
+    public void setValue(@javax.annotation.Nullable String value) {
         this.value = value;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseSignatures.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseSignatures.java
index 6dbe1116f..ede6ebb32 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseSignatures.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestResponseSignatures.java
@@ -47,65 +47,65 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SignatureRequestResponseSignatures {
     public static final String JSON_PROPERTY_SIGNATURE_ID = "signature_id";
-    private String signatureId;
+    @javax.annotation.Nullable private String signatureId;
 
     public static final String JSON_PROPERTY_SIGNER_GROUP_GUID = "signer_group_guid";
-    private String signerGroupGuid;
+    @javax.annotation.Nullable private String signerGroupGuid;
 
     public static final String JSON_PROPERTY_SIGNER_EMAIL_ADDRESS = "signer_email_address";
-    private String signerEmailAddress;
+    @javax.annotation.Nullable private String signerEmailAddress;
 
     public static final String JSON_PROPERTY_SIGNER_NAME = "signer_name";
-    private String signerName;
+    @javax.annotation.Nullable private String signerName;
 
     public static final String JSON_PROPERTY_SIGNER_ROLE = "signer_role";
-    private String signerRole;
+    @javax.annotation.Nullable private String signerRole;
 
     public static final String JSON_PROPERTY_ORDER = "order";
-    private Integer order;
+    @javax.annotation.Nullable private Integer order;
 
     public static final String JSON_PROPERTY_STATUS_CODE = "status_code";
-    private String statusCode;
+    @javax.annotation.Nullable private String statusCode;
 
     public static final String JSON_PROPERTY_DECLINE_REASON = "decline_reason";
-    private String declineReason;
+    @javax.annotation.Nullable private String declineReason;
 
     public static final String JSON_PROPERTY_SIGNED_AT = "signed_at";
-    private Integer signedAt;
+    @javax.annotation.Nullable private Integer signedAt;
 
     public static final String JSON_PROPERTY_LAST_VIEWED_AT = "last_viewed_at";
-    private Integer lastViewedAt;
+    @javax.annotation.Nullable private Integer lastViewedAt;
 
     public static final String JSON_PROPERTY_LAST_REMINDED_AT = "last_reminded_at";
-    private Integer lastRemindedAt;
+    @javax.annotation.Nullable private Integer lastRemindedAt;
 
     public static final String JSON_PROPERTY_HAS_PIN = "has_pin";
-    private Boolean hasPin;
+    @javax.annotation.Nullable private Boolean hasPin;
 
     public static final String JSON_PROPERTY_HAS_SMS_AUTH = "has_sms_auth";
-    private Boolean hasSmsAuth;
+    @javax.annotation.Nullable private Boolean hasSmsAuth;
 
     public static final String JSON_PROPERTY_HAS_SMS_DELIVERY = "has_sms_delivery";
-    private Boolean hasSmsDelivery;
+    @javax.annotation.Nullable private Boolean hasSmsDelivery;
 
     public static final String JSON_PROPERTY_SMS_PHONE_NUMBER = "sms_phone_number";
-    private String smsPhoneNumber;
+    @javax.annotation.Nullable private String smsPhoneNumber;
 
     public static final String JSON_PROPERTY_REASSIGNED_BY = "reassigned_by";
-    private String reassignedBy;
+    @javax.annotation.Nullable private String reassignedBy;
 
     public static final String JSON_PROPERTY_REASSIGNMENT_REASON = "reassignment_reason";
-    private String reassignmentReason;
+    @javax.annotation.Nullable private String reassignmentReason;
 
     public static final String JSON_PROPERTY_REASSIGNED_FROM = "reassigned_from";
-    private String reassignedFrom;
+    @javax.annotation.Nullable private String reassignedFrom;
 
     public static final String JSON_PROPERTY_ERROR = "error";
-    private String error;
+    @javax.annotation.Nullable private String error;
 
     public SignatureRequestResponseSignatures() {}
 
@@ -125,7 +125,8 @@ public static SignatureRequestResponseSignatures init(HashMap data) throws Excep
                         SignatureRequestResponseSignatures.class);
     }
 
-    public SignatureRequestResponseSignatures signatureId(String signatureId) {
+    public SignatureRequestResponseSignatures signatureId(
+            @javax.annotation.Nullable String signatureId) {
         this.signatureId = signatureId;
         return this;
     }
@@ -143,11 +144,12 @@ public String getSignatureId() {
 
     @JsonProperty(JSON_PROPERTY_SIGNATURE_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignatureId(String signatureId) {
+    public void setSignatureId(@javax.annotation.Nullable String signatureId) {
         this.signatureId = signatureId;
     }
 
-    public SignatureRequestResponseSignatures signerGroupGuid(String signerGroupGuid) {
+    public SignatureRequestResponseSignatures signerGroupGuid(
+            @javax.annotation.Nullable String signerGroupGuid) {
         this.signerGroupGuid = signerGroupGuid;
         return this;
     }
@@ -165,11 +167,12 @@ public String getSignerGroupGuid() {
 
     @JsonProperty(JSON_PROPERTY_SIGNER_GROUP_GUID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignerGroupGuid(String signerGroupGuid) {
+    public void setSignerGroupGuid(@javax.annotation.Nullable String signerGroupGuid) {
         this.signerGroupGuid = signerGroupGuid;
     }
 
-    public SignatureRequestResponseSignatures signerEmailAddress(String signerEmailAddress) {
+    public SignatureRequestResponseSignatures signerEmailAddress(
+            @javax.annotation.Nullable String signerEmailAddress) {
         this.signerEmailAddress = signerEmailAddress;
         return this;
     }
@@ -187,11 +190,12 @@ public String getSignerEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_SIGNER_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignerEmailAddress(String signerEmailAddress) {
+    public void setSignerEmailAddress(@javax.annotation.Nullable String signerEmailAddress) {
         this.signerEmailAddress = signerEmailAddress;
     }
 
-    public SignatureRequestResponseSignatures signerName(String signerName) {
+    public SignatureRequestResponseSignatures signerName(
+            @javax.annotation.Nullable String signerName) {
         this.signerName = signerName;
         return this;
     }
@@ -209,11 +213,12 @@ public String getSignerName() {
 
     @JsonProperty(JSON_PROPERTY_SIGNER_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignerName(String signerName) {
+    public void setSignerName(@javax.annotation.Nullable String signerName) {
         this.signerName = signerName;
     }
 
-    public SignatureRequestResponseSignatures signerRole(String signerRole) {
+    public SignatureRequestResponseSignatures signerRole(
+            @javax.annotation.Nullable String signerRole) {
         this.signerRole = signerRole;
         return this;
     }
@@ -231,11 +236,11 @@ public String getSignerRole() {
 
     @JsonProperty(JSON_PROPERTY_SIGNER_ROLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignerRole(String signerRole) {
+    public void setSignerRole(@javax.annotation.Nullable String signerRole) {
         this.signerRole = signerRole;
     }
 
-    public SignatureRequestResponseSignatures order(Integer order) {
+    public SignatureRequestResponseSignatures order(@javax.annotation.Nullable Integer order) {
         this.order = order;
         return this;
     }
@@ -253,11 +258,12 @@ public Integer getOrder() {
 
     @JsonProperty(JSON_PROPERTY_ORDER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOrder(Integer order) {
+    public void setOrder(@javax.annotation.Nullable Integer order) {
         this.order = order;
     }
 
-    public SignatureRequestResponseSignatures statusCode(String statusCode) {
+    public SignatureRequestResponseSignatures statusCode(
+            @javax.annotation.Nullable String statusCode) {
         this.statusCode = statusCode;
         return this;
     }
@@ -275,11 +281,12 @@ public String getStatusCode() {
 
     @JsonProperty(JSON_PROPERTY_STATUS_CODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setStatusCode(String statusCode) {
+    public void setStatusCode(@javax.annotation.Nullable String statusCode) {
         this.statusCode = statusCode;
     }
 
-    public SignatureRequestResponseSignatures declineReason(String declineReason) {
+    public SignatureRequestResponseSignatures declineReason(
+            @javax.annotation.Nullable String declineReason) {
         this.declineReason = declineReason;
         return this;
     }
@@ -297,11 +304,12 @@ public String getDeclineReason() {
 
     @JsonProperty(JSON_PROPERTY_DECLINE_REASON)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setDeclineReason(String declineReason) {
+    public void setDeclineReason(@javax.annotation.Nullable String declineReason) {
         this.declineReason = declineReason;
     }
 
-    public SignatureRequestResponseSignatures signedAt(Integer signedAt) {
+    public SignatureRequestResponseSignatures signedAt(
+            @javax.annotation.Nullable Integer signedAt) {
         this.signedAt = signedAt;
         return this;
     }
@@ -319,11 +327,12 @@ public Integer getSignedAt() {
 
     @JsonProperty(JSON_PROPERTY_SIGNED_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignedAt(Integer signedAt) {
+    public void setSignedAt(@javax.annotation.Nullable Integer signedAt) {
         this.signedAt = signedAt;
     }
 
-    public SignatureRequestResponseSignatures lastViewedAt(Integer lastViewedAt) {
+    public SignatureRequestResponseSignatures lastViewedAt(
+            @javax.annotation.Nullable Integer lastViewedAt) {
         this.lastViewedAt = lastViewedAt;
         return this;
     }
@@ -341,11 +350,12 @@ public Integer getLastViewedAt() {
 
     @JsonProperty(JSON_PROPERTY_LAST_VIEWED_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setLastViewedAt(Integer lastViewedAt) {
+    public void setLastViewedAt(@javax.annotation.Nullable Integer lastViewedAt) {
         this.lastViewedAt = lastViewedAt;
     }
 
-    public SignatureRequestResponseSignatures lastRemindedAt(Integer lastRemindedAt) {
+    public SignatureRequestResponseSignatures lastRemindedAt(
+            @javax.annotation.Nullable Integer lastRemindedAt) {
         this.lastRemindedAt = lastRemindedAt;
         return this;
     }
@@ -363,11 +373,11 @@ public Integer getLastRemindedAt() {
 
     @JsonProperty(JSON_PROPERTY_LAST_REMINDED_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setLastRemindedAt(Integer lastRemindedAt) {
+    public void setLastRemindedAt(@javax.annotation.Nullable Integer lastRemindedAt) {
         this.lastRemindedAt = lastRemindedAt;
     }
 
-    public SignatureRequestResponseSignatures hasPin(Boolean hasPin) {
+    public SignatureRequestResponseSignatures hasPin(@javax.annotation.Nullable Boolean hasPin) {
         this.hasPin = hasPin;
         return this;
     }
@@ -385,11 +395,12 @@ public Boolean getHasPin() {
 
     @JsonProperty(JSON_PROPERTY_HAS_PIN)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHasPin(Boolean hasPin) {
+    public void setHasPin(@javax.annotation.Nullable Boolean hasPin) {
         this.hasPin = hasPin;
     }
 
-    public SignatureRequestResponseSignatures hasSmsAuth(Boolean hasSmsAuth) {
+    public SignatureRequestResponseSignatures hasSmsAuth(
+            @javax.annotation.Nullable Boolean hasSmsAuth) {
         this.hasSmsAuth = hasSmsAuth;
         return this;
     }
@@ -407,11 +418,12 @@ public Boolean getHasSmsAuth() {
 
     @JsonProperty(JSON_PROPERTY_HAS_SMS_AUTH)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHasSmsAuth(Boolean hasSmsAuth) {
+    public void setHasSmsAuth(@javax.annotation.Nullable Boolean hasSmsAuth) {
         this.hasSmsAuth = hasSmsAuth;
     }
 
-    public SignatureRequestResponseSignatures hasSmsDelivery(Boolean hasSmsDelivery) {
+    public SignatureRequestResponseSignatures hasSmsDelivery(
+            @javax.annotation.Nullable Boolean hasSmsDelivery) {
         this.hasSmsDelivery = hasSmsDelivery;
         return this;
     }
@@ -429,11 +441,12 @@ public Boolean getHasSmsDelivery() {
 
     @JsonProperty(JSON_PROPERTY_HAS_SMS_DELIVERY)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHasSmsDelivery(Boolean hasSmsDelivery) {
+    public void setHasSmsDelivery(@javax.annotation.Nullable Boolean hasSmsDelivery) {
         this.hasSmsDelivery = hasSmsDelivery;
     }
 
-    public SignatureRequestResponseSignatures smsPhoneNumber(String smsPhoneNumber) {
+    public SignatureRequestResponseSignatures smsPhoneNumber(
+            @javax.annotation.Nullable String smsPhoneNumber) {
         this.smsPhoneNumber = smsPhoneNumber;
         return this;
     }
@@ -451,11 +464,12 @@ public String getSmsPhoneNumber() {
 
     @JsonProperty(JSON_PROPERTY_SMS_PHONE_NUMBER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSmsPhoneNumber(String smsPhoneNumber) {
+    public void setSmsPhoneNumber(@javax.annotation.Nullable String smsPhoneNumber) {
         this.smsPhoneNumber = smsPhoneNumber;
     }
 
-    public SignatureRequestResponseSignatures reassignedBy(String reassignedBy) {
+    public SignatureRequestResponseSignatures reassignedBy(
+            @javax.annotation.Nullable String reassignedBy) {
         this.reassignedBy = reassignedBy;
         return this;
     }
@@ -473,11 +487,12 @@ public String getReassignedBy() {
 
     @JsonProperty(JSON_PROPERTY_REASSIGNED_BY)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setReassignedBy(String reassignedBy) {
+    public void setReassignedBy(@javax.annotation.Nullable String reassignedBy) {
         this.reassignedBy = reassignedBy;
     }
 
-    public SignatureRequestResponseSignatures reassignmentReason(String reassignmentReason) {
+    public SignatureRequestResponseSignatures reassignmentReason(
+            @javax.annotation.Nullable String reassignmentReason) {
         this.reassignmentReason = reassignmentReason;
         return this;
     }
@@ -495,11 +510,12 @@ public String getReassignmentReason() {
 
     @JsonProperty(JSON_PROPERTY_REASSIGNMENT_REASON)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setReassignmentReason(String reassignmentReason) {
+    public void setReassignmentReason(@javax.annotation.Nullable String reassignmentReason) {
         this.reassignmentReason = reassignmentReason;
     }
 
-    public SignatureRequestResponseSignatures reassignedFrom(String reassignedFrom) {
+    public SignatureRequestResponseSignatures reassignedFrom(
+            @javax.annotation.Nullable String reassignedFrom) {
         this.reassignedFrom = reassignedFrom;
         return this;
     }
@@ -517,11 +533,11 @@ public String getReassignedFrom() {
 
     @JsonProperty(JSON_PROPERTY_REASSIGNED_FROM)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setReassignedFrom(String reassignedFrom) {
+    public void setReassignedFrom(@javax.annotation.Nullable String reassignedFrom) {
         this.reassignedFrom = reassignedFrom;
     }
 
-    public SignatureRequestResponseSignatures error(String error) {
+    public SignatureRequestResponseSignatures error(@javax.annotation.Nullable String error) {
         this.error = error;
         return this;
     }
@@ -539,7 +555,7 @@ public String getError() {
 
     @JsonProperty(JSON_PROPERTY_ERROR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setError(String error) {
+    public void setError(@javax.annotation.Nullable String error) {
         this.error = error;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestSendRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestSendRequest.java
index 06f7431dc..252b39102 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestSendRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestSendRequest.java
@@ -57,86 +57,88 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SignatureRequestSendRequest {
     public static final String JSON_PROPERTY_FILES = "files";
-    private List<File> files = null;
+    @javax.annotation.Nullable private List<File> files = null;
 
     public static final String JSON_PROPERTY_FILE_URLS = "file_urls";
-    private List<String> fileUrls = null;
+    @javax.annotation.Nullable private List<String> fileUrls = null;
 
     public static final String JSON_PROPERTY_SIGNERS = "signers";
-    private List<SubSignatureRequestSigner> signers = null;
+    @javax.annotation.Nullable private List<SubSignatureRequestSigner> signers = null;
 
     public static final String JSON_PROPERTY_GROUPED_SIGNERS = "grouped_signers";
-    private List<SubSignatureRequestGroupedSigners> groupedSigners = null;
+
+    @javax.annotation.Nullable private List<SubSignatureRequestGroupedSigners> groupedSigners = null;
 
     public static final String JSON_PROPERTY_ALLOW_DECLINE = "allow_decline";
-    private Boolean allowDecline = false;
+    @javax.annotation.Nullable private Boolean allowDecline = false;
 
     public static final String JSON_PROPERTY_ALLOW_REASSIGN = "allow_reassign";
-    private Boolean allowReassign = false;
+    @javax.annotation.Nullable private Boolean allowReassign = false;
 
     public static final String JSON_PROPERTY_ATTACHMENTS = "attachments";
-    private List<SubAttachment> attachments = null;
+    @javax.annotation.Nullable private List<SubAttachment> attachments = null;
 
     public static final String JSON_PROPERTY_CC_EMAIL_ADDRESSES = "cc_email_addresses";
-    private List<String> ccEmailAddresses = null;
+    @javax.annotation.Nullable private List<String> ccEmailAddresses = null;
 
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nullable private String clientId;
 
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    private List<SubCustomField> customFields = null;
+    @javax.annotation.Nullable private List<SubCustomField> customFields = null;
 
     public static final String JSON_PROPERTY_FIELD_OPTIONS = "field_options";
-    private SubFieldOptions fieldOptions;
+    @javax.annotation.Nullable private SubFieldOptions fieldOptions;
 
     public static final String JSON_PROPERTY_FORM_FIELD_GROUPS = "form_field_groups";
-    private List<SubFormFieldGroup> formFieldGroups = null;
+    @javax.annotation.Nullable private List<SubFormFieldGroup> formFieldGroups = null;
 
     public static final String JSON_PROPERTY_FORM_FIELD_RULES = "form_field_rules";
-    private List<SubFormFieldRule> formFieldRules = null;
+    @javax.annotation.Nullable private List<SubFormFieldRule> formFieldRules = null;
 
     public static final String JSON_PROPERTY_FORM_FIELDS_PER_DOCUMENT = "form_fields_per_document";
-    private List<SubFormFieldsPerDocumentBase> formFieldsPerDocument = null;
+
+    @javax.annotation.Nullable private List<SubFormFieldsPerDocumentBase> formFieldsPerDocument = null;
 
     public static final String JSON_PROPERTY_HIDE_TEXT_TAGS = "hide_text_tags";
-    private Boolean hideTextTags = false;
+    @javax.annotation.Nullable private Boolean hideTextTags = false;
 
     public static final String JSON_PROPERTY_IS_QUALIFIED_SIGNATURE = "is_qualified_signature";
-    @Deprecated private Boolean isQualifiedSignature = false;
+    @Deprecated @javax.annotation.Nullable private Boolean isQualifiedSignature = false;
 
     public static final String JSON_PROPERTY_IS_EID = "is_eid";
-    private Boolean isEid = false;
+    @javax.annotation.Nullable private Boolean isEid = false;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_SIGNING_OPTIONS = "signing_options";
-    private SubSigningOptions signingOptions;
+    @javax.annotation.Nullable private SubSigningOptions signingOptions;
 
     public static final String JSON_PROPERTY_SIGNING_REDIRECT_URL = "signing_redirect_url";
-    private String signingRedirectUrl;
+    @javax.annotation.Nullable private String signingRedirectUrl;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nullable private String title;
 
     public static final String JSON_PROPERTY_USE_TEXT_TAGS = "use_text_tags";
-    private Boolean useTextTags = false;
+    @javax.annotation.Nullable private Boolean useTextTags = false;
 
     public static final String JSON_PROPERTY_EXPIRES_AT = "expires_at";
-    private Integer expiresAt;
+    @javax.annotation.Nullable private Integer expiresAt;
 
     public SignatureRequestSendRequest() {}
 
@@ -156,7 +158,7 @@ public static SignatureRequestSendRequest init(HashMap data) throws Exception {
                         SignatureRequestSendRequest.class);
     }
 
-    public SignatureRequestSendRequest files(List<File> files) {
+    public SignatureRequestSendRequest files(@javax.annotation.Nullable List<File> files) {
         this.files = files;
         return this;
     }
@@ -183,11 +185,11 @@ public List<File> getFiles() {
 
     @JsonProperty(JSON_PROPERTY_FILES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFiles(List<File> files) {
+    public void setFiles(@javax.annotation.Nullable List<File> files) {
         this.files = files;
     }
 
-    public SignatureRequestSendRequest fileUrls(List<String> fileUrls) {
+    public SignatureRequestSendRequest fileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
         return this;
     }
@@ -214,11 +216,12 @@ public List<String> getFileUrls() {
 
     @JsonProperty(JSON_PROPERTY_FILE_URLS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFileUrls(List<String> fileUrls) {
+    public void setFileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
     }
 
-    public SignatureRequestSendRequest signers(List<SubSignatureRequestSigner> signers) {
+    public SignatureRequestSendRequest signers(
+            @javax.annotation.Nullable List<SubSignatureRequestSigner> signers) {
         this.signers = signers;
         return this;
     }
@@ -245,12 +248,12 @@ public List<SubSignatureRequestSigner> getSigners() {
 
     @JsonProperty(JSON_PROPERTY_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigners(List<SubSignatureRequestSigner> signers) {
+    public void setSigners(@javax.annotation.Nullable List<SubSignatureRequestSigner> signers) {
         this.signers = signers;
     }
 
     public SignatureRequestSendRequest groupedSigners(
-            List<SubSignatureRequestGroupedSigners> groupedSigners) {
+            @javax.annotation.Nullable List<SubSignatureRequestGroupedSigners> groupedSigners) {
         this.groupedSigners = groupedSigners;
         return this;
     }
@@ -278,11 +281,13 @@ public List<SubSignatureRequestGroupedSigners> getGroupedSigners() {
 
     @JsonProperty(JSON_PROPERTY_GROUPED_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setGroupedSigners(List<SubSignatureRequestGroupedSigners> groupedSigners) {
+    public void setGroupedSigners(
+            @javax.annotation.Nullable List<SubSignatureRequestGroupedSigners> groupedSigners) {
         this.groupedSigners = groupedSigners;
     }
 
-    public SignatureRequestSendRequest allowDecline(Boolean allowDecline) {
+    public SignatureRequestSendRequest allowDecline(
+            @javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
         return this;
     }
@@ -301,11 +306,12 @@ public Boolean getAllowDecline() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_DECLINE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowDecline(Boolean allowDecline) {
+    public void setAllowDecline(@javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
     }
 
-    public SignatureRequestSendRequest allowReassign(Boolean allowReassign) {
+    public SignatureRequestSendRequest allowReassign(
+            @javax.annotation.Nullable Boolean allowReassign) {
         this.allowReassign = allowReassign;
         return this;
     }
@@ -325,11 +331,12 @@ public Boolean getAllowReassign() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_REASSIGN)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowReassign(Boolean allowReassign) {
+    public void setAllowReassign(@javax.annotation.Nullable Boolean allowReassign) {
         this.allowReassign = allowReassign;
     }
 
-    public SignatureRequestSendRequest attachments(List<SubAttachment> attachments) {
+    public SignatureRequestSendRequest attachments(
+            @javax.annotation.Nullable List<SubAttachment> attachments) {
         this.attachments = attachments;
         return this;
     }
@@ -355,11 +362,12 @@ public List<SubAttachment> getAttachments() {
 
     @JsonProperty(JSON_PROPERTY_ATTACHMENTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAttachments(List<SubAttachment> attachments) {
+    public void setAttachments(@javax.annotation.Nullable List<SubAttachment> attachments) {
         this.attachments = attachments;
     }
 
-    public SignatureRequestSendRequest ccEmailAddresses(List<String> ccEmailAddresses) {
+    public SignatureRequestSendRequest ccEmailAddresses(
+            @javax.annotation.Nullable List<String> ccEmailAddresses) {
         this.ccEmailAddresses = ccEmailAddresses;
         return this;
     }
@@ -385,11 +393,11 @@ public List<String> getCcEmailAddresses() {
 
     @JsonProperty(JSON_PROPERTY_CC_EMAIL_ADDRESSES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcEmailAddresses(List<String> ccEmailAddresses) {
+    public void setCcEmailAddresses(@javax.annotation.Nullable List<String> ccEmailAddresses) {
         this.ccEmailAddresses = ccEmailAddresses;
     }
 
-    public SignatureRequestSendRequest clientId(String clientId) {
+    public SignatureRequestSendRequest clientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -408,11 +416,12 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
     }
 
-    public SignatureRequestSendRequest customFields(List<SubCustomField> customFields) {
+    public SignatureRequestSendRequest customFields(
+            @javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -448,11 +457,12 @@ public List<SubCustomField> getCustomFields() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<SubCustomField> customFields) {
+    public void setCustomFields(@javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
     }
 
-    public SignatureRequestSendRequest fieldOptions(SubFieldOptions fieldOptions) {
+    public SignatureRequestSendRequest fieldOptions(
+            @javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
         return this;
     }
@@ -470,11 +480,12 @@ public SubFieldOptions getFieldOptions() {
 
     @JsonProperty(JSON_PROPERTY_FIELD_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFieldOptions(SubFieldOptions fieldOptions) {
+    public void setFieldOptions(@javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
     }
 
-    public SignatureRequestSendRequest formFieldGroups(List<SubFormFieldGroup> formFieldGroups) {
+    public SignatureRequestSendRequest formFieldGroups(
+            @javax.annotation.Nullable List<SubFormFieldGroup> formFieldGroups) {
         this.formFieldGroups = formFieldGroups;
         return this;
     }
@@ -504,11 +515,13 @@ public List<SubFormFieldGroup> getFormFieldGroups() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELD_GROUPS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldGroups(List<SubFormFieldGroup> formFieldGroups) {
+    public void setFormFieldGroups(
+            @javax.annotation.Nullable List<SubFormFieldGroup> formFieldGroups) {
         this.formFieldGroups = formFieldGroups;
     }
 
-    public SignatureRequestSendRequest formFieldRules(List<SubFormFieldRule> formFieldRules) {
+    public SignatureRequestSendRequest formFieldRules(
+            @javax.annotation.Nullable List<SubFormFieldRule> formFieldRules) {
         this.formFieldRules = formFieldRules;
         return this;
     }
@@ -534,12 +547,13 @@ public List<SubFormFieldRule> getFormFieldRules() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELD_RULES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldRules(List<SubFormFieldRule> formFieldRules) {
+    public void setFormFieldRules(
+            @javax.annotation.Nullable List<SubFormFieldRule> formFieldRules) {
         this.formFieldRules = formFieldRules;
     }
 
     public SignatureRequestSendRequest formFieldsPerDocument(
-            List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
+            @javax.annotation.Nullable List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
         this.formFieldsPerDocument = formFieldsPerDocument;
         return this;
     }
@@ -581,11 +595,13 @@ public List<SubFormFieldsPerDocumentBase> getFormFieldsPerDocument() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELDS_PER_DOCUMENT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldsPerDocument(List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
+    public void setFormFieldsPerDocument(
+            @javax.annotation.Nullable List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
         this.formFieldsPerDocument = formFieldsPerDocument;
     }
 
-    public SignatureRequestSendRequest hideTextTags(Boolean hideTextTags) {
+    public SignatureRequestSendRequest hideTextTags(
+            @javax.annotation.Nullable Boolean hideTextTags) {
         this.hideTextTags = hideTextTags;
         return this;
     }
@@ -607,12 +623,13 @@ public Boolean getHideTextTags() {
 
     @JsonProperty(JSON_PROPERTY_HIDE_TEXT_TAGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHideTextTags(Boolean hideTextTags) {
+    public void setHideTextTags(@javax.annotation.Nullable Boolean hideTextTags) {
         this.hideTextTags = hideTextTags;
     }
 
     @Deprecated
-    public SignatureRequestSendRequest isQualifiedSignature(Boolean isQualifiedSignature) {
+    public SignatureRequestSendRequest isQualifiedSignature(
+            @javax.annotation.Nullable Boolean isQualifiedSignature) {
         this.isQualifiedSignature = isQualifiedSignature;
         return this;
     }
@@ -637,11 +654,11 @@ public Boolean getIsQualifiedSignature() {
     @Deprecated
     @JsonProperty(JSON_PROPERTY_IS_QUALIFIED_SIGNATURE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsQualifiedSignature(Boolean isQualifiedSignature) {
+    public void setIsQualifiedSignature(@javax.annotation.Nullable Boolean isQualifiedSignature) {
         this.isQualifiedSignature = isQualifiedSignature;
     }
 
-    public SignatureRequestSendRequest isEid(Boolean isEid) {
+    public SignatureRequestSendRequest isEid(@javax.annotation.Nullable Boolean isEid) {
         this.isEid = isEid;
         return this;
     }
@@ -663,11 +680,11 @@ public Boolean getIsEid() {
 
     @JsonProperty(JSON_PROPERTY_IS_EID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsEid(Boolean isEid) {
+    public void setIsEid(@javax.annotation.Nullable Boolean isEid) {
         this.isEid = isEid;
     }
 
-    public SignatureRequestSendRequest message(String message) {
+    public SignatureRequestSendRequest message(@javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -685,11 +702,12 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public SignatureRequestSendRequest metadata(Map<String, Object> metadata) {
+    public SignatureRequestSendRequest metadata(
+            @javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -719,11 +737,12 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
-    public SignatureRequestSendRequest signingOptions(SubSigningOptions signingOptions) {
+    public SignatureRequestSendRequest signingOptions(
+            @javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
         return this;
     }
@@ -741,11 +760,12 @@ public SubSigningOptions getSigningOptions() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningOptions(SubSigningOptions signingOptions) {
+    public void setSigningOptions(@javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
     }
 
-    public SignatureRequestSendRequest signingRedirectUrl(String signingRedirectUrl) {
+    public SignatureRequestSendRequest signingRedirectUrl(
+            @javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
         return this;
     }
@@ -763,11 +783,11 @@ public String getSigningRedirectUrl() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_REDIRECT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningRedirectUrl(String signingRedirectUrl) {
+    public void setSigningRedirectUrl(@javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
     }
 
-    public SignatureRequestSendRequest subject(String subject) {
+    public SignatureRequestSendRequest subject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -785,11 +805,11 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public SignatureRequestSendRequest testMode(Boolean testMode) {
+    public SignatureRequestSendRequest testMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -808,11 +828,11 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public SignatureRequestSendRequest title(String title) {
+    public SignatureRequestSendRequest title(@javax.annotation.Nullable String title) {
         this.title = title;
         return this;
     }
@@ -830,11 +850,11 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nullable String title) {
         this.title = title;
     }
 
-    public SignatureRequestSendRequest useTextTags(Boolean useTextTags) {
+    public SignatureRequestSendRequest useTextTags(@javax.annotation.Nullable Boolean useTextTags) {
         this.useTextTags = useTextTags;
         return this;
     }
@@ -854,11 +874,11 @@ public Boolean getUseTextTags() {
 
     @JsonProperty(JSON_PROPERTY_USE_TEXT_TAGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setUseTextTags(Boolean useTextTags) {
+    public void setUseTextTags(@javax.annotation.Nullable Boolean useTextTags) {
         this.useTextTags = useTextTags;
     }
 
-    public SignatureRequestSendRequest expiresAt(Integer expiresAt) {
+    public SignatureRequestSendRequest expiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
         return this;
     }
@@ -878,7 +898,7 @@ public Integer getExpiresAt() {
 
     @JsonProperty(JSON_PROPERTY_EXPIRES_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setExpiresAt(Integer expiresAt) {
+    public void setExpiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestSendWithTemplateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestSendWithTemplateRequest.java
index f8ae12ab6..eba4b1488 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestSendWithTemplateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestSendWithTemplateRequest.java
@@ -48,59 +48,61 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SignatureRequestSendWithTemplateRequest {
     public static final String JSON_PROPERTY_TEMPLATE_IDS = "template_ids";
-    private List<String> templateIds = new ArrayList<>();
+    @javax.annotation.Nonnull private List<String> templateIds = new ArrayList<>();
 
     public static final String JSON_PROPERTY_SIGNERS = "signers";
+
+    @javax.annotation.Nonnull
     private List<SubSignatureRequestTemplateSigner> signers = new ArrayList<>();
 
     public static final String JSON_PROPERTY_ALLOW_DECLINE = "allow_decline";
-    private Boolean allowDecline = false;
+    @javax.annotation.Nullable private Boolean allowDecline = false;
 
     public static final String JSON_PROPERTY_CCS = "ccs";
-    private List<SubCC> ccs = null;
+    @javax.annotation.Nullable private List<SubCC> ccs = null;
 
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nullable private String clientId;
 
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    private List<SubCustomField> customFields = null;
+    @javax.annotation.Nullable private List<SubCustomField> customFields = null;
 
     public static final String JSON_PROPERTY_FILES = "files";
-    private List<File> files = null;
+    @javax.annotation.Nullable private List<File> files = null;
 
     public static final String JSON_PROPERTY_FILE_URLS = "file_urls";
-    private List<String> fileUrls = null;
+    @javax.annotation.Nullable private List<String> fileUrls = null;
 
     public static final String JSON_PROPERTY_IS_QUALIFIED_SIGNATURE = "is_qualified_signature";
-    @Deprecated private Boolean isQualifiedSignature = false;
+    @Deprecated @javax.annotation.Nullable private Boolean isQualifiedSignature = false;
 
     public static final String JSON_PROPERTY_IS_EID = "is_eid";
-    private Boolean isEid = false;
+    @javax.annotation.Nullable private Boolean isEid = false;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_SIGNING_OPTIONS = "signing_options";
-    private SubSigningOptions signingOptions;
+    @javax.annotation.Nullable private SubSigningOptions signingOptions;
 
     public static final String JSON_PROPERTY_SIGNING_REDIRECT_URL = "signing_redirect_url";
-    private String signingRedirectUrl;
+    @javax.annotation.Nullable private String signingRedirectUrl;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nullable private String title;
 
     public SignatureRequestSendWithTemplateRequest() {}
 
@@ -121,7 +123,8 @@ public static SignatureRequestSendWithTemplateRequest init(HashMap data) throws
                         SignatureRequestSendWithTemplateRequest.class);
     }
 
-    public SignatureRequestSendWithTemplateRequest templateIds(List<String> templateIds) {
+    public SignatureRequestSendWithTemplateRequest templateIds(
+            @javax.annotation.Nonnull List<String> templateIds) {
         this.templateIds = templateIds;
         return this;
     }
@@ -149,12 +152,12 @@ public List<String> getTemplateIds() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE_IDS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTemplateIds(List<String> templateIds) {
+    public void setTemplateIds(@javax.annotation.Nonnull List<String> templateIds) {
         this.templateIds = templateIds;
     }
 
     public SignatureRequestSendWithTemplateRequest signers(
-            List<SubSignatureRequestTemplateSigner> signers) {
+            @javax.annotation.Nonnull List<SubSignatureRequestTemplateSigner> signers) {
         this.signers = signers;
         return this;
     }
@@ -182,11 +185,13 @@ public List<SubSignatureRequestTemplateSigner> getSigners() {
 
     @JsonProperty(JSON_PROPERTY_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setSigners(List<SubSignatureRequestTemplateSigner> signers) {
+    public void setSigners(
+            @javax.annotation.Nonnull List<SubSignatureRequestTemplateSigner> signers) {
         this.signers = signers;
     }
 
-    public SignatureRequestSendWithTemplateRequest allowDecline(Boolean allowDecline) {
+    public SignatureRequestSendWithTemplateRequest allowDecline(
+            @javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
         return this;
     }
@@ -205,11 +210,11 @@ public Boolean getAllowDecline() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_DECLINE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowDecline(Boolean allowDecline) {
+    public void setAllowDecline(@javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
     }
 
-    public SignatureRequestSendWithTemplateRequest ccs(List<SubCC> ccs) {
+    public SignatureRequestSendWithTemplateRequest ccs(@javax.annotation.Nullable List<SubCC> ccs) {
         this.ccs = ccs;
         return this;
     }
@@ -235,11 +240,12 @@ public List<SubCC> getCcs() {
 
     @JsonProperty(JSON_PROPERTY_CCS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcs(List<SubCC> ccs) {
+    public void setCcs(@javax.annotation.Nullable List<SubCC> ccs) {
         this.ccs = ccs;
     }
 
-    public SignatureRequestSendWithTemplateRequest clientId(String clientId) {
+    public SignatureRequestSendWithTemplateRequest clientId(
+            @javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -258,11 +264,12 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
     }
 
-    public SignatureRequestSendWithTemplateRequest customFields(List<SubCustomField> customFields) {
+    public SignatureRequestSendWithTemplateRequest customFields(
+            @javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -290,11 +297,12 @@ public List<SubCustomField> getCustomFields() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<SubCustomField> customFields) {
+    public void setCustomFields(@javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
     }
 
-    public SignatureRequestSendWithTemplateRequest files(List<File> files) {
+    public SignatureRequestSendWithTemplateRequest files(
+            @javax.annotation.Nullable List<File> files) {
         this.files = files;
         return this;
     }
@@ -321,11 +329,12 @@ public List<File> getFiles() {
 
     @JsonProperty(JSON_PROPERTY_FILES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFiles(List<File> files) {
+    public void setFiles(@javax.annotation.Nullable List<File> files) {
         this.files = files;
     }
 
-    public SignatureRequestSendWithTemplateRequest fileUrls(List<String> fileUrls) {
+    public SignatureRequestSendWithTemplateRequest fileUrls(
+            @javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
         return this;
     }
@@ -352,13 +361,13 @@ public List<String> getFileUrls() {
 
     @JsonProperty(JSON_PROPERTY_FILE_URLS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFileUrls(List<String> fileUrls) {
+    public void setFileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
     }
 
     @Deprecated
     public SignatureRequestSendWithTemplateRequest isQualifiedSignature(
-            Boolean isQualifiedSignature) {
+            @javax.annotation.Nullable Boolean isQualifiedSignature) {
         this.isQualifiedSignature = isQualifiedSignature;
         return this;
     }
@@ -383,11 +392,11 @@ public Boolean getIsQualifiedSignature() {
     @Deprecated
     @JsonProperty(JSON_PROPERTY_IS_QUALIFIED_SIGNATURE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsQualifiedSignature(Boolean isQualifiedSignature) {
+    public void setIsQualifiedSignature(@javax.annotation.Nullable Boolean isQualifiedSignature) {
         this.isQualifiedSignature = isQualifiedSignature;
     }
 
-    public SignatureRequestSendWithTemplateRequest isEid(Boolean isEid) {
+    public SignatureRequestSendWithTemplateRequest isEid(@javax.annotation.Nullable Boolean isEid) {
         this.isEid = isEid;
         return this;
     }
@@ -409,11 +418,12 @@ public Boolean getIsEid() {
 
     @JsonProperty(JSON_PROPERTY_IS_EID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsEid(Boolean isEid) {
+    public void setIsEid(@javax.annotation.Nullable Boolean isEid) {
         this.isEid = isEid;
     }
 
-    public SignatureRequestSendWithTemplateRequest message(String message) {
+    public SignatureRequestSendWithTemplateRequest message(
+            @javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -431,11 +441,12 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public SignatureRequestSendWithTemplateRequest metadata(Map<String, Object> metadata) {
+    public SignatureRequestSendWithTemplateRequest metadata(
+            @javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -466,12 +477,12 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
     public SignatureRequestSendWithTemplateRequest signingOptions(
-            SubSigningOptions signingOptions) {
+            @javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
         return this;
     }
@@ -489,11 +500,12 @@ public SubSigningOptions getSigningOptions() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningOptions(SubSigningOptions signingOptions) {
+    public void setSigningOptions(@javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
     }
 
-    public SignatureRequestSendWithTemplateRequest signingRedirectUrl(String signingRedirectUrl) {
+    public SignatureRequestSendWithTemplateRequest signingRedirectUrl(
+            @javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
         return this;
     }
@@ -511,11 +523,12 @@ public String getSigningRedirectUrl() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_REDIRECT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningRedirectUrl(String signingRedirectUrl) {
+    public void setSigningRedirectUrl(@javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
     }
 
-    public SignatureRequestSendWithTemplateRequest subject(String subject) {
+    public SignatureRequestSendWithTemplateRequest subject(
+            @javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -533,11 +546,12 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public SignatureRequestSendWithTemplateRequest testMode(Boolean testMode) {
+    public SignatureRequestSendWithTemplateRequest testMode(
+            @javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -556,11 +570,11 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public SignatureRequestSendWithTemplateRequest title(String title) {
+    public SignatureRequestSendWithTemplateRequest title(@javax.annotation.Nullable String title) {
         this.title = title;
         return this;
     }
@@ -578,7 +592,7 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nullable String title) {
         this.title = title;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestUpdateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestUpdateRequest.java
index 348174d71..ee3251b41 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestUpdateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SignatureRequestUpdateRequest.java
@@ -32,20 +32,20 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SignatureRequestUpdateRequest {
     public static final String JSON_PROPERTY_SIGNATURE_ID = "signature_id";
-    private String signatureId;
+    @javax.annotation.Nonnull private String signatureId;
 
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nullable private String emailAddress;
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public static final String JSON_PROPERTY_EXPIRES_AT = "expires_at";
-    private Integer expiresAt;
+    @javax.annotation.Nullable private Integer expiresAt;
 
     public SignatureRequestUpdateRequest() {}
 
@@ -65,7 +65,7 @@ public static SignatureRequestUpdateRequest init(HashMap data) throws Exception
                         SignatureRequestUpdateRequest.class);
     }
 
-    public SignatureRequestUpdateRequest signatureId(String signatureId) {
+    public SignatureRequestUpdateRequest signatureId(@javax.annotation.Nonnull String signatureId) {
         this.signatureId = signatureId;
         return this;
     }
@@ -84,11 +84,12 @@ public String getSignatureId() {
 
     @JsonProperty(JSON_PROPERTY_SIGNATURE_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setSignatureId(String signatureId) {
+    public void setSignatureId(@javax.annotation.Nonnull String signatureId) {
         this.signatureId = signatureId;
     }
 
-    public SignatureRequestUpdateRequest emailAddress(String emailAddress) {
+    public SignatureRequestUpdateRequest emailAddress(
+            @javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -107,11 +108,11 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
-    public SignatureRequestUpdateRequest name(String name) {
+    public SignatureRequestUpdateRequest name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -129,11 +130,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
-    public SignatureRequestUpdateRequest expiresAt(Integer expiresAt) {
+    public SignatureRequestUpdateRequest expiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
         return this;
     }
@@ -153,7 +154,7 @@ public Integer getExpiresAt() {
 
     @JsonProperty(JSON_PROPERTY_EXPIRES_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setExpiresAt(Integer expiresAt) {
+    public void setExpiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubAttachment.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubAttachment.java
index 80a59c963..d9f3ad2e5 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubAttachment.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubAttachment.java
@@ -32,20 +32,20 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubAttachment {
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nonnull private String name;
 
     public static final String JSON_PROPERTY_SIGNER_INDEX = "signer_index";
-    private Integer signerIndex;
+    @javax.annotation.Nonnull private Integer signerIndex;
 
     public static final String JSON_PROPERTY_INSTRUCTIONS = "instructions";
-    private String instructions;
+    @javax.annotation.Nullable private String instructions;
 
     public static final String JSON_PROPERTY_REQUIRED = "required";
-    private Boolean required = false;
+    @javax.annotation.Nullable private Boolean required = false;
 
     public SubAttachment() {}
 
@@ -63,7 +63,7 @@ public static SubAttachment init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), SubAttachment.class);
     }
 
-    public SubAttachment name(String name) {
+    public SubAttachment name(@javax.annotation.Nonnull String name) {
         this.name = name;
         return this;
     }
@@ -82,11 +82,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nonnull String name) {
         this.name = name;
     }
 
-    public SubAttachment signerIndex(Integer signerIndex) {
+    public SubAttachment signerIndex(@javax.annotation.Nonnull Integer signerIndex) {
         this.signerIndex = signerIndex;
         return this;
     }
@@ -106,11 +106,11 @@ public Integer getSignerIndex() {
 
     @JsonProperty(JSON_PROPERTY_SIGNER_INDEX)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setSignerIndex(Integer signerIndex) {
+    public void setSignerIndex(@javax.annotation.Nonnull Integer signerIndex) {
         this.signerIndex = signerIndex;
     }
 
-    public SubAttachment instructions(String instructions) {
+    public SubAttachment instructions(@javax.annotation.Nullable String instructions) {
         this.instructions = instructions;
         return this;
     }
@@ -128,11 +128,11 @@ public String getInstructions() {
 
     @JsonProperty(JSON_PROPERTY_INSTRUCTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setInstructions(String instructions) {
+    public void setInstructions(@javax.annotation.Nullable String instructions) {
         this.instructions = instructions;
     }
 
-    public SubAttachment required(Boolean required) {
+    public SubAttachment required(@javax.annotation.Nullable Boolean required) {
         this.required = required;
         return this;
     }
@@ -150,7 +150,7 @@ public Boolean getRequired() {
 
     @JsonProperty(JSON_PROPERTY_REQUIRED)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRequired(Boolean required) {
+    public void setRequired(@javax.annotation.Nullable Boolean required) {
         this.required = required;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubBulkSignerList.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubBulkSignerList.java
index e857c2e64..d08a75d1e 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubBulkSignerList.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubBulkSignerList.java
@@ -32,14 +32,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubBulkSignerList {
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    private List<SubBulkSignerListCustomField> customFields = null;
+    @javax.annotation.Nullable private List<SubBulkSignerListCustomField> customFields = null;
 
     public static final String JSON_PROPERTY_SIGNERS = "signers";
-    private List<SubSignatureRequestTemplateSigner> signers = null;
+    @javax.annotation.Nullable private List<SubSignatureRequestTemplateSigner> signers = null;
 
     public SubBulkSignerList() {}
 
@@ -57,7 +57,8 @@ public static SubBulkSignerList init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), SubBulkSignerList.class);
     }
 
-    public SubBulkSignerList customFields(List<SubBulkSignerListCustomField> customFields) {
+    public SubBulkSignerList customFields(
+            @javax.annotation.Nullable List<SubBulkSignerListCustomField> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -83,11 +84,13 @@ public List<SubBulkSignerListCustomField> getCustomFields() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<SubBulkSignerListCustomField> customFields) {
+    public void setCustomFields(
+            @javax.annotation.Nullable List<SubBulkSignerListCustomField> customFields) {
         this.customFields = customFields;
     }
 
-    public SubBulkSignerList signers(List<SubSignatureRequestTemplateSigner> signers) {
+    public SubBulkSignerList signers(
+            @javax.annotation.Nullable List<SubSignatureRequestTemplateSigner> signers) {
         this.signers = signers;
         return this;
     }
@@ -115,7 +118,8 @@ public List<SubSignatureRequestTemplateSigner> getSigners() {
 
     @JsonProperty(JSON_PROPERTY_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigners(List<SubSignatureRequestTemplateSigner> signers) {
+    public void setSigners(
+            @javax.annotation.Nullable List<SubSignatureRequestTemplateSigner> signers) {
         this.signers = signers;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubBulkSignerListCustomField.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubBulkSignerListCustomField.java
index eb2ca9c7c..40145d4ed 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubBulkSignerListCustomField.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubBulkSignerListCustomField.java
@@ -30,14 +30,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubBulkSignerListCustomField {
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nonnull private String name;
 
     public static final String JSON_PROPERTY_VALUE = "value";
-    private String value;
+    @javax.annotation.Nonnull private String value;
 
     public SubBulkSignerListCustomField() {}
 
@@ -57,7 +57,7 @@ public static SubBulkSignerListCustomField init(HashMap data) throws Exception {
                         SubBulkSignerListCustomField.class);
     }
 
-    public SubBulkSignerListCustomField name(String name) {
+    public SubBulkSignerListCustomField name(@javax.annotation.Nonnull String name) {
         this.name = name;
         return this;
     }
@@ -76,11 +76,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nonnull String name) {
         this.name = name;
     }
 
-    public SubBulkSignerListCustomField value(String value) {
+    public SubBulkSignerListCustomField value(@javax.annotation.Nonnull String value) {
         this.value = value;
         return this;
     }
@@ -99,7 +99,7 @@ public String getValue() {
 
     @JsonProperty(JSON_PROPERTY_VALUE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setValue(String value) {
+    public void setValue(@javax.annotation.Nonnull String value) {
         this.value = value;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubCC.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubCC.java
index e84808261..f9b550b7e 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubCC.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubCC.java
@@ -27,14 +27,14 @@
 @JsonPropertyOrder({SubCC.JSON_PROPERTY_ROLE, SubCC.JSON_PROPERTY_EMAIL_ADDRESS})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubCC {
     public static final String JSON_PROPERTY_ROLE = "role";
-    private String role;
+    @javax.annotation.Nonnull private String role;
 
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nonnull private String emailAddress;
 
     public SubCC() {}
 
@@ -52,7 +52,7 @@ public static SubCC init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), SubCC.class);
     }
 
-    public SubCC role(String role) {
+    public SubCC role(@javax.annotation.Nonnull String role) {
         this.role = role;
         return this;
     }
@@ -72,11 +72,11 @@ public String getRole() {
 
     @JsonProperty(JSON_PROPERTY_ROLE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setRole(String role) {
+    public void setRole(@javax.annotation.Nonnull String role) {
         this.role = role;
     }
 
-    public SubCC emailAddress(String emailAddress) {
+    public SubCC emailAddress(@javax.annotation.Nonnull String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -95,7 +95,7 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nonnull String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubCustomField.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubCustomField.java
index a9a7d92f1..4cd3a8dc2 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubCustomField.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubCustomField.java
@@ -41,20 +41,20 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubCustomField {
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nonnull private String name;
 
     public static final String JSON_PROPERTY_EDITOR = "editor";
-    private String editor;
+    @javax.annotation.Nullable private String editor;
 
     public static final String JSON_PROPERTY_REQUIRED = "required";
-    private Boolean required = false;
+    @javax.annotation.Nullable private Boolean required = false;
 
     public static final String JSON_PROPERTY_VALUE = "value";
-    private String value;
+    @javax.annotation.Nullable private String value;
 
     public SubCustomField() {}
 
@@ -72,7 +72,7 @@ public static SubCustomField init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), SubCustomField.class);
     }
 
-    public SubCustomField name(String name) {
+    public SubCustomField name(@javax.annotation.Nonnull String name) {
         this.name = name;
         return this;
     }
@@ -93,11 +93,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nonnull String name) {
         this.name = name;
     }
 
-    public SubCustomField editor(String editor) {
+    public SubCustomField editor(@javax.annotation.Nullable String editor) {
         this.editor = editor;
         return this;
     }
@@ -121,11 +121,11 @@ public String getEditor() {
 
     @JsonProperty(JSON_PROPERTY_EDITOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEditor(String editor) {
+    public void setEditor(@javax.annotation.Nullable String editor) {
         this.editor = editor;
     }
 
-    public SubCustomField required(Boolean required) {
+    public SubCustomField required(@javax.annotation.Nullable Boolean required) {
         this.required = required;
         return this;
     }
@@ -144,11 +144,11 @@ public Boolean getRequired() {
 
     @JsonProperty(JSON_PROPERTY_REQUIRED)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRequired(Boolean required) {
+    public void setRequired(@javax.annotation.Nullable Boolean required) {
         this.required = required;
     }
 
-    public SubCustomField value(String value) {
+    public SubCustomField value(@javax.annotation.Nullable String value) {
         this.value = value;
         return this;
     }
@@ -167,7 +167,7 @@ public String getValue() {
 
     @JsonProperty(JSON_PROPERTY_VALUE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValue(String value) {
+    public void setValue(@javax.annotation.Nullable String value) {
         this.value = value;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubEditorOptions.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubEditorOptions.java
index 6005ad4bd..d93127b44 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubEditorOptions.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubEditorOptions.java
@@ -30,14 +30,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubEditorOptions {
     public static final String JSON_PROPERTY_ALLOW_EDIT_SIGNERS = "allow_edit_signers";
-    private Boolean allowEditSigners = false;
+    @javax.annotation.Nullable private Boolean allowEditSigners = false;
 
     public static final String JSON_PROPERTY_ALLOW_EDIT_DOCUMENTS = "allow_edit_documents";
-    private Boolean allowEditDocuments = false;
+    @javax.annotation.Nullable private Boolean allowEditDocuments = false;
 
     public SubEditorOptions() {}
 
@@ -55,7 +55,7 @@ public static SubEditorOptions init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), SubEditorOptions.class);
     }
 
-    public SubEditorOptions allowEditSigners(Boolean allowEditSigners) {
+    public SubEditorOptions allowEditSigners(@javax.annotation.Nullable Boolean allowEditSigners) {
         this.allowEditSigners = allowEditSigners;
         return this;
     }
@@ -73,11 +73,12 @@ public Boolean getAllowEditSigners() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_EDIT_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowEditSigners(Boolean allowEditSigners) {
+    public void setAllowEditSigners(@javax.annotation.Nullable Boolean allowEditSigners) {
         this.allowEditSigners = allowEditSigners;
     }
 
-    public SubEditorOptions allowEditDocuments(Boolean allowEditDocuments) {
+    public SubEditorOptions allowEditDocuments(
+            @javax.annotation.Nullable Boolean allowEditDocuments) {
         this.allowEditDocuments = allowEditDocuments;
         return this;
     }
@@ -95,7 +96,7 @@ public Boolean getAllowEditDocuments() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_EDIT_DOCUMENTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowEditDocuments(Boolean allowEditDocuments) {
+    public void setAllowEditDocuments(@javax.annotation.Nullable Boolean allowEditDocuments) {
         this.allowEditDocuments = allowEditDocuments;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFieldOptions.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFieldOptions.java
index 80dabcc7e..b739c2d42 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFieldOptions.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFieldOptions.java
@@ -29,7 +29,7 @@
 @JsonPropertyOrder({SubFieldOptions.JSON_PROPERTY_DATE_FORMAT})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubFieldOptions {
     /**
@@ -38,17 +38,17 @@ public class SubFieldOptions {
      * higher.
      */
     public enum DateFormatEnum {
-        MMDDYYYY("MM / DD / YYYY"),
+        MMDDYYYY(String.valueOf("MM / DD / YYYY")),
 
-        MM_DD_YYYY("MM - DD - YYYY"),
+        MM_DD_YYYY(String.valueOf("MM - DD - YYYY")),
 
-        DDMMYYYY("DD / MM / YYYY"),
+        DDMMYYYY(String.valueOf("DD / MM / YYYY")),
 
-        DD_MM_YYYY("DD - MM - YYYY"),
+        DD_MM_YYYY(String.valueOf("DD - MM - YYYY")),
 
-        YYYYMMDD("YYYY / MM / DD"),
+        YYYYMMDD(String.valueOf("YYYY / MM / DD")),
 
-        YYYY_MM_DD("YYYY - MM - DD");
+        YYYY_MM_DD(String.valueOf("YYYY - MM - DD"));
 
         private String value;
 
@@ -78,7 +78,7 @@ public static DateFormatEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_DATE_FORMAT = "date_format";
-    private DateFormatEnum dateFormat;
+    @javax.annotation.Nonnull private DateFormatEnum dateFormat;
 
     public SubFieldOptions() {}
 
@@ -96,7 +96,7 @@ public static SubFieldOptions init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), SubFieldOptions.class);
     }
 
-    public SubFieldOptions dateFormat(DateFormatEnum dateFormat) {
+    public SubFieldOptions dateFormat(@javax.annotation.Nonnull DateFormatEnum dateFormat) {
         this.dateFormat = dateFormat;
         return this;
     }
@@ -117,7 +117,7 @@ public DateFormatEnum getDateFormat() {
 
     @JsonProperty(JSON_PROPERTY_DATE_FORMAT)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setDateFormat(DateFormatEnum dateFormat) {
+    public void setDateFormat(@javax.annotation.Nonnull DateFormatEnum dateFormat) {
         this.dateFormat = dateFormat;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldGroup.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldGroup.java
index c4772c304..11338d70a 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldGroup.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldGroup.java
@@ -31,17 +31,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubFormFieldGroup {
     public static final String JSON_PROPERTY_GROUP_ID = "group_id";
-    private String groupId;
+    @javax.annotation.Nonnull private String groupId;
 
     public static final String JSON_PROPERTY_GROUP_LABEL = "group_label";
-    private String groupLabel;
+    @javax.annotation.Nonnull private String groupLabel;
 
     public static final String JSON_PROPERTY_REQUIREMENT = "requirement";
-    private String requirement;
+    @javax.annotation.Nonnull private String requirement;
 
     public SubFormFieldGroup() {}
 
@@ -59,7 +59,7 @@ public static SubFormFieldGroup init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), SubFormFieldGroup.class);
     }
 
-    public SubFormFieldGroup groupId(String groupId) {
+    public SubFormFieldGroup groupId(@javax.annotation.Nonnull String groupId) {
         this.groupId = groupId;
         return this;
     }
@@ -79,11 +79,11 @@ public String getGroupId() {
 
     @JsonProperty(JSON_PROPERTY_GROUP_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setGroupId(String groupId) {
+    public void setGroupId(@javax.annotation.Nonnull String groupId) {
         this.groupId = groupId;
     }
 
-    public SubFormFieldGroup groupLabel(String groupLabel) {
+    public SubFormFieldGroup groupLabel(@javax.annotation.Nonnull String groupLabel) {
         this.groupLabel = groupLabel;
         return this;
     }
@@ -102,11 +102,11 @@ public String getGroupLabel() {
 
     @JsonProperty(JSON_PROPERTY_GROUP_LABEL)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setGroupLabel(String groupLabel) {
+    public void setGroupLabel(@javax.annotation.Nonnull String groupLabel) {
         this.groupLabel = groupLabel;
     }
 
-    public SubFormFieldGroup requirement(String requirement) {
+    public SubFormFieldGroup requirement(@javax.annotation.Nonnull String requirement) {
         this.requirement = requirement;
         return this;
     }
@@ -130,7 +130,7 @@ public String getRequirement() {
 
     @JsonProperty(JSON_PROPERTY_REQUIREMENT)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setRequirement(String requirement) {
+    public void setRequirement(@javax.annotation.Nonnull String requirement) {
         this.requirement = requirement;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldRule.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldRule.java
index 95a816532..a32b6eb6c 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldRule.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldRule.java
@@ -34,20 +34,20 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubFormFieldRule {
     public static final String JSON_PROPERTY_ID = "id";
-    private String id;
+    @javax.annotation.Nonnull private String id;
 
     public static final String JSON_PROPERTY_TRIGGER_OPERATOR = "trigger_operator";
-    private String triggerOperator = "AND";
+    @javax.annotation.Nonnull private String triggerOperator = "AND";
 
     public static final String JSON_PROPERTY_TRIGGERS = "triggers";
-    private List<SubFormFieldRuleTrigger> triggers = new ArrayList<>();
+    @javax.annotation.Nonnull private List<SubFormFieldRuleTrigger> triggers = new ArrayList<>();
 
     public static final String JSON_PROPERTY_ACTIONS = "actions";
-    private List<SubFormFieldRuleAction> actions = new ArrayList<>();
+    @javax.annotation.Nonnull private List<SubFormFieldRuleAction> actions = new ArrayList<>();
 
     public SubFormFieldRule() {}
 
@@ -65,7 +65,7 @@ public static SubFormFieldRule init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), SubFormFieldRule.class);
     }
 
-    public SubFormFieldRule id(String id) {
+    public SubFormFieldRule id(@javax.annotation.Nonnull String id) {
         this.id = id;
         return this;
     }
@@ -84,11 +84,11 @@ public String getId() {
 
     @JsonProperty(JSON_PROPERTY_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setId(String id) {
+    public void setId(@javax.annotation.Nonnull String id) {
         this.id = id;
     }
 
-    public SubFormFieldRule triggerOperator(String triggerOperator) {
+    public SubFormFieldRule triggerOperator(@javax.annotation.Nonnull String triggerOperator) {
         this.triggerOperator = triggerOperator;
         return this;
     }
@@ -107,11 +107,12 @@ public String getTriggerOperator() {
 
     @JsonProperty(JSON_PROPERTY_TRIGGER_OPERATOR)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTriggerOperator(String triggerOperator) {
+    public void setTriggerOperator(@javax.annotation.Nonnull String triggerOperator) {
         this.triggerOperator = triggerOperator;
     }
 
-    public SubFormFieldRule triggers(List<SubFormFieldRuleTrigger> triggers) {
+    public SubFormFieldRule triggers(
+            @javax.annotation.Nonnull List<SubFormFieldRuleTrigger> triggers) {
         this.triggers = triggers;
         return this;
     }
@@ -139,11 +140,12 @@ public List<SubFormFieldRuleTrigger> getTriggers() {
 
     @JsonProperty(JSON_PROPERTY_TRIGGERS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTriggers(List<SubFormFieldRuleTrigger> triggers) {
+    public void setTriggers(@javax.annotation.Nonnull List<SubFormFieldRuleTrigger> triggers) {
         this.triggers = triggers;
     }
 
-    public SubFormFieldRule actions(List<SubFormFieldRuleAction> actions) {
+    public SubFormFieldRule actions(
+            @javax.annotation.Nonnull List<SubFormFieldRuleAction> actions) {
         this.actions = actions;
         return this;
     }
@@ -171,7 +173,7 @@ public List<SubFormFieldRuleAction> getActions() {
 
     @JsonProperty(JSON_PROPERTY_ACTIONS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setActions(List<SubFormFieldRuleAction> actions) {
+    public void setActions(@javax.annotation.Nonnull List<SubFormFieldRuleAction> actions) {
         this.actions = actions;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldRuleAction.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldRuleAction.java
index 2481678d9..c26d25b82 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldRuleAction.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldRuleAction.java
@@ -34,17 +34,19 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubFormFieldRuleAction {
     public static final String JSON_PROPERTY_HIDDEN = "hidden";
-    private Boolean hidden;
+    @javax.annotation.Nonnull private Boolean hidden;
 
     /** Gets or Sets type */
     public enum TypeEnum {
-        FIELD_VISIBILITY("change-field-visibility"),
+        CHANGE_FIELD_VISIBILITY(String.valueOf("change-field-visibility")),
+        FIELD_VISIBILITY(String.valueOf("change-field-visibility")),
 
-        GROUP_VISIBILITY("change-group-visibility");
+        CHANGE_GROUP_VISIBILITY(String.valueOf("change-group-visibility")),
+        GROUP_VISIBILITY(String.valueOf("change-group-visibility"));
 
         private String value;
 
@@ -74,13 +76,13 @@ public static TypeEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_TYPE = "type";
-    private TypeEnum type;
+    @javax.annotation.Nonnull private TypeEnum type;
 
     public static final String JSON_PROPERTY_FIELD_ID = "field_id";
-    private String fieldId;
+    @javax.annotation.Nullable private String fieldId;
 
     public static final String JSON_PROPERTY_GROUP_ID = "group_id";
-    private String groupId;
+    @javax.annotation.Nullable private String groupId;
 
     public SubFormFieldRuleAction() {}
 
@@ -99,7 +101,7 @@ public static SubFormFieldRuleAction init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), SubFormFieldRuleAction.class);
     }
 
-    public SubFormFieldRuleAction hidden(Boolean hidden) {
+    public SubFormFieldRuleAction hidden(@javax.annotation.Nonnull Boolean hidden) {
         this.hidden = hidden;
         return this;
     }
@@ -119,11 +121,11 @@ public Boolean getHidden() {
 
     @JsonProperty(JSON_PROPERTY_HIDDEN)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setHidden(Boolean hidden) {
+    public void setHidden(@javax.annotation.Nonnull Boolean hidden) {
         this.hidden = hidden;
     }
 
-    public SubFormFieldRuleAction type(TypeEnum type) {
+    public SubFormFieldRuleAction type(@javax.annotation.Nonnull TypeEnum type) {
         this.type = type;
         return this;
     }
@@ -142,11 +144,11 @@ public TypeEnum getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(TypeEnum type) {
+    public void setType(@javax.annotation.Nonnull TypeEnum type) {
         this.type = type;
     }
 
-    public SubFormFieldRuleAction fieldId(String fieldId) {
+    public SubFormFieldRuleAction fieldId(@javax.annotation.Nullable String fieldId) {
         this.fieldId = fieldId;
         return this;
     }
@@ -166,11 +168,11 @@ public String getFieldId() {
 
     @JsonProperty(JSON_PROPERTY_FIELD_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFieldId(String fieldId) {
+    public void setFieldId(@javax.annotation.Nullable String fieldId) {
         this.fieldId = fieldId;
     }
 
-    public SubFormFieldRuleAction groupId(String groupId) {
+    public SubFormFieldRuleAction groupId(@javax.annotation.Nullable String groupId) {
         this.groupId = groupId;
         return this;
     }
@@ -190,7 +192,7 @@ public String getGroupId() {
 
     @JsonProperty(JSON_PROPERTY_GROUP_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setGroupId(String groupId) {
+    public void setGroupId(@javax.annotation.Nullable String groupId) {
         this.groupId = groupId;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldRuleTrigger.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldRuleTrigger.java
index d56297a4d..d421a5926 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldRuleTrigger.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldRuleTrigger.java
@@ -36,11 +36,11 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubFormFieldRuleTrigger {
     public static final String JSON_PROPERTY_ID = "id";
-    private String id;
+    @javax.annotation.Nonnull private String id;
 
     /**
      * Different field types allow different &#x60;operator&#x60; values: - Field type of **text**:
@@ -53,15 +53,15 @@ public class SubFormFieldRuleTrigger {
      * match, single value
      */
     public enum OperatorEnum {
-        ANY("any"),
+        ANY(String.valueOf("any")),
 
-        IS("is"),
+        IS(String.valueOf("is")),
 
-        MATCH("match"),
+        MATCH(String.valueOf("match")),
 
-        NONE("none"),
+        NONE(String.valueOf("none")),
 
-        NOT("not");
+        NOT(String.valueOf("not"));
 
         private String value;
 
@@ -91,13 +91,13 @@ public static OperatorEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_OPERATOR = "operator";
-    private OperatorEnum operator;
+    @javax.annotation.Nonnull private OperatorEnum operator;
 
     public static final String JSON_PROPERTY_VALUE = "value";
-    private String value;
+    @javax.annotation.Nullable private String value;
 
     public static final String JSON_PROPERTY_VALUES = "values";
-    private List<String> values = null;
+    @javax.annotation.Nullable private List<String> values = null;
 
     public SubFormFieldRuleTrigger() {}
 
@@ -116,7 +116,7 @@ public static SubFormFieldRuleTrigger init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), SubFormFieldRuleTrigger.class);
     }
 
-    public SubFormFieldRuleTrigger id(String id) {
+    public SubFormFieldRuleTrigger id(@javax.annotation.Nonnull String id) {
         this.id = id;
         return this;
     }
@@ -137,11 +137,11 @@ public String getId() {
 
     @JsonProperty(JSON_PROPERTY_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setId(String id) {
+    public void setId(@javax.annotation.Nonnull String id) {
         this.id = id;
     }
 
-    public SubFormFieldRuleTrigger operator(OperatorEnum operator) {
+    public SubFormFieldRuleTrigger operator(@javax.annotation.Nonnull OperatorEnum operator) {
         this.operator = operator;
         return this;
     }
@@ -167,11 +167,11 @@ public OperatorEnum getOperator() {
 
     @JsonProperty(JSON_PROPERTY_OPERATOR)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setOperator(OperatorEnum operator) {
+    public void setOperator(@javax.annotation.Nonnull OperatorEnum operator) {
         this.operator = operator;
     }
 
-    public SubFormFieldRuleTrigger value(String value) {
+    public SubFormFieldRuleTrigger value(@javax.annotation.Nullable String value) {
         this.value = value;
         return this;
     }
@@ -193,11 +193,11 @@ public String getValue() {
 
     @JsonProperty(JSON_PROPERTY_VALUE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValue(String value) {
+    public void setValue(@javax.annotation.Nullable String value) {
         this.value = value;
     }
 
-    public SubFormFieldRuleTrigger values(List<String> values) {
+    public SubFormFieldRuleTrigger values(@javax.annotation.Nullable List<String> values) {
         this.values = values;
         return this;
     }
@@ -224,7 +224,7 @@ public List<String> getValues() {
 
     @JsonProperty(JSON_PROPERTY_VALUES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValues(List<String> values) {
+    public void setValues(@javax.annotation.Nullable List<String> values) {
         this.values = values;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentBase.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentBase.java
index 7b985bccc..34bfc8529 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentBase.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentBase.java
@@ -57,7 +57,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -82,37 +82,37 @@
 })
 public class SubFormFieldsPerDocumentBase {
     public static final String JSON_PROPERTY_DOCUMENT_INDEX = "document_index";
-    private Integer documentIndex;
+    @javax.annotation.Nonnull private Integer documentIndex;
 
     public static final String JSON_PROPERTY_API_ID = "api_id";
-    private String apiId;
+    @javax.annotation.Nonnull private String apiId;
 
     public static final String JSON_PROPERTY_HEIGHT = "height";
-    private Integer height;
+    @javax.annotation.Nonnull private Integer height;
 
     public static final String JSON_PROPERTY_REQUIRED = "required";
-    private Boolean required;
+    @javax.annotation.Nonnull private Boolean required;
 
     public static final String JSON_PROPERTY_SIGNER = "signer";
-    private String signer;
+    @javax.annotation.Nonnull private String signer;
 
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type;
+    @javax.annotation.Nonnull private String type;
 
     public static final String JSON_PROPERTY_WIDTH = "width";
-    private Integer width;
+    @javax.annotation.Nonnull private Integer width;
 
     public static final String JSON_PROPERTY_X = "x";
-    private Integer x;
+    @javax.annotation.Nonnull private Integer x;
 
     public static final String JSON_PROPERTY_Y = "y";
-    private Integer y;
+    @javax.annotation.Nonnull private Integer y;
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public static final String JSON_PROPERTY_PAGE = "page";
-    private Integer page;
+    @javax.annotation.Nullable private Integer page;
 
     public SubFormFieldsPerDocumentBase() {}
 
@@ -132,7 +132,8 @@ public static SubFormFieldsPerDocumentBase init(HashMap data) throws Exception {
                         SubFormFieldsPerDocumentBase.class);
     }
 
-    public SubFormFieldsPerDocumentBase documentIndex(Integer documentIndex) {
+    public SubFormFieldsPerDocumentBase documentIndex(
+            @javax.annotation.Nonnull Integer documentIndex) {
         this.documentIndex = documentIndex;
         return this;
     }
@@ -152,11 +153,11 @@ public Integer getDocumentIndex() {
 
     @JsonProperty(JSON_PROPERTY_DOCUMENT_INDEX)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setDocumentIndex(Integer documentIndex) {
+    public void setDocumentIndex(@javax.annotation.Nonnull Integer documentIndex) {
         this.documentIndex = documentIndex;
     }
 
-    public SubFormFieldsPerDocumentBase apiId(String apiId) {
+    public SubFormFieldsPerDocumentBase apiId(@javax.annotation.Nonnull String apiId) {
         this.apiId = apiId;
         return this;
     }
@@ -175,11 +176,11 @@ public String getApiId() {
 
     @JsonProperty(JSON_PROPERTY_API_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setApiId(String apiId) {
+    public void setApiId(@javax.annotation.Nonnull String apiId) {
         this.apiId = apiId;
     }
 
-    public SubFormFieldsPerDocumentBase height(Integer height) {
+    public SubFormFieldsPerDocumentBase height(@javax.annotation.Nonnull Integer height) {
         this.height = height;
         return this;
     }
@@ -198,11 +199,11 @@ public Integer getHeight() {
 
     @JsonProperty(JSON_PROPERTY_HEIGHT)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setHeight(Integer height) {
+    public void setHeight(@javax.annotation.Nonnull Integer height) {
         this.height = height;
     }
 
-    public SubFormFieldsPerDocumentBase required(Boolean required) {
+    public SubFormFieldsPerDocumentBase required(@javax.annotation.Nonnull Boolean required) {
         this.required = required;
         return this;
     }
@@ -221,11 +222,11 @@ public Boolean getRequired() {
 
     @JsonProperty(JSON_PROPERTY_REQUIRED)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setRequired(Boolean required) {
+    public void setRequired(@javax.annotation.Nonnull Boolean required) {
         this.required = required;
     }
 
-    public SubFormFieldsPerDocumentBase signer(String signer) {
+    public SubFormFieldsPerDocumentBase signer(@javax.annotation.Nonnull String signer) {
         this.signer = signer;
         return this;
     }
@@ -252,7 +253,7 @@ public String getSigner() {
 
     @JsonProperty(JSON_PROPERTY_SIGNER)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setSigner(String signer) {
+    public void setSigner(@javax.annotation.Nonnull String signer) {
         this.signer = signer;
     }
 
@@ -260,7 +261,7 @@ public void setSigner(Integer signer) {
         this.signer = String.valueOf(signer);
     }
 
-    public SubFormFieldsPerDocumentBase type(String type) {
+    public SubFormFieldsPerDocumentBase type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -279,11 +280,11 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public SubFormFieldsPerDocumentBase width(Integer width) {
+    public SubFormFieldsPerDocumentBase width(@javax.annotation.Nonnull Integer width) {
         this.width = width;
         return this;
     }
@@ -302,11 +303,11 @@ public Integer getWidth() {
 
     @JsonProperty(JSON_PROPERTY_WIDTH)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setWidth(Integer width) {
+    public void setWidth(@javax.annotation.Nonnull Integer width) {
         this.width = width;
     }
 
-    public SubFormFieldsPerDocumentBase x(Integer x) {
+    public SubFormFieldsPerDocumentBase x(@javax.annotation.Nonnull Integer x) {
         this.x = x;
         return this;
     }
@@ -325,11 +326,11 @@ public Integer getX() {
 
     @JsonProperty(JSON_PROPERTY_X)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setX(Integer x) {
+    public void setX(@javax.annotation.Nonnull Integer x) {
         this.x = x;
     }
 
-    public SubFormFieldsPerDocumentBase y(Integer y) {
+    public SubFormFieldsPerDocumentBase y(@javax.annotation.Nonnull Integer y) {
         this.y = y;
         return this;
     }
@@ -348,11 +349,11 @@ public Integer getY() {
 
     @JsonProperty(JSON_PROPERTY_Y)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setY(Integer y) {
+    public void setY(@javax.annotation.Nonnull Integer y) {
         this.y = y;
     }
 
-    public SubFormFieldsPerDocumentBase name(String name) {
+    public SubFormFieldsPerDocumentBase name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -370,11 +371,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
-    public SubFormFieldsPerDocumentBase page(Integer page) {
+    public SubFormFieldsPerDocumentBase page(@javax.annotation.Nullable Integer page) {
         this.page = page;
         return this;
     }
@@ -395,7 +396,7 @@ public Integer getPage() {
 
     @JsonProperty(JSON_PROPERTY_PAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPage(Integer page) {
+    public void setPage(@javax.annotation.Nullable Integer page) {
         this.page = page;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentCheckbox.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentCheckbox.java
index d9e67248b..edfc9ed9d 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentCheckbox.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentCheckbox.java
@@ -32,7 +32,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -43,13 +43,13 @@
         visible = true)
 public class SubFormFieldsPerDocumentCheckbox extends SubFormFieldsPerDocumentBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "checkbox";
+    @javax.annotation.Nonnull private String type = "checkbox";
 
     public static final String JSON_PROPERTY_IS_CHECKED = "is_checked";
-    private Boolean isChecked;
+    @javax.annotation.Nonnull private Boolean isChecked;
 
     public static final String JSON_PROPERTY_GROUP = "group";
-    private String group;
+    @javax.annotation.Nullable private String group;
 
     public SubFormFieldsPerDocumentCheckbox() {}
 
@@ -69,7 +69,7 @@ public static SubFormFieldsPerDocumentCheckbox init(HashMap data) throws Excepti
                         SubFormFieldsPerDocumentCheckbox.class);
     }
 
-    public SubFormFieldsPerDocumentCheckbox type(String type) {
+    public SubFormFieldsPerDocumentCheckbox type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -88,11 +88,11 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public SubFormFieldsPerDocumentCheckbox isChecked(Boolean isChecked) {
+    public SubFormFieldsPerDocumentCheckbox isChecked(@javax.annotation.Nonnull Boolean isChecked) {
         this.isChecked = isChecked;
         return this;
     }
@@ -111,11 +111,11 @@ public Boolean getIsChecked() {
 
     @JsonProperty(JSON_PROPERTY_IS_CHECKED)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setIsChecked(Boolean isChecked) {
+    public void setIsChecked(@javax.annotation.Nonnull Boolean isChecked) {
         this.isChecked = isChecked;
     }
 
-    public SubFormFieldsPerDocumentCheckbox group(String group) {
+    public SubFormFieldsPerDocumentCheckbox group(@javax.annotation.Nullable String group) {
         this.group = group;
         return this;
     }
@@ -133,7 +133,7 @@ public String getGroup() {
 
     @JsonProperty(JSON_PROPERTY_GROUP)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setGroup(String group) {
+    public void setGroup(@javax.annotation.Nullable String group) {
         this.group = group;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentCheckboxMerge.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentCheckboxMerge.java
index 0889539bd..d414d0c74 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentCheckboxMerge.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentCheckboxMerge.java
@@ -28,7 +28,7 @@
 @JsonPropertyOrder({SubFormFieldsPerDocumentCheckboxMerge.JSON_PROPERTY_TYPE})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -39,7 +39,7 @@
         visible = true)
 public class SubFormFieldsPerDocumentCheckboxMerge extends SubFormFieldsPerDocumentBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "checkbox-merge";
+    @javax.annotation.Nonnull private String type = "checkbox-merge";
 
     public SubFormFieldsPerDocumentCheckboxMerge() {}
 
@@ -59,7 +59,7 @@ public static SubFormFieldsPerDocumentCheckboxMerge init(HashMap data) throws Ex
                         SubFormFieldsPerDocumentCheckboxMerge.class);
     }
 
-    public SubFormFieldsPerDocumentCheckboxMerge type(String type) {
+    public SubFormFieldsPerDocumentCheckboxMerge type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -79,7 +79,7 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentDateSigned.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentDateSigned.java
index 83e5960aa..afb25159e 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentDateSigned.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentDateSigned.java
@@ -34,7 +34,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -45,41 +45,41 @@
         visible = true)
 public class SubFormFieldsPerDocumentDateSigned extends SubFormFieldsPerDocumentBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "date_signed";
+    @javax.annotation.Nonnull private String type = "date_signed";
 
     /** Font family for the field. */
     public enum FontFamilyEnum {
-        HELVETICA("helvetica"),
+        HELVETICA(String.valueOf("helvetica")),
 
-        ARIAL("arial"),
+        ARIAL(String.valueOf("arial")),
 
-        COURIER("courier"),
+        COURIER(String.valueOf("courier")),
 
-        CALIBRI("calibri"),
+        CALIBRI(String.valueOf("calibri")),
 
-        CAMBRIA("cambria"),
+        CAMBRIA(String.valueOf("cambria")),
 
-        GEORGIA("georgia"),
+        GEORGIA(String.valueOf("georgia")),
 
-        TIMES("times"),
+        TIMES(String.valueOf("times")),
 
-        TREBUCHET("trebuchet"),
+        TREBUCHET(String.valueOf("trebuchet")),
 
-        VERDANA("verdana"),
+        VERDANA(String.valueOf("verdana")),
 
-        ROBOTO("roboto"),
+        ROBOTO(String.valueOf("roboto")),
 
-        ROBOTO_MONO("robotoMono"),
+        ROBOTO_MONO(String.valueOf("robotoMono")),
 
-        NOTO_SANS("notoSans"),
+        NOTO_SANS(String.valueOf("notoSans")),
 
-        NOTO_SERIF("notoSerif"),
+        NOTO_SERIF(String.valueOf("notoSerif")),
 
-        NOTO_CJK_JP_REGULAR("notoCJK-JP-Regular"),
+        NOTO_CJK_JP_REGULAR(String.valueOf("notoCJK-JP-Regular")),
 
-        NOTO_HEBREW_REGULAR("notoHebrew-Regular"),
+        NOTO_HEBREW_REGULAR(String.valueOf("notoHebrew-Regular")),
 
-        NOTO_SAN_THAI_MERGED("notoSanThaiMerged");
+        NOTO_SAN_THAI_MERGED(String.valueOf("notoSanThaiMerged"));
 
         private String value;
 
@@ -109,10 +109,10 @@ public static FontFamilyEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_FONT_FAMILY = "font_family";
-    private FontFamilyEnum fontFamily;
+    @javax.annotation.Nullable private FontFamilyEnum fontFamily;
 
     public static final String JSON_PROPERTY_FONT_SIZE = "font_size";
-    private Integer fontSize = 12;
+    @javax.annotation.Nullable private Integer fontSize = 12;
 
     public SubFormFieldsPerDocumentDateSigned() {}
 
@@ -132,7 +132,7 @@ public static SubFormFieldsPerDocumentDateSigned init(HashMap data) throws Excep
                         SubFormFieldsPerDocumentDateSigned.class);
     }
 
-    public SubFormFieldsPerDocumentDateSigned type(String type) {
+    public SubFormFieldsPerDocumentDateSigned type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -151,11 +151,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public SubFormFieldsPerDocumentDateSigned fontFamily(FontFamilyEnum fontFamily) {
+    public SubFormFieldsPerDocumentDateSigned fontFamily(
+            @javax.annotation.Nullable FontFamilyEnum fontFamily) {
         this.fontFamily = fontFamily;
         return this;
     }
@@ -173,11 +174,12 @@ public FontFamilyEnum getFontFamily() {
 
     @JsonProperty(JSON_PROPERTY_FONT_FAMILY)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFontFamily(FontFamilyEnum fontFamily) {
+    public void setFontFamily(@javax.annotation.Nullable FontFamilyEnum fontFamily) {
         this.fontFamily = fontFamily;
     }
 
-    public SubFormFieldsPerDocumentDateSigned fontSize(Integer fontSize) {
+    public SubFormFieldsPerDocumentDateSigned fontSize(
+            @javax.annotation.Nullable Integer fontSize) {
         this.fontSize = fontSize;
         return this;
     }
@@ -197,7 +199,7 @@ public Integer getFontSize() {
 
     @JsonProperty(JSON_PROPERTY_FONT_SIZE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFontSize(Integer fontSize) {
+    public void setFontSize(@javax.annotation.Nullable Integer fontSize) {
         this.fontSize = fontSize;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentDropdown.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentDropdown.java
index 5089a091d..035f0e7f3 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentDropdown.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentDropdown.java
@@ -38,7 +38,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -49,47 +49,47 @@
         visible = true)
 public class SubFormFieldsPerDocumentDropdown extends SubFormFieldsPerDocumentBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "dropdown";
+    @javax.annotation.Nonnull private String type = "dropdown";
 
     public static final String JSON_PROPERTY_OPTIONS = "options";
-    private List<String> options = new ArrayList<>();
+    @javax.annotation.Nonnull private List<String> options = new ArrayList<>();
 
     public static final String JSON_PROPERTY_CONTENT = "content";
-    private String content;
+    @javax.annotation.Nullable private String content;
 
     /** Font family for the field. */
     public enum FontFamilyEnum {
-        HELVETICA("helvetica"),
+        HELVETICA(String.valueOf("helvetica")),
 
-        ARIAL("arial"),
+        ARIAL(String.valueOf("arial")),
 
-        COURIER("courier"),
+        COURIER(String.valueOf("courier")),
 
-        CALIBRI("calibri"),
+        CALIBRI(String.valueOf("calibri")),
 
-        CAMBRIA("cambria"),
+        CAMBRIA(String.valueOf("cambria")),
 
-        GEORGIA("georgia"),
+        GEORGIA(String.valueOf("georgia")),
 
-        TIMES("times"),
+        TIMES(String.valueOf("times")),
 
-        TREBUCHET("trebuchet"),
+        TREBUCHET(String.valueOf("trebuchet")),
 
-        VERDANA("verdana"),
+        VERDANA(String.valueOf("verdana")),
 
-        ROBOTO("roboto"),
+        ROBOTO(String.valueOf("roboto")),
 
-        ROBOTO_MONO("robotoMono"),
+        ROBOTO_MONO(String.valueOf("robotoMono")),
 
-        NOTO_SANS("notoSans"),
+        NOTO_SANS(String.valueOf("notoSans")),
 
-        NOTO_SERIF("notoSerif"),
+        NOTO_SERIF(String.valueOf("notoSerif")),
 
-        NOTO_CJK_JP_REGULAR("notoCJK-JP-Regular"),
+        NOTO_CJK_JP_REGULAR(String.valueOf("notoCJK-JP-Regular")),
 
-        NOTO_HEBREW_REGULAR("notoHebrew-Regular"),
+        NOTO_HEBREW_REGULAR(String.valueOf("notoHebrew-Regular")),
 
-        NOTO_SAN_THAI_MERGED("notoSanThaiMerged");
+        NOTO_SAN_THAI_MERGED(String.valueOf("notoSanThaiMerged"));
 
         private String value;
 
@@ -119,10 +119,10 @@ public static FontFamilyEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_FONT_FAMILY = "font_family";
-    private FontFamilyEnum fontFamily;
+    @javax.annotation.Nullable private FontFamilyEnum fontFamily;
 
     public static final String JSON_PROPERTY_FONT_SIZE = "font_size";
-    private Integer fontSize = 12;
+    @javax.annotation.Nullable private Integer fontSize = 12;
 
     public SubFormFieldsPerDocumentDropdown() {}
 
@@ -142,7 +142,7 @@ public static SubFormFieldsPerDocumentDropdown init(HashMap data) throws Excepti
                         SubFormFieldsPerDocumentDropdown.class);
     }
 
-    public SubFormFieldsPerDocumentDropdown type(String type) {
+    public SubFormFieldsPerDocumentDropdown type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -161,11 +161,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public SubFormFieldsPerDocumentDropdown options(List<String> options) {
+    public SubFormFieldsPerDocumentDropdown options(
+            @javax.annotation.Nonnull List<String> options) {
         this.options = options;
         return this;
     }
@@ -192,11 +193,11 @@ public List<String> getOptions() {
 
     @JsonProperty(JSON_PROPERTY_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setOptions(List<String> options) {
+    public void setOptions(@javax.annotation.Nonnull List<String> options) {
         this.options = options;
     }
 
-    public SubFormFieldsPerDocumentDropdown content(String content) {
+    public SubFormFieldsPerDocumentDropdown content(@javax.annotation.Nullable String content) {
         this.content = content;
         return this;
     }
@@ -214,11 +215,12 @@ public String getContent() {
 
     @JsonProperty(JSON_PROPERTY_CONTENT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setContent(String content) {
+    public void setContent(@javax.annotation.Nullable String content) {
         this.content = content;
     }
 
-    public SubFormFieldsPerDocumentDropdown fontFamily(FontFamilyEnum fontFamily) {
+    public SubFormFieldsPerDocumentDropdown fontFamily(
+            @javax.annotation.Nullable FontFamilyEnum fontFamily) {
         this.fontFamily = fontFamily;
         return this;
     }
@@ -236,11 +238,11 @@ public FontFamilyEnum getFontFamily() {
 
     @JsonProperty(JSON_PROPERTY_FONT_FAMILY)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFontFamily(FontFamilyEnum fontFamily) {
+    public void setFontFamily(@javax.annotation.Nullable FontFamilyEnum fontFamily) {
         this.fontFamily = fontFamily;
     }
 
-    public SubFormFieldsPerDocumentDropdown fontSize(Integer fontSize) {
+    public SubFormFieldsPerDocumentDropdown fontSize(@javax.annotation.Nullable Integer fontSize) {
         this.fontSize = fontSize;
         return this;
     }
@@ -260,7 +262,7 @@ public Integer getFontSize() {
 
     @JsonProperty(JSON_PROPERTY_FONT_SIZE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFontSize(Integer fontSize) {
+    public void setFontSize(@javax.annotation.Nullable Integer fontSize) {
         this.fontSize = fontSize;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentHyperlink.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentHyperlink.java
index c3b09b212..0a1af8390 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentHyperlink.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentHyperlink.java
@@ -36,7 +36,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -47,47 +47,47 @@
         visible = true)
 public class SubFormFieldsPerDocumentHyperlink extends SubFormFieldsPerDocumentBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "hyperlink";
+    @javax.annotation.Nonnull private String type = "hyperlink";
 
     public static final String JSON_PROPERTY_CONTENT = "content";
-    private String content;
+    @javax.annotation.Nonnull private String content;
 
     public static final String JSON_PROPERTY_CONTENT_URL = "content_url";
-    private String contentUrl;
+    @javax.annotation.Nonnull private String contentUrl;
 
     /** Font family for the field. */
     public enum FontFamilyEnum {
-        HELVETICA("helvetica"),
+        HELVETICA(String.valueOf("helvetica")),
 
-        ARIAL("arial"),
+        ARIAL(String.valueOf("arial")),
 
-        COURIER("courier"),
+        COURIER(String.valueOf("courier")),
 
-        CALIBRI("calibri"),
+        CALIBRI(String.valueOf("calibri")),
 
-        CAMBRIA("cambria"),
+        CAMBRIA(String.valueOf("cambria")),
 
-        GEORGIA("georgia"),
+        GEORGIA(String.valueOf("georgia")),
 
-        TIMES("times"),
+        TIMES(String.valueOf("times")),
 
-        TREBUCHET("trebuchet"),
+        TREBUCHET(String.valueOf("trebuchet")),
 
-        VERDANA("verdana"),
+        VERDANA(String.valueOf("verdana")),
 
-        ROBOTO("roboto"),
+        ROBOTO(String.valueOf("roboto")),
 
-        ROBOTO_MONO("robotoMono"),
+        ROBOTO_MONO(String.valueOf("robotoMono")),
 
-        NOTO_SANS("notoSans"),
+        NOTO_SANS(String.valueOf("notoSans")),
 
-        NOTO_SERIF("notoSerif"),
+        NOTO_SERIF(String.valueOf("notoSerif")),
 
-        NOTO_CJK_JP_REGULAR("notoCJK-JP-Regular"),
+        NOTO_CJK_JP_REGULAR(String.valueOf("notoCJK-JP-Regular")),
 
-        NOTO_HEBREW_REGULAR("notoHebrew-Regular"),
+        NOTO_HEBREW_REGULAR(String.valueOf("notoHebrew-Regular")),
 
-        NOTO_SAN_THAI_MERGED("notoSanThaiMerged");
+        NOTO_SAN_THAI_MERGED(String.valueOf("notoSanThaiMerged"));
 
         private String value;
 
@@ -117,10 +117,10 @@ public static FontFamilyEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_FONT_FAMILY = "font_family";
-    private FontFamilyEnum fontFamily;
+    @javax.annotation.Nullable private FontFamilyEnum fontFamily;
 
     public static final String JSON_PROPERTY_FONT_SIZE = "font_size";
-    private Integer fontSize = 12;
+    @javax.annotation.Nullable private Integer fontSize = 12;
 
     public SubFormFieldsPerDocumentHyperlink() {}
 
@@ -140,7 +140,7 @@ public static SubFormFieldsPerDocumentHyperlink init(HashMap data) throws Except
                         SubFormFieldsPerDocumentHyperlink.class);
     }
 
-    public SubFormFieldsPerDocumentHyperlink type(String type) {
+    public SubFormFieldsPerDocumentHyperlink type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -159,11 +159,11 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public SubFormFieldsPerDocumentHyperlink content(String content) {
+    public SubFormFieldsPerDocumentHyperlink content(@javax.annotation.Nonnull String content) {
         this.content = content;
         return this;
     }
@@ -182,11 +182,12 @@ public String getContent() {
 
     @JsonProperty(JSON_PROPERTY_CONTENT)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setContent(String content) {
+    public void setContent(@javax.annotation.Nonnull String content) {
         this.content = content;
     }
 
-    public SubFormFieldsPerDocumentHyperlink contentUrl(String contentUrl) {
+    public SubFormFieldsPerDocumentHyperlink contentUrl(
+            @javax.annotation.Nonnull String contentUrl) {
         this.contentUrl = contentUrl;
         return this;
     }
@@ -205,11 +206,12 @@ public String getContentUrl() {
 
     @JsonProperty(JSON_PROPERTY_CONTENT_URL)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setContentUrl(String contentUrl) {
+    public void setContentUrl(@javax.annotation.Nonnull String contentUrl) {
         this.contentUrl = contentUrl;
     }
 
-    public SubFormFieldsPerDocumentHyperlink fontFamily(FontFamilyEnum fontFamily) {
+    public SubFormFieldsPerDocumentHyperlink fontFamily(
+            @javax.annotation.Nullable FontFamilyEnum fontFamily) {
         this.fontFamily = fontFamily;
         return this;
     }
@@ -227,11 +229,11 @@ public FontFamilyEnum getFontFamily() {
 
     @JsonProperty(JSON_PROPERTY_FONT_FAMILY)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFontFamily(FontFamilyEnum fontFamily) {
+    public void setFontFamily(@javax.annotation.Nullable FontFamilyEnum fontFamily) {
         this.fontFamily = fontFamily;
     }
 
-    public SubFormFieldsPerDocumentHyperlink fontSize(Integer fontSize) {
+    public SubFormFieldsPerDocumentHyperlink fontSize(@javax.annotation.Nullable Integer fontSize) {
         this.fontSize = fontSize;
         return this;
     }
@@ -251,7 +253,7 @@ public Integer getFontSize() {
 
     @JsonProperty(JSON_PROPERTY_FONT_SIZE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFontSize(Integer fontSize) {
+    public void setFontSize(@javax.annotation.Nullable Integer fontSize) {
         this.fontSize = fontSize;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentInitials.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentInitials.java
index 4cb9a0519..d00c7e281 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentInitials.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentInitials.java
@@ -28,7 +28,7 @@
 @JsonPropertyOrder({SubFormFieldsPerDocumentInitials.JSON_PROPERTY_TYPE})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -39,7 +39,7 @@
         visible = true)
 public class SubFormFieldsPerDocumentInitials extends SubFormFieldsPerDocumentBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "initials";
+    @javax.annotation.Nonnull private String type = "initials";
 
     public SubFormFieldsPerDocumentInitials() {}
 
@@ -59,7 +59,7 @@ public static SubFormFieldsPerDocumentInitials init(HashMap data) throws Excepti
                         SubFormFieldsPerDocumentInitials.class);
     }
 
-    public SubFormFieldsPerDocumentInitials type(String type) {
+    public SubFormFieldsPerDocumentInitials type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -78,7 +78,7 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentRadio.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentRadio.java
index f6837cfe1..e72b7f9b2 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentRadio.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentRadio.java
@@ -32,7 +32,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -43,13 +43,13 @@
         visible = true)
 public class SubFormFieldsPerDocumentRadio extends SubFormFieldsPerDocumentBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "radio";
+    @javax.annotation.Nonnull private String type = "radio";
 
     public static final String JSON_PROPERTY_GROUP = "group";
-    private String group;
+    @javax.annotation.Nonnull private String group;
 
     public static final String JSON_PROPERTY_IS_CHECKED = "is_checked";
-    private Boolean isChecked;
+    @javax.annotation.Nonnull private Boolean isChecked;
 
     public SubFormFieldsPerDocumentRadio() {}
 
@@ -69,7 +69,7 @@ public static SubFormFieldsPerDocumentRadio init(HashMap data) throws Exception
                         SubFormFieldsPerDocumentRadio.class);
     }
 
-    public SubFormFieldsPerDocumentRadio type(String type) {
+    public SubFormFieldsPerDocumentRadio type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -88,11 +88,11 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public SubFormFieldsPerDocumentRadio group(String group) {
+    public SubFormFieldsPerDocumentRadio group(@javax.annotation.Nonnull String group) {
         this.group = group;
         return this;
     }
@@ -111,11 +111,11 @@ public String getGroup() {
 
     @JsonProperty(JSON_PROPERTY_GROUP)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setGroup(String group) {
+    public void setGroup(@javax.annotation.Nonnull String group) {
         this.group = group;
     }
 
-    public SubFormFieldsPerDocumentRadio isChecked(Boolean isChecked) {
+    public SubFormFieldsPerDocumentRadio isChecked(@javax.annotation.Nonnull Boolean isChecked) {
         this.isChecked = isChecked;
         return this;
     }
@@ -135,7 +135,7 @@ public Boolean getIsChecked() {
 
     @JsonProperty(JSON_PROPERTY_IS_CHECKED)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setIsChecked(Boolean isChecked) {
+    public void setIsChecked(@javax.annotation.Nonnull Boolean isChecked) {
         this.isChecked = isChecked;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentSignature.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentSignature.java
index 4c3019c99..71370c6d2 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentSignature.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentSignature.java
@@ -28,7 +28,7 @@
 @JsonPropertyOrder({SubFormFieldsPerDocumentSignature.JSON_PROPERTY_TYPE})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -39,7 +39,7 @@
         visible = true)
 public class SubFormFieldsPerDocumentSignature extends SubFormFieldsPerDocumentBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "signature";
+    @javax.annotation.Nonnull private String type = "signature";
 
     public SubFormFieldsPerDocumentSignature() {}
 
@@ -59,7 +59,7 @@ public static SubFormFieldsPerDocumentSignature init(HashMap data) throws Except
                         SubFormFieldsPerDocumentSignature.class);
     }
 
-    public SubFormFieldsPerDocumentSignature type(String type) {
+    public SubFormFieldsPerDocumentSignature type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -78,7 +78,7 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentText.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentText.java
index 31ab41161..00d47ecb5 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentText.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentText.java
@@ -42,7 +42,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -53,19 +53,19 @@
         visible = true)
 public class SubFormFieldsPerDocumentText extends SubFormFieldsPerDocumentBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "text";
+    @javax.annotation.Nonnull private String type = "text";
 
     public static final String JSON_PROPERTY_PLACEHOLDER = "placeholder";
-    private String placeholder;
+    @javax.annotation.Nullable private String placeholder;
 
     public static final String JSON_PROPERTY_AUTO_FILL_TYPE = "auto_fill_type";
-    private String autoFillType;
+    @javax.annotation.Nullable private String autoFillType;
 
     public static final String JSON_PROPERTY_LINK_ID = "link_id";
-    private String linkId;
+    @javax.annotation.Nullable private String linkId;
 
     public static final String JSON_PROPERTY_MASKED = "masked";
-    private Boolean masked;
+    @javax.annotation.Nullable private Boolean masked;
 
     /**
      * Each text field may contain a &#x60;validation_type&#x60; parameter. Check out the list of
@@ -76,25 +76,25 @@ public class SubFormFieldsPerDocumentText extends SubFormFieldsPerDocumentBase {
      * case of an invalid value.
      */
     public enum ValidationTypeEnum {
-        NUMBERS_ONLY("numbers_only"),
+        NUMBERS_ONLY(String.valueOf("numbers_only")),
 
-        LETTERS_ONLY("letters_only"),
+        LETTERS_ONLY(String.valueOf("letters_only")),
 
-        PHONE_NUMBER("phone_number"),
+        PHONE_NUMBER(String.valueOf("phone_number")),
 
-        BANK_ROUTING_NUMBER("bank_routing_number"),
+        BANK_ROUTING_NUMBER(String.valueOf("bank_routing_number")),
 
-        BANK_ACCOUNT_NUMBER("bank_account_number"),
+        BANK_ACCOUNT_NUMBER(String.valueOf("bank_account_number")),
 
-        EMAIL_ADDRESS("email_address"),
+        EMAIL_ADDRESS(String.valueOf("email_address")),
 
-        ZIP_CODE("zip_code"),
+        ZIP_CODE(String.valueOf("zip_code")),
 
-        SOCIAL_SECURITY_NUMBER("social_security_number"),
+        SOCIAL_SECURITY_NUMBER(String.valueOf("social_security_number")),
 
-        EMPLOYER_IDENTIFICATION_NUMBER("employer_identification_number"),
+        EMPLOYER_IDENTIFICATION_NUMBER(String.valueOf("employer_identification_number")),
 
-        CUSTOM_REGEX("custom_regex");
+        CUSTOM_REGEX(String.valueOf("custom_regex"));
 
         private String value;
 
@@ -124,51 +124,51 @@ public static ValidationTypeEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_VALIDATION_TYPE = "validation_type";
-    private ValidationTypeEnum validationType;
+    @javax.annotation.Nullable private ValidationTypeEnum validationType;
 
     public static final String JSON_PROPERTY_VALIDATION_CUSTOM_REGEX = "validation_custom_regex";
-    private String validationCustomRegex;
+    @javax.annotation.Nullable private String validationCustomRegex;
 
     public static final String JSON_PROPERTY_VALIDATION_CUSTOM_REGEX_FORMAT_LABEL =
             "validation_custom_regex_format_label";
-    private String validationCustomRegexFormatLabel;
+    @javax.annotation.Nullable private String validationCustomRegexFormatLabel;
 
     public static final String JSON_PROPERTY_CONTENT = "content";
-    private String content;
+    @javax.annotation.Nullable private String content;
 
     /** Font family for the field. */
     public enum FontFamilyEnum {
-        HELVETICA("helvetica"),
+        HELVETICA(String.valueOf("helvetica")),
 
-        ARIAL("arial"),
+        ARIAL(String.valueOf("arial")),
 
-        COURIER("courier"),
+        COURIER(String.valueOf("courier")),
 
-        CALIBRI("calibri"),
+        CALIBRI(String.valueOf("calibri")),
 
-        CAMBRIA("cambria"),
+        CAMBRIA(String.valueOf("cambria")),
 
-        GEORGIA("georgia"),
+        GEORGIA(String.valueOf("georgia")),
 
-        TIMES("times"),
+        TIMES(String.valueOf("times")),
 
-        TREBUCHET("trebuchet"),
+        TREBUCHET(String.valueOf("trebuchet")),
 
-        VERDANA("verdana"),
+        VERDANA(String.valueOf("verdana")),
 
-        ROBOTO("roboto"),
+        ROBOTO(String.valueOf("roboto")),
 
-        ROBOTO_MONO("robotoMono"),
+        ROBOTO_MONO(String.valueOf("robotoMono")),
 
-        NOTO_SANS("notoSans"),
+        NOTO_SANS(String.valueOf("notoSans")),
 
-        NOTO_SERIF("notoSerif"),
+        NOTO_SERIF(String.valueOf("notoSerif")),
 
-        NOTO_CJK_JP_REGULAR("notoCJK-JP-Regular"),
+        NOTO_CJK_JP_REGULAR(String.valueOf("notoCJK-JP-Regular")),
 
-        NOTO_HEBREW_REGULAR("notoHebrew-Regular"),
+        NOTO_HEBREW_REGULAR(String.valueOf("notoHebrew-Regular")),
 
-        NOTO_SAN_THAI_MERGED("notoSanThaiMerged");
+        NOTO_SAN_THAI_MERGED(String.valueOf("notoSanThaiMerged"));
 
         private String value;
 
@@ -198,10 +198,10 @@ public static FontFamilyEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_FONT_FAMILY = "font_family";
-    private FontFamilyEnum fontFamily;
+    @javax.annotation.Nullable private FontFamilyEnum fontFamily;
 
     public static final String JSON_PROPERTY_FONT_SIZE = "font_size";
-    private Integer fontSize = 12;
+    @javax.annotation.Nullable private Integer fontSize = 12;
 
     public SubFormFieldsPerDocumentText() {}
 
@@ -221,7 +221,7 @@ public static SubFormFieldsPerDocumentText init(HashMap data) throws Exception {
                         SubFormFieldsPerDocumentText.class);
     }
 
-    public SubFormFieldsPerDocumentText type(String type) {
+    public SubFormFieldsPerDocumentText type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -240,11 +240,11 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public SubFormFieldsPerDocumentText placeholder(String placeholder) {
+    public SubFormFieldsPerDocumentText placeholder(@javax.annotation.Nullable String placeholder) {
         this.placeholder = placeholder;
         return this;
     }
@@ -262,11 +262,12 @@ public String getPlaceholder() {
 
     @JsonProperty(JSON_PROPERTY_PLACEHOLDER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPlaceholder(String placeholder) {
+    public void setPlaceholder(@javax.annotation.Nullable String placeholder) {
         this.placeholder = placeholder;
     }
 
-    public SubFormFieldsPerDocumentText autoFillType(String autoFillType) {
+    public SubFormFieldsPerDocumentText autoFillType(
+            @javax.annotation.Nullable String autoFillType) {
         this.autoFillType = autoFillType;
         return this;
     }
@@ -285,11 +286,11 @@ public String getAutoFillType() {
 
     @JsonProperty(JSON_PROPERTY_AUTO_FILL_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAutoFillType(String autoFillType) {
+    public void setAutoFillType(@javax.annotation.Nullable String autoFillType) {
         this.autoFillType = autoFillType;
     }
 
-    public SubFormFieldsPerDocumentText linkId(String linkId) {
+    public SubFormFieldsPerDocumentText linkId(@javax.annotation.Nullable String linkId) {
         this.linkId = linkId;
         return this;
     }
@@ -308,11 +309,11 @@ public String getLinkId() {
 
     @JsonProperty(JSON_PROPERTY_LINK_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setLinkId(String linkId) {
+    public void setLinkId(@javax.annotation.Nullable String linkId) {
         this.linkId = linkId;
     }
 
-    public SubFormFieldsPerDocumentText masked(Boolean masked) {
+    public SubFormFieldsPerDocumentText masked(@javax.annotation.Nullable Boolean masked) {
         this.masked = masked;
         return this;
     }
@@ -332,11 +333,12 @@ public Boolean getMasked() {
 
     @JsonProperty(JSON_PROPERTY_MASKED)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMasked(Boolean masked) {
+    public void setMasked(@javax.annotation.Nullable Boolean masked) {
         this.masked = masked;
     }
 
-    public SubFormFieldsPerDocumentText validationType(ValidationTypeEnum validationType) {
+    public SubFormFieldsPerDocumentText validationType(
+            @javax.annotation.Nullable ValidationTypeEnum validationType) {
         this.validationType = validationType;
         return this;
     }
@@ -359,11 +361,12 @@ public ValidationTypeEnum getValidationType() {
 
     @JsonProperty(JSON_PROPERTY_VALIDATION_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValidationType(ValidationTypeEnum validationType) {
+    public void setValidationType(@javax.annotation.Nullable ValidationTypeEnum validationType) {
         this.validationType = validationType;
     }
 
-    public SubFormFieldsPerDocumentText validationCustomRegex(String validationCustomRegex) {
+    public SubFormFieldsPerDocumentText validationCustomRegex(
+            @javax.annotation.Nullable String validationCustomRegex) {
         this.validationCustomRegex = validationCustomRegex;
         return this;
     }
@@ -381,12 +384,12 @@ public String getValidationCustomRegex() {
 
     @JsonProperty(JSON_PROPERTY_VALIDATION_CUSTOM_REGEX)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValidationCustomRegex(String validationCustomRegex) {
+    public void setValidationCustomRegex(@javax.annotation.Nullable String validationCustomRegex) {
         this.validationCustomRegex = validationCustomRegex;
     }
 
     public SubFormFieldsPerDocumentText validationCustomRegexFormatLabel(
-            String validationCustomRegexFormatLabel) {
+            @javax.annotation.Nullable String validationCustomRegexFormatLabel) {
         this.validationCustomRegexFormatLabel = validationCustomRegexFormatLabel;
         return this;
     }
@@ -404,11 +407,12 @@ public String getValidationCustomRegexFormatLabel() {
 
     @JsonProperty(JSON_PROPERTY_VALIDATION_CUSTOM_REGEX_FORMAT_LABEL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValidationCustomRegexFormatLabel(String validationCustomRegexFormatLabel) {
+    public void setValidationCustomRegexFormatLabel(
+            @javax.annotation.Nullable String validationCustomRegexFormatLabel) {
         this.validationCustomRegexFormatLabel = validationCustomRegexFormatLabel;
     }
 
-    public SubFormFieldsPerDocumentText content(String content) {
+    public SubFormFieldsPerDocumentText content(@javax.annotation.Nullable String content) {
         this.content = content;
         return this;
     }
@@ -426,11 +430,12 @@ public String getContent() {
 
     @JsonProperty(JSON_PROPERTY_CONTENT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setContent(String content) {
+    public void setContent(@javax.annotation.Nullable String content) {
         this.content = content;
     }
 
-    public SubFormFieldsPerDocumentText fontFamily(FontFamilyEnum fontFamily) {
+    public SubFormFieldsPerDocumentText fontFamily(
+            @javax.annotation.Nullable FontFamilyEnum fontFamily) {
         this.fontFamily = fontFamily;
         return this;
     }
@@ -448,11 +453,11 @@ public FontFamilyEnum getFontFamily() {
 
     @JsonProperty(JSON_PROPERTY_FONT_FAMILY)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFontFamily(FontFamilyEnum fontFamily) {
+    public void setFontFamily(@javax.annotation.Nullable FontFamilyEnum fontFamily) {
         this.fontFamily = fontFamily;
     }
 
-    public SubFormFieldsPerDocumentText fontSize(Integer fontSize) {
+    public SubFormFieldsPerDocumentText fontSize(@javax.annotation.Nullable Integer fontSize) {
         this.fontSize = fontSize;
         return this;
     }
@@ -472,7 +477,7 @@ public Integer getFontSize() {
 
     @JsonProperty(JSON_PROPERTY_FONT_SIZE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFontSize(Integer fontSize) {
+    public void setFontSize(@javax.annotation.Nullable Integer fontSize) {
         this.fontSize = fontSize;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentTextMerge.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentTextMerge.java
index 833bfc7f4..d4bf984d5 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentTextMerge.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubFormFieldsPerDocumentTextMerge.java
@@ -34,7 +34,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -45,41 +45,41 @@
         visible = true)
 public class SubFormFieldsPerDocumentTextMerge extends SubFormFieldsPerDocumentBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "text-merge";
+    @javax.annotation.Nonnull private String type = "text-merge";
 
     /** Font family for the field. */
     public enum FontFamilyEnum {
-        HELVETICA("helvetica"),
+        HELVETICA(String.valueOf("helvetica")),
 
-        ARIAL("arial"),
+        ARIAL(String.valueOf("arial")),
 
-        COURIER("courier"),
+        COURIER(String.valueOf("courier")),
 
-        CALIBRI("calibri"),
+        CALIBRI(String.valueOf("calibri")),
 
-        CAMBRIA("cambria"),
+        CAMBRIA(String.valueOf("cambria")),
 
-        GEORGIA("georgia"),
+        GEORGIA(String.valueOf("georgia")),
 
-        TIMES("times"),
+        TIMES(String.valueOf("times")),
 
-        TREBUCHET("trebuchet"),
+        TREBUCHET(String.valueOf("trebuchet")),
 
-        VERDANA("verdana"),
+        VERDANA(String.valueOf("verdana")),
 
-        ROBOTO("roboto"),
+        ROBOTO(String.valueOf("roboto")),
 
-        ROBOTO_MONO("robotoMono"),
+        ROBOTO_MONO(String.valueOf("robotoMono")),
 
-        NOTO_SANS("notoSans"),
+        NOTO_SANS(String.valueOf("notoSans")),
 
-        NOTO_SERIF("notoSerif"),
+        NOTO_SERIF(String.valueOf("notoSerif")),
 
-        NOTO_CJK_JP_REGULAR("notoCJK-JP-Regular"),
+        NOTO_CJK_JP_REGULAR(String.valueOf("notoCJK-JP-Regular")),
 
-        NOTO_HEBREW_REGULAR("notoHebrew-Regular"),
+        NOTO_HEBREW_REGULAR(String.valueOf("notoHebrew-Regular")),
 
-        NOTO_SAN_THAI_MERGED("notoSanThaiMerged");
+        NOTO_SAN_THAI_MERGED(String.valueOf("notoSanThaiMerged"));
 
         private String value;
 
@@ -109,10 +109,10 @@ public static FontFamilyEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_FONT_FAMILY = "font_family";
-    private FontFamilyEnum fontFamily;
+    @javax.annotation.Nullable private FontFamilyEnum fontFamily;
 
     public static final String JSON_PROPERTY_FONT_SIZE = "font_size";
-    private Integer fontSize = 12;
+    @javax.annotation.Nullable private Integer fontSize = 12;
 
     public SubFormFieldsPerDocumentTextMerge() {}
 
@@ -132,7 +132,7 @@ public static SubFormFieldsPerDocumentTextMerge init(HashMap data) throws Except
                         SubFormFieldsPerDocumentTextMerge.class);
     }
 
-    public SubFormFieldsPerDocumentTextMerge type(String type) {
+    public SubFormFieldsPerDocumentTextMerge type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -152,11 +152,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public SubFormFieldsPerDocumentTextMerge fontFamily(FontFamilyEnum fontFamily) {
+    public SubFormFieldsPerDocumentTextMerge fontFamily(
+            @javax.annotation.Nullable FontFamilyEnum fontFamily) {
         this.fontFamily = fontFamily;
         return this;
     }
@@ -174,11 +175,11 @@ public FontFamilyEnum getFontFamily() {
 
     @JsonProperty(JSON_PROPERTY_FONT_FAMILY)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFontFamily(FontFamilyEnum fontFamily) {
+    public void setFontFamily(@javax.annotation.Nullable FontFamilyEnum fontFamily) {
         this.fontFamily = fontFamily;
     }
 
-    public SubFormFieldsPerDocumentTextMerge fontSize(Integer fontSize) {
+    public SubFormFieldsPerDocumentTextMerge fontSize(@javax.annotation.Nullable Integer fontSize) {
         this.fontSize = fontSize;
         return this;
     }
@@ -198,7 +199,7 @@ public Integer getFontSize() {
 
     @JsonProperty(JSON_PROPERTY_FONT_SIZE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFontSize(Integer fontSize) {
+    public void setFontSize(@javax.annotation.Nullable Integer fontSize) {
         this.fontSize = fontSize;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubMergeField.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubMergeField.java
index 53accb1a1..d4f7fba9f 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubMergeField.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubMergeField.java
@@ -29,17 +29,17 @@
 @JsonPropertyOrder({SubMergeField.JSON_PROPERTY_NAME, SubMergeField.JSON_PROPERTY_TYPE})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubMergeField {
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nonnull private String name;
 
     /** The type of merge field. */
     public enum TypeEnum {
-        TEXT("text"),
+        TEXT(String.valueOf("text")),
 
-        CHECKBOX("checkbox");
+        CHECKBOX(String.valueOf("checkbox"));
 
         private String value;
 
@@ -69,7 +69,7 @@ public static TypeEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_TYPE = "type";
-    private TypeEnum type;
+    @javax.annotation.Nonnull private TypeEnum type;
 
     public SubMergeField() {}
 
@@ -87,7 +87,7 @@ public static SubMergeField init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), SubMergeField.class);
     }
 
-    public SubMergeField name(String name) {
+    public SubMergeField name(@javax.annotation.Nonnull String name) {
         this.name = name;
         return this;
     }
@@ -106,11 +106,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nonnull String name) {
         this.name = name;
     }
 
-    public SubMergeField type(TypeEnum type) {
+    public SubMergeField type(@javax.annotation.Nonnull TypeEnum type) {
         this.type = type;
         return this;
     }
@@ -129,7 +129,7 @@ public TypeEnum getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(TypeEnum type) {
+    public void setType(@javax.annotation.Nonnull TypeEnum type) {
         this.type = type;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubOAuth.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubOAuth.java
index 015efbcb4..1d7220b38 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubOAuth.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubOAuth.java
@@ -31,29 +31,29 @@
 @JsonPropertyOrder({SubOAuth.JSON_PROPERTY_CALLBACK_URL, SubOAuth.JSON_PROPERTY_SCOPES})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubOAuth {
     public static final String JSON_PROPERTY_CALLBACK_URL = "callback_url";
-    private String callbackUrl;
+    @javax.annotation.Nullable private String callbackUrl;
 
     /** Gets or Sets scopes */
     public enum ScopesEnum {
-        REQUEST_SIGNATURE("request_signature"),
+        REQUEST_SIGNATURE(String.valueOf("request_signature")),
 
-        BASIC_ACCOUNT_INFO("basic_account_info"),
+        BASIC_ACCOUNT_INFO(String.valueOf("basic_account_info")),
 
-        ACCOUNT_ACCESS("account_access"),
+        ACCOUNT_ACCESS(String.valueOf("account_access")),
 
-        SIGNATURE_REQUEST_ACCESS("signature_request_access"),
+        SIGNATURE_REQUEST_ACCESS(String.valueOf("signature_request_access")),
 
-        TEMPLATE_ACCESS("template_access"),
+        TEMPLATE_ACCESS(String.valueOf("template_access")),
 
-        TEAM_ACCESS("team_access"),
+        TEAM_ACCESS(String.valueOf("team_access")),
 
-        API_APP_ACCESS("api_app_access"),
+        API_APP_ACCESS(String.valueOf("api_app_access")),
 
-        EMPTY("");
+        EMPTY(String.valueOf(""));
 
         private String value;
 
@@ -83,7 +83,7 @@ public static ScopesEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_SCOPES = "scopes";
-    private List<ScopesEnum> scopes = null;
+    @javax.annotation.Nullable private List<ScopesEnum> scopes = null;
 
     public SubOAuth() {}
 
@@ -101,7 +101,7 @@ public static SubOAuth init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), SubOAuth.class);
     }
 
-    public SubOAuth callbackUrl(String callbackUrl) {
+    public SubOAuth callbackUrl(@javax.annotation.Nullable String callbackUrl) {
         this.callbackUrl = callbackUrl;
         return this;
     }
@@ -120,11 +120,11 @@ public String getCallbackUrl() {
 
     @JsonProperty(JSON_PROPERTY_CALLBACK_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCallbackUrl(String callbackUrl) {
+    public void setCallbackUrl(@javax.annotation.Nullable String callbackUrl) {
         this.callbackUrl = callbackUrl;
     }
 
-    public SubOAuth scopes(List<ScopesEnum> scopes) {
+    public SubOAuth scopes(@javax.annotation.Nullable List<ScopesEnum> scopes) {
         this.scopes = scopes;
         return this;
     }
@@ -151,7 +151,7 @@ public List<ScopesEnum> getScopes() {
 
     @JsonProperty(JSON_PROPERTY_SCOPES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setScopes(List<ScopesEnum> scopes) {
+    public void setScopes(@javax.annotation.Nullable List<ScopesEnum> scopes) {
         this.scopes = scopes;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubOptions.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubOptions.java
index c172a1be1..dca71d2ef 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubOptions.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubOptions.java
@@ -27,11 +27,11 @@
 @JsonPropertyOrder({SubOptions.JSON_PROPERTY_CAN_INSERT_EVERYWHERE})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubOptions {
     public static final String JSON_PROPERTY_CAN_INSERT_EVERYWHERE = "can_insert_everywhere";
-    private Boolean canInsertEverywhere = false;
+    @javax.annotation.Nullable private Boolean canInsertEverywhere = false;
 
     public SubOptions() {}
 
@@ -49,7 +49,7 @@ public static SubOptions init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), SubOptions.class);
     }
 
-    public SubOptions canInsertEverywhere(Boolean canInsertEverywhere) {
+    public SubOptions canInsertEverywhere(@javax.annotation.Nullable Boolean canInsertEverywhere) {
         this.canInsertEverywhere = canInsertEverywhere;
         return this;
     }
@@ -67,7 +67,7 @@ public Boolean getCanInsertEverywhere() {
 
     @JsonProperty(JSON_PROPERTY_CAN_INSERT_EVERYWHERE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCanInsertEverywhere(Boolean canInsertEverywhere) {
+    public void setCanInsertEverywhere(@javax.annotation.Nullable Boolean canInsertEverywhere) {
         this.canInsertEverywhere = canInsertEverywhere;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubSignatureRequestGroupedSigners.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubSignatureRequestGroupedSigners.java
index e6c28a56a..b67ccb989 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubSignatureRequestGroupedSigners.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubSignatureRequestGroupedSigners.java
@@ -33,17 +33,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubSignatureRequestGroupedSigners {
     public static final String JSON_PROPERTY_GROUP = "group";
-    private String group;
+    @javax.annotation.Nonnull private String group;
 
     public static final String JSON_PROPERTY_SIGNERS = "signers";
-    private List<SubSignatureRequestSigner> signers = new ArrayList<>();
+    @javax.annotation.Nonnull private List<SubSignatureRequestSigner> signers = new ArrayList<>();
 
     public static final String JSON_PROPERTY_ORDER = "order";
-    private Integer order;
+    @javax.annotation.Nullable private Integer order;
 
     public SubSignatureRequestGroupedSigners() {}
 
@@ -63,7 +63,7 @@ public static SubSignatureRequestGroupedSigners init(HashMap data) throws Except
                         SubSignatureRequestGroupedSigners.class);
     }
 
-    public SubSignatureRequestGroupedSigners group(String group) {
+    public SubSignatureRequestGroupedSigners group(@javax.annotation.Nonnull String group) {
         this.group = group;
         return this;
     }
@@ -82,11 +82,12 @@ public String getGroup() {
 
     @JsonProperty(JSON_PROPERTY_GROUP)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setGroup(String group) {
+    public void setGroup(@javax.annotation.Nonnull String group) {
         this.group = group;
     }
 
-    public SubSignatureRequestGroupedSigners signers(List<SubSignatureRequestSigner> signers) {
+    public SubSignatureRequestGroupedSigners signers(
+            @javax.annotation.Nonnull List<SubSignatureRequestSigner> signers) {
         this.signers = signers;
         return this;
     }
@@ -115,11 +116,11 @@ public List<SubSignatureRequestSigner> getSigners() {
 
     @JsonProperty(JSON_PROPERTY_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setSigners(List<SubSignatureRequestSigner> signers) {
+    public void setSigners(@javax.annotation.Nonnull List<SubSignatureRequestSigner> signers) {
         this.signers = signers;
     }
 
-    public SubSignatureRequestGroupedSigners order(Integer order) {
+    public SubSignatureRequestGroupedSigners order(@javax.annotation.Nullable Integer order) {
         this.order = order;
         return this;
     }
@@ -138,7 +139,7 @@ public Integer getOrder() {
 
     @JsonProperty(JSON_PROPERTY_ORDER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOrder(Integer order) {
+    public void setOrder(@javax.annotation.Nullable Integer order) {
         this.order = order;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubSignatureRequestSigner.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubSignatureRequestSigner.java
index a110601e8..6bfe0c6eb 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubSignatureRequestSigner.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubSignatureRequestSigner.java
@@ -36,23 +36,23 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubSignatureRequestSigner {
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nonnull private String name;
 
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nonnull private String emailAddress;
 
     public static final String JSON_PROPERTY_ORDER = "order";
-    private Integer order;
+    @javax.annotation.Nullable private Integer order;
 
     public static final String JSON_PROPERTY_PIN = "pin";
-    private String pin;
+    @javax.annotation.Nullable private String pin;
 
     public static final String JSON_PROPERTY_SMS_PHONE_NUMBER = "sms_phone_number";
-    private String smsPhoneNumber;
+    @javax.annotation.Nullable private String smsPhoneNumber;
 
     /**
      * Specifies the feature used with the &#x60;sms_phone_number&#x60;. Default
@@ -61,9 +61,9 @@ public class SubSignatureRequestSigner {
      * the signature request is delivered via SMS (_and_ email).
      */
     public enum SmsPhoneNumberTypeEnum {
-        AUTHENTICATION("authentication"),
+        AUTHENTICATION(String.valueOf("authentication")),
 
-        DELIVERY("delivery");
+        DELIVERY(String.valueOf("delivery"));
 
         private String value;
 
@@ -93,7 +93,7 @@ public static SmsPhoneNumberTypeEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_SMS_PHONE_NUMBER_TYPE = "sms_phone_number_type";
-    private SmsPhoneNumberTypeEnum smsPhoneNumberType;
+    @javax.annotation.Nullable private SmsPhoneNumberTypeEnum smsPhoneNumberType;
 
     public SubSignatureRequestSigner() {}
 
@@ -113,7 +113,7 @@ public static SubSignatureRequestSigner init(HashMap data) throws Exception {
                         SubSignatureRequestSigner.class);
     }
 
-    public SubSignatureRequestSigner name(String name) {
+    public SubSignatureRequestSigner name(@javax.annotation.Nonnull String name) {
         this.name = name;
         return this;
     }
@@ -132,11 +132,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nonnull String name) {
         this.name = name;
     }
 
-    public SubSignatureRequestSigner emailAddress(String emailAddress) {
+    public SubSignatureRequestSigner emailAddress(@javax.annotation.Nonnull String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -155,11 +155,11 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nonnull String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
-    public SubSignatureRequestSigner order(Integer order) {
+    public SubSignatureRequestSigner order(@javax.annotation.Nullable Integer order) {
         this.order = order;
         return this;
     }
@@ -177,11 +177,11 @@ public Integer getOrder() {
 
     @JsonProperty(JSON_PROPERTY_ORDER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOrder(Integer order) {
+    public void setOrder(@javax.annotation.Nullable Integer order) {
         this.order = order;
     }
 
-    public SubSignatureRequestSigner pin(String pin) {
+    public SubSignatureRequestSigner pin(@javax.annotation.Nullable String pin) {
         this.pin = pin;
         return this;
     }
@@ -199,11 +199,12 @@ public String getPin() {
 
     @JsonProperty(JSON_PROPERTY_PIN)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPin(String pin) {
+    public void setPin(@javax.annotation.Nullable String pin) {
         this.pin = pin;
     }
 
-    public SubSignatureRequestSigner smsPhoneNumber(String smsPhoneNumber) {
+    public SubSignatureRequestSigner smsPhoneNumber(
+            @javax.annotation.Nullable String smsPhoneNumber) {
         this.smsPhoneNumber = smsPhoneNumber;
         return this;
     }
@@ -226,11 +227,12 @@ public String getSmsPhoneNumber() {
 
     @JsonProperty(JSON_PROPERTY_SMS_PHONE_NUMBER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSmsPhoneNumber(String smsPhoneNumber) {
+    public void setSmsPhoneNumber(@javax.annotation.Nullable String smsPhoneNumber) {
         this.smsPhoneNumber = smsPhoneNumber;
     }
 
-    public SubSignatureRequestSigner smsPhoneNumberType(SmsPhoneNumberTypeEnum smsPhoneNumberType) {
+    public SubSignatureRequestSigner smsPhoneNumberType(
+            @javax.annotation.Nullable SmsPhoneNumberTypeEnum smsPhoneNumberType) {
         this.smsPhoneNumberType = smsPhoneNumberType;
         return this;
     }
@@ -251,7 +253,8 @@ public SmsPhoneNumberTypeEnum getSmsPhoneNumberType() {
 
     @JsonProperty(JSON_PROPERTY_SMS_PHONE_NUMBER_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSmsPhoneNumberType(SmsPhoneNumberTypeEnum smsPhoneNumberType) {
+    public void setSmsPhoneNumberType(
+            @javax.annotation.Nullable SmsPhoneNumberTypeEnum smsPhoneNumberType) {
         this.smsPhoneNumberType = smsPhoneNumberType;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubSignatureRequestTemplateSigner.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubSignatureRequestTemplateSigner.java
index 1c2b9ee34..a43dfa702 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubSignatureRequestTemplateSigner.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubSignatureRequestTemplateSigner.java
@@ -36,23 +36,23 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubSignatureRequestTemplateSigner {
     public static final String JSON_PROPERTY_ROLE = "role";
-    private String role;
+    @javax.annotation.Nonnull private String role;
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nonnull private String name;
 
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nonnull private String emailAddress;
 
     public static final String JSON_PROPERTY_PIN = "pin";
-    private String pin;
+    @javax.annotation.Nullable private String pin;
 
     public static final String JSON_PROPERTY_SMS_PHONE_NUMBER = "sms_phone_number";
-    private String smsPhoneNumber;
+    @javax.annotation.Nullable private String smsPhoneNumber;
 
     /**
      * Specifies the feature used with the &#x60;sms_phone_number&#x60;. Default
@@ -61,9 +61,9 @@ public class SubSignatureRequestTemplateSigner {
      * the signature request is delivered via SMS (_and_ email).
      */
     public enum SmsPhoneNumberTypeEnum {
-        AUTHENTICATION("authentication"),
+        AUTHENTICATION(String.valueOf("authentication")),
 
-        DELIVERY("delivery");
+        DELIVERY(String.valueOf("delivery"));
 
         private String value;
 
@@ -93,7 +93,7 @@ public static SmsPhoneNumberTypeEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_SMS_PHONE_NUMBER_TYPE = "sms_phone_number_type";
-    private SmsPhoneNumberTypeEnum smsPhoneNumberType;
+    @javax.annotation.Nullable private SmsPhoneNumberTypeEnum smsPhoneNumberType;
 
     public SubSignatureRequestTemplateSigner() {}
 
@@ -113,7 +113,7 @@ public static SubSignatureRequestTemplateSigner init(HashMap data) throws Except
                         SubSignatureRequestTemplateSigner.class);
     }
 
-    public SubSignatureRequestTemplateSigner role(String role) {
+    public SubSignatureRequestTemplateSigner role(@javax.annotation.Nonnull String role) {
         this.role = role;
         return this;
     }
@@ -132,11 +132,11 @@ public String getRole() {
 
     @JsonProperty(JSON_PROPERTY_ROLE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setRole(String role) {
+    public void setRole(@javax.annotation.Nonnull String role) {
         this.role = role;
     }
 
-    public SubSignatureRequestTemplateSigner name(String name) {
+    public SubSignatureRequestTemplateSigner name(@javax.annotation.Nonnull String name) {
         this.name = name;
         return this;
     }
@@ -155,11 +155,12 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nonnull String name) {
         this.name = name;
     }
 
-    public SubSignatureRequestTemplateSigner emailAddress(String emailAddress) {
+    public SubSignatureRequestTemplateSigner emailAddress(
+            @javax.annotation.Nonnull String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -178,11 +179,11 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nonnull String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
-    public SubSignatureRequestTemplateSigner pin(String pin) {
+    public SubSignatureRequestTemplateSigner pin(@javax.annotation.Nullable String pin) {
         this.pin = pin;
         return this;
     }
@@ -200,11 +201,12 @@ public String getPin() {
 
     @JsonProperty(JSON_PROPERTY_PIN)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPin(String pin) {
+    public void setPin(@javax.annotation.Nullable String pin) {
         this.pin = pin;
     }
 
-    public SubSignatureRequestTemplateSigner smsPhoneNumber(String smsPhoneNumber) {
+    public SubSignatureRequestTemplateSigner smsPhoneNumber(
+            @javax.annotation.Nullable String smsPhoneNumber) {
         this.smsPhoneNumber = smsPhoneNumber;
         return this;
     }
@@ -227,12 +229,12 @@ public String getSmsPhoneNumber() {
 
     @JsonProperty(JSON_PROPERTY_SMS_PHONE_NUMBER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSmsPhoneNumber(String smsPhoneNumber) {
+    public void setSmsPhoneNumber(@javax.annotation.Nullable String smsPhoneNumber) {
         this.smsPhoneNumber = smsPhoneNumber;
     }
 
     public SubSignatureRequestTemplateSigner smsPhoneNumberType(
-            SmsPhoneNumberTypeEnum smsPhoneNumberType) {
+            @javax.annotation.Nullable SmsPhoneNumberTypeEnum smsPhoneNumberType) {
         this.smsPhoneNumberType = smsPhoneNumberType;
         return this;
     }
@@ -253,7 +255,8 @@ public SmsPhoneNumberTypeEnum getSmsPhoneNumberType() {
 
     @JsonProperty(JSON_PROPERTY_SMS_PHONE_NUMBER_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSmsPhoneNumberType(SmsPhoneNumberTypeEnum smsPhoneNumberType) {
+    public void setSmsPhoneNumberType(
+            @javax.annotation.Nullable SmsPhoneNumberTypeEnum smsPhoneNumberType) {
         this.smsPhoneNumberType = smsPhoneNumberType;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubSigningOptions.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubSigningOptions.java
index c1be71eed..0dea6a670 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubSigningOptions.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubSigningOptions.java
@@ -39,18 +39,18 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubSigningOptions {
     /** The default type shown (limited to the listed types) */
     public enum DefaultTypeEnum {
-        DRAW("draw"),
+        DRAW(String.valueOf("draw")),
 
-        PHONE("phone"),
+        PHONE(String.valueOf("phone")),
 
-        TYPE("type"),
+        TYPE(String.valueOf("type")),
 
-        UPLOAD("upload");
+        UPLOAD(String.valueOf("upload"));
 
         private String value;
 
@@ -80,19 +80,19 @@ public static DefaultTypeEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_DEFAULT_TYPE = "default_type";
-    private DefaultTypeEnum defaultType;
+    @javax.annotation.Nonnull private DefaultTypeEnum defaultType;
 
     public static final String JSON_PROPERTY_DRAW = "draw";
-    private Boolean draw = false;
+    @javax.annotation.Nullable private Boolean draw = false;
 
     public static final String JSON_PROPERTY_PHONE = "phone";
-    private Boolean phone = false;
+    @javax.annotation.Nullable private Boolean phone = false;
 
     public static final String JSON_PROPERTY_TYPE = "type";
-    private Boolean type = false;
+    @javax.annotation.Nullable private Boolean type = false;
 
     public static final String JSON_PROPERTY_UPLOAD = "upload";
-    private Boolean upload = false;
+    @javax.annotation.Nullable private Boolean upload = false;
 
     public SubSigningOptions() {}
 
@@ -110,7 +110,7 @@ public static SubSigningOptions init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), SubSigningOptions.class);
     }
 
-    public SubSigningOptions defaultType(DefaultTypeEnum defaultType) {
+    public SubSigningOptions defaultType(@javax.annotation.Nonnull DefaultTypeEnum defaultType) {
         this.defaultType = defaultType;
         return this;
     }
@@ -129,11 +129,11 @@ public DefaultTypeEnum getDefaultType() {
 
     @JsonProperty(JSON_PROPERTY_DEFAULT_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setDefaultType(DefaultTypeEnum defaultType) {
+    public void setDefaultType(@javax.annotation.Nonnull DefaultTypeEnum defaultType) {
         this.defaultType = defaultType;
     }
 
-    public SubSigningOptions draw(Boolean draw) {
+    public SubSigningOptions draw(@javax.annotation.Nullable Boolean draw) {
         this.draw = draw;
         return this;
     }
@@ -151,11 +151,11 @@ public Boolean getDraw() {
 
     @JsonProperty(JSON_PROPERTY_DRAW)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setDraw(Boolean draw) {
+    public void setDraw(@javax.annotation.Nullable Boolean draw) {
         this.draw = draw;
     }
 
-    public SubSigningOptions phone(Boolean phone) {
+    public SubSigningOptions phone(@javax.annotation.Nullable Boolean phone) {
         this.phone = phone;
         return this;
     }
@@ -173,11 +173,11 @@ public Boolean getPhone() {
 
     @JsonProperty(JSON_PROPERTY_PHONE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPhone(Boolean phone) {
+    public void setPhone(@javax.annotation.Nullable Boolean phone) {
         this.phone = phone;
     }
 
-    public SubSigningOptions type(Boolean type) {
+    public SubSigningOptions type(@javax.annotation.Nullable Boolean type) {
         this.type = type;
         return this;
     }
@@ -195,11 +195,11 @@ public Boolean getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setType(Boolean type) {
+    public void setType(@javax.annotation.Nullable Boolean type) {
         this.type = type;
     }
 
-    public SubSigningOptions upload(Boolean upload) {
+    public SubSigningOptions upload(@javax.annotation.Nullable Boolean upload) {
         this.upload = upload;
         return this;
     }
@@ -217,7 +217,7 @@ public Boolean getUpload() {
 
     @JsonProperty(JSON_PROPERTY_UPLOAD)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setUpload(Boolean upload) {
+    public void setUpload(@javax.annotation.Nullable Boolean upload) {
         this.upload = upload;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubTeamResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubTeamResponse.java
index 359c32a6c..34ff420c4 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubTeamResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubTeamResponse.java
@@ -27,14 +27,14 @@
 @JsonPropertyOrder({SubTeamResponse.JSON_PROPERTY_TEAM_ID, SubTeamResponse.JSON_PROPERTY_NAME})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubTeamResponse {
     public static final String JSON_PROPERTY_TEAM_ID = "team_id";
-    private String teamId;
+    @javax.annotation.Nullable private String teamId;
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public SubTeamResponse() {}
 
@@ -52,7 +52,7 @@ public static SubTeamResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), SubTeamResponse.class);
     }
 
-    public SubTeamResponse teamId(String teamId) {
+    public SubTeamResponse teamId(@javax.annotation.Nullable String teamId) {
         this.teamId = teamId;
         return this;
     }
@@ -70,11 +70,11 @@ public String getTeamId() {
 
     @JsonProperty(JSON_PROPERTY_TEAM_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTeamId(String teamId) {
+    public void setTeamId(@javax.annotation.Nullable String teamId) {
         this.teamId = teamId;
     }
 
-    public SubTeamResponse name(String name) {
+    public SubTeamResponse name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -92,7 +92,7 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubTemplateRole.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubTemplateRole.java
index 78413aade..d1d482e85 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubTemplateRole.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubTemplateRole.java
@@ -27,14 +27,14 @@
 @JsonPropertyOrder({SubTemplateRole.JSON_PROPERTY_NAME, SubTemplateRole.JSON_PROPERTY_ORDER})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubTemplateRole {
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public static final String JSON_PROPERTY_ORDER = "order";
-    private Integer order;
+    @javax.annotation.Nullable private Integer order;
 
     public SubTemplateRole() {}
 
@@ -52,7 +52,7 @@ public static SubTemplateRole init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), SubTemplateRole.class);
     }
 
-    public SubTemplateRole name(String name) {
+    public SubTemplateRole name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -71,11 +71,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
-    public SubTemplateRole order(Integer order) {
+    public SubTemplateRole order(@javax.annotation.Nullable Integer order) {
         this.order = order;
         return this;
     }
@@ -93,7 +93,7 @@ public Integer getOrder() {
 
     @JsonProperty(JSON_PROPERTY_ORDER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOrder(Integer order) {
+    public void setOrder(@javax.annotation.Nullable Integer order) {
         this.order = order;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubUnclaimedDraftSigner.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubUnclaimedDraftSigner.java
index 0118049aa..e7761bd14 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubUnclaimedDraftSigner.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubUnclaimedDraftSigner.java
@@ -31,17 +31,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubUnclaimedDraftSigner {
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nonnull private String emailAddress;
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nonnull private String name;
 
     public static final String JSON_PROPERTY_ORDER = "order";
-    private Integer order;
+    @javax.annotation.Nullable private Integer order;
 
     public SubUnclaimedDraftSigner() {}
 
@@ -60,7 +60,7 @@ public static SubUnclaimedDraftSigner init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), SubUnclaimedDraftSigner.class);
     }
 
-    public SubUnclaimedDraftSigner emailAddress(String emailAddress) {
+    public SubUnclaimedDraftSigner emailAddress(@javax.annotation.Nonnull String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -79,11 +79,11 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nonnull String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
-    public SubUnclaimedDraftSigner name(String name) {
+    public SubUnclaimedDraftSigner name(@javax.annotation.Nonnull String name) {
         this.name = name;
         return this;
     }
@@ -102,11 +102,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nonnull String name) {
         this.name = name;
     }
 
-    public SubUnclaimedDraftSigner order(Integer order) {
+    public SubUnclaimedDraftSigner order(@javax.annotation.Nullable Integer order) {
         this.order = order;
         return this;
     }
@@ -124,7 +124,7 @@ public Integer getOrder() {
 
     @JsonProperty(JSON_PROPERTY_ORDER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOrder(Integer order) {
+    public void setOrder(@javax.annotation.Nullable Integer order) {
         this.order = order;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubUnclaimedDraftTemplateSigner.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubUnclaimedDraftTemplateSigner.java
index 58128a75e..337c82ff8 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubUnclaimedDraftTemplateSigner.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubUnclaimedDraftTemplateSigner.java
@@ -31,17 +31,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubUnclaimedDraftTemplateSigner {
     public static final String JSON_PROPERTY_ROLE = "role";
-    private String role;
+    @javax.annotation.Nonnull private String role;
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nonnull private String name;
 
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nonnull private String emailAddress;
 
     public SubUnclaimedDraftTemplateSigner() {}
 
@@ -61,7 +61,7 @@ public static SubUnclaimedDraftTemplateSigner init(HashMap data) throws Exceptio
                         SubUnclaimedDraftTemplateSigner.class);
     }
 
-    public SubUnclaimedDraftTemplateSigner role(String role) {
+    public SubUnclaimedDraftTemplateSigner role(@javax.annotation.Nonnull String role) {
         this.role = role;
         return this;
     }
@@ -80,11 +80,11 @@ public String getRole() {
 
     @JsonProperty(JSON_PROPERTY_ROLE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setRole(String role) {
+    public void setRole(@javax.annotation.Nonnull String role) {
         this.role = role;
     }
 
-    public SubUnclaimedDraftTemplateSigner name(String name) {
+    public SubUnclaimedDraftTemplateSigner name(@javax.annotation.Nonnull String name) {
         this.name = name;
         return this;
     }
@@ -103,11 +103,12 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nonnull String name) {
         this.name = name;
     }
 
-    public SubUnclaimedDraftTemplateSigner emailAddress(String emailAddress) {
+    public SubUnclaimedDraftTemplateSigner emailAddress(
+            @javax.annotation.Nonnull String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -126,7 +127,7 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nonnull String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubWhiteLabelingOptions.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubWhiteLabelingOptions.java
index 2737e1b6d..aaa5e980f 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubWhiteLabelingOptions.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/SubWhiteLabelingOptions.java
@@ -49,17 +49,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SubWhiteLabelingOptions {
     public static final String JSON_PROPERTY_HEADER_BACKGROUND_COLOR = "header_background_color";
-    private String headerBackgroundColor = "#1a1a1a";
+    @javax.annotation.Nullable private String headerBackgroundColor = "#1a1a1a";
 
     /** Gets or Sets legalVersion */
     public enum LegalVersionEnum {
-        TERMS1("terms1"),
+        TERMS1(String.valueOf("terms1")),
 
-        TERMS2("terms2");
+        TERMS2(String.valueOf("terms2"));
 
         private String value;
 
@@ -89,52 +89,52 @@ public static LegalVersionEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_LEGAL_VERSION = "legal_version";
-    private LegalVersionEnum legalVersion = LegalVersionEnum.TERMS1;
+    @javax.annotation.Nullable private LegalVersionEnum legalVersion = LegalVersionEnum.TERMS1;
 
     public static final String JSON_PROPERTY_LINK_COLOR = "link_color";
-    private String linkColor = "#0061FE";
+    @javax.annotation.Nullable private String linkColor = "#0061FE";
 
     public static final String JSON_PROPERTY_PAGE_BACKGROUND_COLOR = "page_background_color";
-    private String pageBackgroundColor = "#f7f8f9";
+    @javax.annotation.Nullable private String pageBackgroundColor = "#f7f8f9";
 
     public static final String JSON_PROPERTY_PRIMARY_BUTTON_COLOR = "primary_button_color";
-    private String primaryButtonColor = "#0061FE";
+    @javax.annotation.Nullable private String primaryButtonColor = "#0061FE";
 
     public static final String JSON_PROPERTY_PRIMARY_BUTTON_COLOR_HOVER =
             "primary_button_color_hover";
-    private String primaryButtonColorHover = "#0061FE";
+    @javax.annotation.Nullable private String primaryButtonColorHover = "#0061FE";
 
     public static final String JSON_PROPERTY_PRIMARY_BUTTON_TEXT_COLOR =
             "primary_button_text_color";
-    private String primaryButtonTextColor = "#ffffff";
+    @javax.annotation.Nullable private String primaryButtonTextColor = "#ffffff";
 
     public static final String JSON_PROPERTY_PRIMARY_BUTTON_TEXT_COLOR_HOVER =
             "primary_button_text_color_hover";
-    private String primaryButtonTextColorHover = "#ffffff";
+    @javax.annotation.Nullable private String primaryButtonTextColorHover = "#ffffff";
 
     public static final String JSON_PROPERTY_SECONDARY_BUTTON_COLOR = "secondary_button_color";
-    private String secondaryButtonColor = "#ffffff";
+    @javax.annotation.Nullable private String secondaryButtonColor = "#ffffff";
 
     public static final String JSON_PROPERTY_SECONDARY_BUTTON_COLOR_HOVER =
             "secondary_button_color_hover";
-    private String secondaryButtonColorHover = "#ffffff";
+    @javax.annotation.Nullable private String secondaryButtonColorHover = "#ffffff";
 
     public static final String JSON_PROPERTY_SECONDARY_BUTTON_TEXT_COLOR =
             "secondary_button_text_color";
-    private String secondaryButtonTextColor = "#0061FE";
+    @javax.annotation.Nullable private String secondaryButtonTextColor = "#0061FE";
 
     public static final String JSON_PROPERTY_SECONDARY_BUTTON_TEXT_COLOR_HOVER =
             "secondary_button_text_color_hover";
-    private String secondaryButtonTextColorHover = "#0061FE";
+    @javax.annotation.Nullable private String secondaryButtonTextColorHover = "#0061FE";
 
     public static final String JSON_PROPERTY_TEXT_COLOR1 = "text_color1";
-    private String textColor1 = "#808080";
+    @javax.annotation.Nullable private String textColor1 = "#808080";
 
     public static final String JSON_PROPERTY_TEXT_COLOR2 = "text_color2";
-    private String textColor2 = "#ffffff";
+    @javax.annotation.Nullable private String textColor2 = "#ffffff";
 
     public static final String JSON_PROPERTY_RESET_TO_DEFAULT = "reset_to_default";
-    private Boolean resetToDefault;
+    @javax.annotation.Nullable private Boolean resetToDefault;
 
     public SubWhiteLabelingOptions() {}
 
@@ -153,7 +153,8 @@ public static SubWhiteLabelingOptions init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), SubWhiteLabelingOptions.class);
     }
 
-    public SubWhiteLabelingOptions headerBackgroundColor(String headerBackgroundColor) {
+    public SubWhiteLabelingOptions headerBackgroundColor(
+            @javax.annotation.Nullable String headerBackgroundColor) {
         this.headerBackgroundColor = headerBackgroundColor;
         return this;
     }
@@ -171,11 +172,12 @@ public String getHeaderBackgroundColor() {
 
     @JsonProperty(JSON_PROPERTY_HEADER_BACKGROUND_COLOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHeaderBackgroundColor(String headerBackgroundColor) {
+    public void setHeaderBackgroundColor(@javax.annotation.Nullable String headerBackgroundColor) {
         this.headerBackgroundColor = headerBackgroundColor;
     }
 
-    public SubWhiteLabelingOptions legalVersion(LegalVersionEnum legalVersion) {
+    public SubWhiteLabelingOptions legalVersion(
+            @javax.annotation.Nullable LegalVersionEnum legalVersion) {
         this.legalVersion = legalVersion;
         return this;
     }
@@ -193,11 +195,11 @@ public LegalVersionEnum getLegalVersion() {
 
     @JsonProperty(JSON_PROPERTY_LEGAL_VERSION)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setLegalVersion(LegalVersionEnum legalVersion) {
+    public void setLegalVersion(@javax.annotation.Nullable LegalVersionEnum legalVersion) {
         this.legalVersion = legalVersion;
     }
 
-    public SubWhiteLabelingOptions linkColor(String linkColor) {
+    public SubWhiteLabelingOptions linkColor(@javax.annotation.Nullable String linkColor) {
         this.linkColor = linkColor;
         return this;
     }
@@ -215,11 +217,12 @@ public String getLinkColor() {
 
     @JsonProperty(JSON_PROPERTY_LINK_COLOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setLinkColor(String linkColor) {
+    public void setLinkColor(@javax.annotation.Nullable String linkColor) {
         this.linkColor = linkColor;
     }
 
-    public SubWhiteLabelingOptions pageBackgroundColor(String pageBackgroundColor) {
+    public SubWhiteLabelingOptions pageBackgroundColor(
+            @javax.annotation.Nullable String pageBackgroundColor) {
         this.pageBackgroundColor = pageBackgroundColor;
         return this;
     }
@@ -237,11 +240,12 @@ public String getPageBackgroundColor() {
 
     @JsonProperty(JSON_PROPERTY_PAGE_BACKGROUND_COLOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPageBackgroundColor(String pageBackgroundColor) {
+    public void setPageBackgroundColor(@javax.annotation.Nullable String pageBackgroundColor) {
         this.pageBackgroundColor = pageBackgroundColor;
     }
 
-    public SubWhiteLabelingOptions primaryButtonColor(String primaryButtonColor) {
+    public SubWhiteLabelingOptions primaryButtonColor(
+            @javax.annotation.Nullable String primaryButtonColor) {
         this.primaryButtonColor = primaryButtonColor;
         return this;
     }
@@ -259,11 +263,12 @@ public String getPrimaryButtonColor() {
 
     @JsonProperty(JSON_PROPERTY_PRIMARY_BUTTON_COLOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPrimaryButtonColor(String primaryButtonColor) {
+    public void setPrimaryButtonColor(@javax.annotation.Nullable String primaryButtonColor) {
         this.primaryButtonColor = primaryButtonColor;
     }
 
-    public SubWhiteLabelingOptions primaryButtonColorHover(String primaryButtonColorHover) {
+    public SubWhiteLabelingOptions primaryButtonColorHover(
+            @javax.annotation.Nullable String primaryButtonColorHover) {
         this.primaryButtonColorHover = primaryButtonColorHover;
         return this;
     }
@@ -281,11 +286,13 @@ public String getPrimaryButtonColorHover() {
 
     @JsonProperty(JSON_PROPERTY_PRIMARY_BUTTON_COLOR_HOVER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPrimaryButtonColorHover(String primaryButtonColorHover) {
+    public void setPrimaryButtonColorHover(
+            @javax.annotation.Nullable String primaryButtonColorHover) {
         this.primaryButtonColorHover = primaryButtonColorHover;
     }
 
-    public SubWhiteLabelingOptions primaryButtonTextColor(String primaryButtonTextColor) {
+    public SubWhiteLabelingOptions primaryButtonTextColor(
+            @javax.annotation.Nullable String primaryButtonTextColor) {
         this.primaryButtonTextColor = primaryButtonTextColor;
         return this;
     }
@@ -303,11 +310,13 @@ public String getPrimaryButtonTextColor() {
 
     @JsonProperty(JSON_PROPERTY_PRIMARY_BUTTON_TEXT_COLOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPrimaryButtonTextColor(String primaryButtonTextColor) {
+    public void setPrimaryButtonTextColor(
+            @javax.annotation.Nullable String primaryButtonTextColor) {
         this.primaryButtonTextColor = primaryButtonTextColor;
     }
 
-    public SubWhiteLabelingOptions primaryButtonTextColorHover(String primaryButtonTextColorHover) {
+    public SubWhiteLabelingOptions primaryButtonTextColorHover(
+            @javax.annotation.Nullable String primaryButtonTextColorHover) {
         this.primaryButtonTextColorHover = primaryButtonTextColorHover;
         return this;
     }
@@ -325,11 +334,13 @@ public String getPrimaryButtonTextColorHover() {
 
     @JsonProperty(JSON_PROPERTY_PRIMARY_BUTTON_TEXT_COLOR_HOVER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPrimaryButtonTextColorHover(String primaryButtonTextColorHover) {
+    public void setPrimaryButtonTextColorHover(
+            @javax.annotation.Nullable String primaryButtonTextColorHover) {
         this.primaryButtonTextColorHover = primaryButtonTextColorHover;
     }
 
-    public SubWhiteLabelingOptions secondaryButtonColor(String secondaryButtonColor) {
+    public SubWhiteLabelingOptions secondaryButtonColor(
+            @javax.annotation.Nullable String secondaryButtonColor) {
         this.secondaryButtonColor = secondaryButtonColor;
         return this;
     }
@@ -347,11 +358,12 @@ public String getSecondaryButtonColor() {
 
     @JsonProperty(JSON_PROPERTY_SECONDARY_BUTTON_COLOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSecondaryButtonColor(String secondaryButtonColor) {
+    public void setSecondaryButtonColor(@javax.annotation.Nullable String secondaryButtonColor) {
         this.secondaryButtonColor = secondaryButtonColor;
     }
 
-    public SubWhiteLabelingOptions secondaryButtonColorHover(String secondaryButtonColorHover) {
+    public SubWhiteLabelingOptions secondaryButtonColorHover(
+            @javax.annotation.Nullable String secondaryButtonColorHover) {
         this.secondaryButtonColorHover = secondaryButtonColorHover;
         return this;
     }
@@ -369,11 +381,13 @@ public String getSecondaryButtonColorHover() {
 
     @JsonProperty(JSON_PROPERTY_SECONDARY_BUTTON_COLOR_HOVER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSecondaryButtonColorHover(String secondaryButtonColorHover) {
+    public void setSecondaryButtonColorHover(
+            @javax.annotation.Nullable String secondaryButtonColorHover) {
         this.secondaryButtonColorHover = secondaryButtonColorHover;
     }
 
-    public SubWhiteLabelingOptions secondaryButtonTextColor(String secondaryButtonTextColor) {
+    public SubWhiteLabelingOptions secondaryButtonTextColor(
+            @javax.annotation.Nullable String secondaryButtonTextColor) {
         this.secondaryButtonTextColor = secondaryButtonTextColor;
         return this;
     }
@@ -391,12 +405,13 @@ public String getSecondaryButtonTextColor() {
 
     @JsonProperty(JSON_PROPERTY_SECONDARY_BUTTON_TEXT_COLOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSecondaryButtonTextColor(String secondaryButtonTextColor) {
+    public void setSecondaryButtonTextColor(
+            @javax.annotation.Nullable String secondaryButtonTextColor) {
         this.secondaryButtonTextColor = secondaryButtonTextColor;
     }
 
     public SubWhiteLabelingOptions secondaryButtonTextColorHover(
-            String secondaryButtonTextColorHover) {
+            @javax.annotation.Nullable String secondaryButtonTextColorHover) {
         this.secondaryButtonTextColorHover = secondaryButtonTextColorHover;
         return this;
     }
@@ -414,11 +429,12 @@ public String getSecondaryButtonTextColorHover() {
 
     @JsonProperty(JSON_PROPERTY_SECONDARY_BUTTON_TEXT_COLOR_HOVER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSecondaryButtonTextColorHover(String secondaryButtonTextColorHover) {
+    public void setSecondaryButtonTextColorHover(
+            @javax.annotation.Nullable String secondaryButtonTextColorHover) {
         this.secondaryButtonTextColorHover = secondaryButtonTextColorHover;
     }
 
-    public SubWhiteLabelingOptions textColor1(String textColor1) {
+    public SubWhiteLabelingOptions textColor1(@javax.annotation.Nullable String textColor1) {
         this.textColor1 = textColor1;
         return this;
     }
@@ -436,11 +452,11 @@ public String getTextColor1() {
 
     @JsonProperty(JSON_PROPERTY_TEXT_COLOR1)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTextColor1(String textColor1) {
+    public void setTextColor1(@javax.annotation.Nullable String textColor1) {
         this.textColor1 = textColor1;
     }
 
-    public SubWhiteLabelingOptions textColor2(String textColor2) {
+    public SubWhiteLabelingOptions textColor2(@javax.annotation.Nullable String textColor2) {
         this.textColor2 = textColor2;
         return this;
     }
@@ -458,11 +474,12 @@ public String getTextColor2() {
 
     @JsonProperty(JSON_PROPERTY_TEXT_COLOR2)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTextColor2(String textColor2) {
+    public void setTextColor2(@javax.annotation.Nullable String textColor2) {
         this.textColor2 = textColor2;
     }
 
-    public SubWhiteLabelingOptions resetToDefault(Boolean resetToDefault) {
+    public SubWhiteLabelingOptions resetToDefault(
+            @javax.annotation.Nullable Boolean resetToDefault) {
         this.resetToDefault = resetToDefault;
         return this;
     }
@@ -480,7 +497,7 @@ public Boolean getResetToDefault() {
 
     @JsonProperty(JSON_PROPERTY_RESET_TO_DEFAULT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setResetToDefault(Boolean resetToDefault) {
+    public void setResetToDefault(@javax.annotation.Nullable Boolean resetToDefault) {
         this.resetToDefault = resetToDefault;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamAddMemberRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamAddMemberRequest.java
index 49beaf28e..0c25c96b8 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamAddMemberRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamAddMemberRequest.java
@@ -33,27 +33,27 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TeamAddMemberRequest {
     public static final String JSON_PROPERTY_ACCOUNT_ID = "account_id";
-    private String accountId;
+    @javax.annotation.Nullable private String accountId;
 
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nullable private String emailAddress;
 
     /**
      * A role member will take in a new Team. **NOTE:** This parameter is used only if
      * &#x60;team_id&#x60; is provided.
      */
     public enum RoleEnum {
-        MEMBER("Member"),
+        MEMBER(String.valueOf("Member")),
 
-        DEVELOPER("Developer"),
+        DEVELOPER(String.valueOf("Developer")),
 
-        TEAM_MANAGER("Team Manager"),
+        TEAM_MANAGER(String.valueOf("Team Manager")),
 
-        ADMIN("Admin");
+        ADMIN(String.valueOf("Admin"));
 
         private String value;
 
@@ -83,7 +83,7 @@ public static RoleEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_ROLE = "role";
-    private RoleEnum role;
+    @javax.annotation.Nullable private RoleEnum role;
 
     public TeamAddMemberRequest() {}
 
@@ -101,7 +101,7 @@ public static TeamAddMemberRequest init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), TeamAddMemberRequest.class);
     }
 
-    public TeamAddMemberRequest accountId(String accountId) {
+    public TeamAddMemberRequest accountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
         return this;
     }
@@ -120,11 +120,11 @@ public String getAccountId() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccountId(String accountId) {
+    public void setAccountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
     }
 
-    public TeamAddMemberRequest emailAddress(String emailAddress) {
+    public TeamAddMemberRequest emailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -143,11 +143,11 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
-    public TeamAddMemberRequest role(RoleEnum role) {
+    public TeamAddMemberRequest role(@javax.annotation.Nullable RoleEnum role) {
         this.role = role;
         return this;
     }
@@ -166,7 +166,7 @@ public RoleEnum getRole() {
 
     @JsonProperty(JSON_PROPERTY_ROLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRole(RoleEnum role) {
+    public void setRole(@javax.annotation.Nullable RoleEnum role) {
         this.role = role;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamCreateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamCreateRequest.java
index 6724eeaae..2766e1d20 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamCreateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamCreateRequest.java
@@ -27,11 +27,11 @@
 @JsonPropertyOrder({TeamCreateRequest.JSON_PROPERTY_NAME})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TeamCreateRequest {
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name = "Untitled Team";
+    @javax.annotation.Nullable private String name = "Untitled Team";
 
     public TeamCreateRequest() {}
 
@@ -49,7 +49,7 @@ public static TeamCreateRequest init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), TeamCreateRequest.class);
     }
 
-    public TeamCreateRequest name(String name) {
+    public TeamCreateRequest name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -67,7 +67,7 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamGetInfoResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamGetInfoResponse.java
index fbb889e11..b26c99715 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamGetInfoResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamGetInfoResponse.java
@@ -32,14 +32,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TeamGetInfoResponse {
     public static final String JSON_PROPERTY_TEAM = "team";
-    private TeamInfoResponse team;
+    @javax.annotation.Nonnull private TeamInfoResponse team;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public TeamGetInfoResponse() {}
 
@@ -57,7 +57,7 @@ public static TeamGetInfoResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), TeamGetInfoResponse.class);
     }
 
-    public TeamGetInfoResponse team(TeamInfoResponse team) {
+    public TeamGetInfoResponse team(@javax.annotation.Nonnull TeamInfoResponse team) {
         this.team = team;
         return this;
     }
@@ -76,11 +76,11 @@ public TeamInfoResponse getTeam() {
 
     @JsonProperty(JSON_PROPERTY_TEAM)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTeam(TeamInfoResponse team) {
+    public void setTeam(@javax.annotation.Nonnull TeamInfoResponse team) {
         this.team = team;
     }
 
-    public TeamGetInfoResponse warnings(List<WarningResponse> warnings) {
+    public TeamGetInfoResponse warnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -106,7 +106,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamGetResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamGetResponse.java
index c7be1f6ee..2bee16d9e 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamGetResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamGetResponse.java
@@ -29,14 +29,14 @@
 @JsonPropertyOrder({TeamGetResponse.JSON_PROPERTY_TEAM, TeamGetResponse.JSON_PROPERTY_WARNINGS})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TeamGetResponse {
     public static final String JSON_PROPERTY_TEAM = "team";
-    private TeamResponse team;
+    @javax.annotation.Nonnull private TeamResponse team;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public TeamGetResponse() {}
 
@@ -54,7 +54,7 @@ public static TeamGetResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), TeamGetResponse.class);
     }
 
-    public TeamGetResponse team(TeamResponse team) {
+    public TeamGetResponse team(@javax.annotation.Nonnull TeamResponse team) {
         this.team = team;
         return this;
     }
@@ -73,11 +73,11 @@ public TeamResponse getTeam() {
 
     @JsonProperty(JSON_PROPERTY_TEAM)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTeam(TeamResponse team) {
+    public void setTeam(@javax.annotation.Nonnull TeamResponse team) {
         this.team = team;
     }
 
-    public TeamGetResponse warnings(List<WarningResponse> warnings) {
+    public TeamGetResponse warnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -103,7 +103,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamInfoResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamInfoResponse.java
index 7edabf525..09b1f9c66 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamInfoResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamInfoResponse.java
@@ -33,23 +33,23 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TeamInfoResponse {
     public static final String JSON_PROPERTY_TEAM_ID = "team_id";
-    private String teamId;
+    @javax.annotation.Nullable private String teamId;
 
     public static final String JSON_PROPERTY_TEAM_PARENT = "team_parent";
-    private TeamParentResponse teamParent;
+    @javax.annotation.Nullable private TeamParentResponse teamParent;
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public static final String JSON_PROPERTY_NUM_MEMBERS = "num_members";
-    private Integer numMembers;
+    @javax.annotation.Nullable private Integer numMembers;
 
     public static final String JSON_PROPERTY_NUM_SUB_TEAMS = "num_sub_teams";
-    private Integer numSubTeams;
+    @javax.annotation.Nullable private Integer numSubTeams;
 
     public TeamInfoResponse() {}
 
@@ -67,7 +67,7 @@ public static TeamInfoResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), TeamInfoResponse.class);
     }
 
-    public TeamInfoResponse teamId(String teamId) {
+    public TeamInfoResponse teamId(@javax.annotation.Nullable String teamId) {
         this.teamId = teamId;
         return this;
     }
@@ -85,11 +85,11 @@ public String getTeamId() {
 
     @JsonProperty(JSON_PROPERTY_TEAM_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTeamId(String teamId) {
+    public void setTeamId(@javax.annotation.Nullable String teamId) {
         this.teamId = teamId;
     }
 
-    public TeamInfoResponse teamParent(TeamParentResponse teamParent) {
+    public TeamInfoResponse teamParent(@javax.annotation.Nullable TeamParentResponse teamParent) {
         this.teamParent = teamParent;
         return this;
     }
@@ -107,11 +107,11 @@ public TeamParentResponse getTeamParent() {
 
     @JsonProperty(JSON_PROPERTY_TEAM_PARENT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTeamParent(TeamParentResponse teamParent) {
+    public void setTeamParent(@javax.annotation.Nullable TeamParentResponse teamParent) {
         this.teamParent = teamParent;
     }
 
-    public TeamInfoResponse name(String name) {
+    public TeamInfoResponse name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -129,11 +129,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
-    public TeamInfoResponse numMembers(Integer numMembers) {
+    public TeamInfoResponse numMembers(@javax.annotation.Nullable Integer numMembers) {
         this.numMembers = numMembers;
         return this;
     }
@@ -151,11 +151,11 @@ public Integer getNumMembers() {
 
     @JsonProperty(JSON_PROPERTY_NUM_MEMBERS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setNumMembers(Integer numMembers) {
+    public void setNumMembers(@javax.annotation.Nullable Integer numMembers) {
         this.numMembers = numMembers;
     }
 
-    public TeamInfoResponse numSubTeams(Integer numSubTeams) {
+    public TeamInfoResponse numSubTeams(@javax.annotation.Nullable Integer numSubTeams) {
         this.numSubTeams = numSubTeams;
         return this;
     }
@@ -173,7 +173,7 @@ public Integer getNumSubTeams() {
 
     @JsonProperty(JSON_PROPERTY_NUM_SUB_TEAMS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setNumSubTeams(Integer numSubTeams) {
+    public void setNumSubTeams(@javax.annotation.Nullable Integer numSubTeams) {
         this.numSubTeams = numSubTeams;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamInviteResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamInviteResponse.java
index 2d49161bf..05bcf91b5 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamInviteResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamInviteResponse.java
@@ -34,26 +34,26 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TeamInviteResponse {
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nullable private String emailAddress;
 
     public static final String JSON_PROPERTY_TEAM_ID = "team_id";
-    private String teamId;
+    @javax.annotation.Nullable private String teamId;
 
     public static final String JSON_PROPERTY_ROLE = "role";
-    private String role;
+    @javax.annotation.Nullable private String role;
 
     public static final String JSON_PROPERTY_SENT_AT = "sent_at";
-    private Integer sentAt;
+    @javax.annotation.Nullable private Integer sentAt;
 
     public static final String JSON_PROPERTY_REDEEMED_AT = "redeemed_at";
-    private Integer redeemedAt;
+    @javax.annotation.Nullable private Integer redeemedAt;
 
     public static final String JSON_PROPERTY_EXPIRES_AT = "expires_at";
-    private Integer expiresAt;
+    @javax.annotation.Nullable private Integer expiresAt;
 
     public TeamInviteResponse() {}
 
@@ -71,7 +71,7 @@ public static TeamInviteResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), TeamInviteResponse.class);
     }
 
-    public TeamInviteResponse emailAddress(String emailAddress) {
+    public TeamInviteResponse emailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -89,11 +89,11 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
-    public TeamInviteResponse teamId(String teamId) {
+    public TeamInviteResponse teamId(@javax.annotation.Nullable String teamId) {
         this.teamId = teamId;
         return this;
     }
@@ -111,11 +111,11 @@ public String getTeamId() {
 
     @JsonProperty(JSON_PROPERTY_TEAM_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTeamId(String teamId) {
+    public void setTeamId(@javax.annotation.Nullable String teamId) {
         this.teamId = teamId;
     }
 
-    public TeamInviteResponse role(String role) {
+    public TeamInviteResponse role(@javax.annotation.Nullable String role) {
         this.role = role;
         return this;
     }
@@ -133,11 +133,11 @@ public String getRole() {
 
     @JsonProperty(JSON_PROPERTY_ROLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRole(String role) {
+    public void setRole(@javax.annotation.Nullable String role) {
         this.role = role;
     }
 
-    public TeamInviteResponse sentAt(Integer sentAt) {
+    public TeamInviteResponse sentAt(@javax.annotation.Nullable Integer sentAt) {
         this.sentAt = sentAt;
         return this;
     }
@@ -155,11 +155,11 @@ public Integer getSentAt() {
 
     @JsonProperty(JSON_PROPERTY_SENT_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSentAt(Integer sentAt) {
+    public void setSentAt(@javax.annotation.Nullable Integer sentAt) {
         this.sentAt = sentAt;
     }
 
-    public TeamInviteResponse redeemedAt(Integer redeemedAt) {
+    public TeamInviteResponse redeemedAt(@javax.annotation.Nullable Integer redeemedAt) {
         this.redeemedAt = redeemedAt;
         return this;
     }
@@ -177,11 +177,11 @@ public Integer getRedeemedAt() {
 
     @JsonProperty(JSON_PROPERTY_REDEEMED_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRedeemedAt(Integer redeemedAt) {
+    public void setRedeemedAt(@javax.annotation.Nullable Integer redeemedAt) {
         this.redeemedAt = redeemedAt;
     }
 
-    public TeamInviteResponse expiresAt(Integer expiresAt) {
+    public TeamInviteResponse expiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
         return this;
     }
@@ -199,7 +199,7 @@ public Integer getExpiresAt() {
 
     @JsonProperty(JSON_PROPERTY_EXPIRES_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setExpiresAt(Integer expiresAt) {
+    public void setExpiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamInvitesResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamInvitesResponse.java
index 0e13d74c2..0fee37e1f 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamInvitesResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamInvitesResponse.java
@@ -32,14 +32,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TeamInvitesResponse {
     public static final String JSON_PROPERTY_TEAM_INVITES = "team_invites";
-    private List<TeamInviteResponse> teamInvites = new ArrayList<>();
+    @javax.annotation.Nonnull private List<TeamInviteResponse> teamInvites = new ArrayList<>();
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public TeamInvitesResponse() {}
 
@@ -57,7 +57,8 @@ public static TeamInvitesResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), TeamInvitesResponse.class);
     }
 
-    public TeamInvitesResponse teamInvites(List<TeamInviteResponse> teamInvites) {
+    public TeamInvitesResponse teamInvites(
+            @javax.annotation.Nonnull List<TeamInviteResponse> teamInvites) {
         this.teamInvites = teamInvites;
         return this;
     }
@@ -84,11 +85,11 @@ public List<TeamInviteResponse> getTeamInvites() {
 
     @JsonProperty(JSON_PROPERTY_TEAM_INVITES)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTeamInvites(List<TeamInviteResponse> teamInvites) {
+    public void setTeamInvites(@javax.annotation.Nonnull List<TeamInviteResponse> teamInvites) {
         this.teamInvites = teamInvites;
     }
 
-    public TeamInvitesResponse warnings(List<WarningResponse> warnings) {
+    public TeamInvitesResponse warnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -114,7 +115,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamMemberResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamMemberResponse.java
index 1f86e2a5b..ce80c5eb7 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamMemberResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamMemberResponse.java
@@ -31,17 +31,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TeamMemberResponse {
     public static final String JSON_PROPERTY_ACCOUNT_ID = "account_id";
-    private String accountId;
+    @javax.annotation.Nullable private String accountId;
 
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nullable private String emailAddress;
 
     public static final String JSON_PROPERTY_ROLE = "role";
-    private String role;
+    @javax.annotation.Nullable private String role;
 
     public TeamMemberResponse() {}
 
@@ -59,7 +59,7 @@ public static TeamMemberResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), TeamMemberResponse.class);
     }
 
-    public TeamMemberResponse accountId(String accountId) {
+    public TeamMemberResponse accountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
         return this;
     }
@@ -77,11 +77,11 @@ public String getAccountId() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccountId(String accountId) {
+    public void setAccountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
     }
 
-    public TeamMemberResponse emailAddress(String emailAddress) {
+    public TeamMemberResponse emailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -99,11 +99,11 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
-    public TeamMemberResponse role(String role) {
+    public TeamMemberResponse role(@javax.annotation.Nullable String role) {
         this.role = role;
         return this;
     }
@@ -121,7 +121,7 @@ public String getRole() {
 
     @JsonProperty(JSON_PROPERTY_ROLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRole(String role) {
+    public void setRole(@javax.annotation.Nullable String role) {
         this.role = role;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamMembersResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamMembersResponse.java
index 203819cbf..8dd4d104c 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamMembersResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamMembersResponse.java
@@ -33,17 +33,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TeamMembersResponse {
     public static final String JSON_PROPERTY_TEAM_MEMBERS = "team_members";
-    private List<TeamMemberResponse> teamMembers = new ArrayList<>();
+    @javax.annotation.Nonnull private List<TeamMemberResponse> teamMembers = new ArrayList<>();
 
     public static final String JSON_PROPERTY_LIST_INFO = "list_info";
-    private ListInfoResponse listInfo;
+    @javax.annotation.Nonnull private ListInfoResponse listInfo;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public TeamMembersResponse() {}
 
@@ -61,7 +61,8 @@ public static TeamMembersResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), TeamMembersResponse.class);
     }
 
-    public TeamMembersResponse teamMembers(List<TeamMemberResponse> teamMembers) {
+    public TeamMembersResponse teamMembers(
+            @javax.annotation.Nonnull List<TeamMemberResponse> teamMembers) {
         this.teamMembers = teamMembers;
         return this;
     }
@@ -88,11 +89,11 @@ public List<TeamMemberResponse> getTeamMembers() {
 
     @JsonProperty(JSON_PROPERTY_TEAM_MEMBERS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTeamMembers(List<TeamMemberResponse> teamMembers) {
+    public void setTeamMembers(@javax.annotation.Nonnull List<TeamMemberResponse> teamMembers) {
         this.teamMembers = teamMembers;
     }
 
-    public TeamMembersResponse listInfo(ListInfoResponse listInfo) {
+    public TeamMembersResponse listInfo(@javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
         return this;
     }
@@ -111,11 +112,11 @@ public ListInfoResponse getListInfo() {
 
     @JsonProperty(JSON_PROPERTY_LIST_INFO)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setListInfo(ListInfoResponse listInfo) {
+    public void setListInfo(@javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
     }
 
-    public TeamMembersResponse warnings(List<WarningResponse> warnings) {
+    public TeamMembersResponse warnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -141,7 +142,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamParentResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamParentResponse.java
index cb5041a62..9c8125e4b 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamParentResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamParentResponse.java
@@ -30,14 +30,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TeamParentResponse {
     public static final String JSON_PROPERTY_TEAM_ID = "team_id";
-    private String teamId;
+    @javax.annotation.Nullable private String teamId;
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public TeamParentResponse() {}
 
@@ -55,7 +55,7 @@ public static TeamParentResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), TeamParentResponse.class);
     }
 
-    public TeamParentResponse teamId(String teamId) {
+    public TeamParentResponse teamId(@javax.annotation.Nullable String teamId) {
         this.teamId = teamId;
         return this;
     }
@@ -73,11 +73,11 @@ public String getTeamId() {
 
     @JsonProperty(JSON_PROPERTY_TEAM_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTeamId(String teamId) {
+    public void setTeamId(@javax.annotation.Nullable String teamId) {
         this.teamId = teamId;
     }
 
-    public TeamParentResponse name(String name) {
+    public TeamParentResponse name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -95,7 +95,7 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamRemoveMemberRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamRemoveMemberRequest.java
index 1dd8dc7d3..f78b47e7b 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamRemoveMemberRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamRemoveMemberRequest.java
@@ -35,33 +35,33 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TeamRemoveMemberRequest {
     public static final String JSON_PROPERTY_ACCOUNT_ID = "account_id";
-    private String accountId;
+    @javax.annotation.Nullable private String accountId;
 
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nullable private String emailAddress;
 
     public static final String JSON_PROPERTY_NEW_OWNER_EMAIL_ADDRESS = "new_owner_email_address";
-    private String newOwnerEmailAddress;
+    @javax.annotation.Nullable private String newOwnerEmailAddress;
 
     public static final String JSON_PROPERTY_NEW_TEAM_ID = "new_team_id";
-    private String newTeamId;
+    @javax.annotation.Nullable private String newTeamId;
 
     /**
      * A new role member will take in a new Team. **NOTE:** This parameter is used only if
      * &#x60;new_team_id&#x60; is provided.
      */
     public enum NewRoleEnum {
-        MEMBER("Member"),
+        MEMBER(String.valueOf("Member")),
 
-        DEVELOPER("Developer"),
+        DEVELOPER(String.valueOf("Developer")),
 
-        TEAM_MANAGER("Team Manager"),
+        TEAM_MANAGER(String.valueOf("Team Manager")),
 
-        ADMIN("Admin");
+        ADMIN(String.valueOf("Admin"));
 
         private String value;
 
@@ -91,7 +91,7 @@ public static NewRoleEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_NEW_ROLE = "new_role";
-    private NewRoleEnum newRole;
+    @javax.annotation.Nullable private NewRoleEnum newRole;
 
     public TeamRemoveMemberRequest() {}
 
@@ -110,7 +110,7 @@ public static TeamRemoveMemberRequest init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), TeamRemoveMemberRequest.class);
     }
 
-    public TeamRemoveMemberRequest accountId(String accountId) {
+    public TeamRemoveMemberRequest accountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
         return this;
     }
@@ -129,11 +129,11 @@ public String getAccountId() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccountId(String accountId) {
+    public void setAccountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
     }
 
-    public TeamRemoveMemberRequest emailAddress(String emailAddress) {
+    public TeamRemoveMemberRequest emailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -152,11 +152,12 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
-    public TeamRemoveMemberRequest newOwnerEmailAddress(String newOwnerEmailAddress) {
+    public TeamRemoveMemberRequest newOwnerEmailAddress(
+            @javax.annotation.Nullable String newOwnerEmailAddress) {
         this.newOwnerEmailAddress = newOwnerEmailAddress;
         return this;
     }
@@ -177,11 +178,11 @@ public String getNewOwnerEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_NEW_OWNER_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setNewOwnerEmailAddress(String newOwnerEmailAddress) {
+    public void setNewOwnerEmailAddress(@javax.annotation.Nullable String newOwnerEmailAddress) {
         this.newOwnerEmailAddress = newOwnerEmailAddress;
     }
 
-    public TeamRemoveMemberRequest newTeamId(String newTeamId) {
+    public TeamRemoveMemberRequest newTeamId(@javax.annotation.Nullable String newTeamId) {
         this.newTeamId = newTeamId;
         return this;
     }
@@ -199,11 +200,11 @@ public String getNewTeamId() {
 
     @JsonProperty(JSON_PROPERTY_NEW_TEAM_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setNewTeamId(String newTeamId) {
+    public void setNewTeamId(@javax.annotation.Nullable String newTeamId) {
         this.newTeamId = newTeamId;
     }
 
-    public TeamRemoveMemberRequest newRole(NewRoleEnum newRole) {
+    public TeamRemoveMemberRequest newRole(@javax.annotation.Nullable NewRoleEnum newRole) {
         this.newRole = newRole;
         return this;
     }
@@ -222,7 +223,7 @@ public NewRoleEnum getNewRole() {
 
     @JsonProperty(JSON_PROPERTY_NEW_ROLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setNewRole(NewRoleEnum newRole) {
+    public void setNewRole(@javax.annotation.Nullable NewRoleEnum newRole) {
         this.newRole = newRole;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamResponse.java
index 2abc906c6..6fcc0fd87 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamResponse.java
@@ -34,20 +34,20 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TeamResponse {
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public static final String JSON_PROPERTY_ACCOUNTS = "accounts";
-    private List<AccountResponse> accounts = null;
+    @javax.annotation.Nullable private List<AccountResponse> accounts = null;
 
     public static final String JSON_PROPERTY_INVITED_ACCOUNTS = "invited_accounts";
-    private List<AccountResponse> invitedAccounts = null;
+    @javax.annotation.Nullable private List<AccountResponse> invitedAccounts = null;
 
     public static final String JSON_PROPERTY_INVITED_EMAILS = "invited_emails";
-    private List<String> invitedEmails = null;
+    @javax.annotation.Nullable private List<String> invitedEmails = null;
 
     public TeamResponse() {}
 
@@ -65,7 +65,7 @@ public static TeamResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), TeamResponse.class);
     }
 
-    public TeamResponse name(String name) {
+    public TeamResponse name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -83,11 +83,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
-    public TeamResponse accounts(List<AccountResponse> accounts) {
+    public TeamResponse accounts(@javax.annotation.Nullable List<AccountResponse> accounts) {
         this.accounts = accounts;
         return this;
     }
@@ -113,11 +113,12 @@ public List<AccountResponse> getAccounts() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccounts(List<AccountResponse> accounts) {
+    public void setAccounts(@javax.annotation.Nullable List<AccountResponse> accounts) {
         this.accounts = accounts;
     }
 
-    public TeamResponse invitedAccounts(List<AccountResponse> invitedAccounts) {
+    public TeamResponse invitedAccounts(
+            @javax.annotation.Nullable List<AccountResponse> invitedAccounts) {
         this.invitedAccounts = invitedAccounts;
         return this;
     }
@@ -144,11 +145,12 @@ public List<AccountResponse> getInvitedAccounts() {
 
     @JsonProperty(JSON_PROPERTY_INVITED_ACCOUNTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setInvitedAccounts(List<AccountResponse> invitedAccounts) {
+    public void setInvitedAccounts(
+            @javax.annotation.Nullable List<AccountResponse> invitedAccounts) {
         this.invitedAccounts = invitedAccounts;
     }
 
-    public TeamResponse invitedEmails(List<String> invitedEmails) {
+    public TeamResponse invitedEmails(@javax.annotation.Nullable List<String> invitedEmails) {
         this.invitedEmails = invitedEmails;
         return this;
     }
@@ -175,7 +177,7 @@ public List<String> getInvitedEmails() {
 
     @JsonProperty(JSON_PROPERTY_INVITED_EMAILS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setInvitedEmails(List<String> invitedEmails) {
+    public void setInvitedEmails(@javax.annotation.Nullable List<String> invitedEmails) {
         this.invitedEmails = invitedEmails;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamSubTeamsResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamSubTeamsResponse.java
index 5ccab5b01..c0570de58 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamSubTeamsResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamSubTeamsResponse.java
@@ -33,17 +33,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TeamSubTeamsResponse {
     public static final String JSON_PROPERTY_SUB_TEAMS = "sub_teams";
-    private List<SubTeamResponse> subTeams = new ArrayList<>();
+    @javax.annotation.Nonnull private List<SubTeamResponse> subTeams = new ArrayList<>();
 
     public static final String JSON_PROPERTY_LIST_INFO = "list_info";
-    private ListInfoResponse listInfo;
+    @javax.annotation.Nonnull private ListInfoResponse listInfo;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public TeamSubTeamsResponse() {}
 
@@ -61,7 +61,7 @@ public static TeamSubTeamsResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), TeamSubTeamsResponse.class);
     }
 
-    public TeamSubTeamsResponse subTeams(List<SubTeamResponse> subTeams) {
+    public TeamSubTeamsResponse subTeams(@javax.annotation.Nonnull List<SubTeamResponse> subTeams) {
         this.subTeams = subTeams;
         return this;
     }
@@ -88,11 +88,11 @@ public List<SubTeamResponse> getSubTeams() {
 
     @JsonProperty(JSON_PROPERTY_SUB_TEAMS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setSubTeams(List<SubTeamResponse> subTeams) {
+    public void setSubTeams(@javax.annotation.Nonnull List<SubTeamResponse> subTeams) {
         this.subTeams = subTeams;
     }
 
-    public TeamSubTeamsResponse listInfo(ListInfoResponse listInfo) {
+    public TeamSubTeamsResponse listInfo(@javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
         return this;
     }
@@ -111,11 +111,12 @@ public ListInfoResponse getListInfo() {
 
     @JsonProperty(JSON_PROPERTY_LIST_INFO)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setListInfo(ListInfoResponse listInfo) {
+    public void setListInfo(@javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
     }
 
-    public TeamSubTeamsResponse warnings(List<WarningResponse> warnings) {
+    public TeamSubTeamsResponse warnings(
+            @javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -141,7 +142,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamUpdateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamUpdateRequest.java
index c6a8f944a..91242a042 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamUpdateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TeamUpdateRequest.java
@@ -27,11 +27,11 @@
 @JsonPropertyOrder({TeamUpdateRequest.JSON_PROPERTY_NAME})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TeamUpdateRequest {
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public TeamUpdateRequest() {}
 
@@ -49,7 +49,7 @@ public static TeamUpdateRequest init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), TeamUpdateRequest.class);
     }
 
-    public TeamUpdateRequest name(String name) {
+    public TeamUpdateRequest name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -67,7 +67,7 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateAddUserRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateAddUserRequest.java
index c52f0700f..ea66fbbd0 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateAddUserRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateAddUserRequest.java
@@ -31,17 +31,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateAddUserRequest {
     public static final String JSON_PROPERTY_ACCOUNT_ID = "account_id";
-    private String accountId;
+    @javax.annotation.Nullable private String accountId;
 
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nullable private String emailAddress;
 
     public static final String JSON_PROPERTY_SKIP_NOTIFICATION = "skip_notification";
-    private Boolean skipNotification = false;
+    @javax.annotation.Nullable private Boolean skipNotification = false;
 
     public TemplateAddUserRequest() {}
 
@@ -60,7 +60,7 @@ public static TemplateAddUserRequest init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), TemplateAddUserRequest.class);
     }
 
-    public TemplateAddUserRequest accountId(String accountId) {
+    public TemplateAddUserRequest accountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
         return this;
     }
@@ -79,11 +79,11 @@ public String getAccountId() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccountId(String accountId) {
+    public void setAccountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
     }
 
-    public TemplateAddUserRequest emailAddress(String emailAddress) {
+    public TemplateAddUserRequest emailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -102,11 +102,12 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
-    public TemplateAddUserRequest skipNotification(Boolean skipNotification) {
+    public TemplateAddUserRequest skipNotification(
+            @javax.annotation.Nullable Boolean skipNotification) {
         this.skipNotification = skipNotification;
         return this;
     }
@@ -125,7 +126,7 @@ public Boolean getSkipNotification() {
 
     @JsonProperty(JSON_PROPERTY_SKIP_NOTIFICATION)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSkipNotification(Boolean skipNotification) {
+    public void setSkipNotification(@javax.annotation.Nullable Boolean skipNotification) {
         this.skipNotification = skipNotification;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateEmbeddedDraftRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateEmbeddedDraftRequest.java
index 95632844c..0061bf657 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateEmbeddedDraftRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateEmbeddedDraftRequest.java
@@ -56,83 +56,84 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateCreateEmbeddedDraftRequest {
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nonnull private String clientId;
 
     public static final String JSON_PROPERTY_FILES = "files";
-    private List<File> files = null;
+    @javax.annotation.Nullable private List<File> files = null;
 
     public static final String JSON_PROPERTY_FILE_URLS = "file_urls";
-    private List<String> fileUrls = null;
+    @javax.annotation.Nullable private List<String> fileUrls = null;
 
     public static final String JSON_PROPERTY_ALLOW_CCS = "allow_ccs";
-    private Boolean allowCcs = true;
+    @javax.annotation.Nullable private Boolean allowCcs = true;
 
     public static final String JSON_PROPERTY_ALLOW_REASSIGN = "allow_reassign";
-    private Boolean allowReassign = false;
+    @javax.annotation.Nullable private Boolean allowReassign = false;
 
     public static final String JSON_PROPERTY_ATTACHMENTS = "attachments";
-    private List<SubAttachment> attachments = null;
+    @javax.annotation.Nullable private List<SubAttachment> attachments = null;
 
     public static final String JSON_PROPERTY_CC_ROLES = "cc_roles";
-    private List<String> ccRoles = null;
+    @javax.annotation.Nullable private List<String> ccRoles = null;
 
     public static final String JSON_PROPERTY_EDITOR_OPTIONS = "editor_options";
-    private SubEditorOptions editorOptions;
+    @javax.annotation.Nullable private SubEditorOptions editorOptions;
 
     public static final String JSON_PROPERTY_FIELD_OPTIONS = "field_options";
-    private SubFieldOptions fieldOptions;
+    @javax.annotation.Nullable private SubFieldOptions fieldOptions;
 
     public static final String JSON_PROPERTY_FORCE_SIGNER_ROLES = "force_signer_roles";
-    private Boolean forceSignerRoles = false;
+    @javax.annotation.Nullable private Boolean forceSignerRoles = false;
 
     public static final String JSON_PROPERTY_FORCE_SUBJECT_MESSAGE = "force_subject_message";
-    private Boolean forceSubjectMessage = false;
+    @javax.annotation.Nullable private Boolean forceSubjectMessage = false;
 
     public static final String JSON_PROPERTY_FORM_FIELD_GROUPS = "form_field_groups";
-    private List<SubFormFieldGroup> formFieldGroups = null;
+    @javax.annotation.Nullable private List<SubFormFieldGroup> formFieldGroups = null;
 
     public static final String JSON_PROPERTY_FORM_FIELD_RULES = "form_field_rules";
-    private List<SubFormFieldRule> formFieldRules = null;
+    @javax.annotation.Nullable private List<SubFormFieldRule> formFieldRules = null;
 
     public static final String JSON_PROPERTY_FORM_FIELDS_PER_DOCUMENT = "form_fields_per_document";
-    private List<SubFormFieldsPerDocumentBase> formFieldsPerDocument = null;
+
+    @javax.annotation.Nullable private List<SubFormFieldsPerDocumentBase> formFieldsPerDocument = null;
 
     public static final String JSON_PROPERTY_MERGE_FIELDS = "merge_fields";
-    private List<SubMergeField> mergeFields = null;
+    @javax.annotation.Nullable private List<SubMergeField> mergeFields = null;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_SHOW_PREVIEW = "show_preview";
-    private Boolean showPreview = false;
+    @javax.annotation.Nullable private Boolean showPreview = false;
 
     public static final String JSON_PROPERTY_SHOW_PROGRESS_STEPPER = "show_progress_stepper";
-    private Boolean showProgressStepper = true;
+    @javax.annotation.Nullable private Boolean showProgressStepper = true;
 
     public static final String JSON_PROPERTY_SIGNER_ROLES = "signer_roles";
-    private List<SubTemplateRole> signerRoles = null;
+    @javax.annotation.Nullable private List<SubTemplateRole> signerRoles = null;
 
     public static final String JSON_PROPERTY_SKIP_ME_NOW = "skip_me_now";
-    private Boolean skipMeNow = false;
+    @javax.annotation.Nullable private Boolean skipMeNow = false;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nullable private String title;
 
     public static final String JSON_PROPERTY_USE_PREEXISTING_FIELDS = "use_preexisting_fields";
-    private Boolean usePreexistingFields = false;
+    @javax.annotation.Nullable private Boolean usePreexistingFields = false;
 
     public TemplateCreateEmbeddedDraftRequest() {}
 
@@ -152,7 +153,7 @@ public static TemplateCreateEmbeddedDraftRequest init(HashMap data) throws Excep
                         TemplateCreateEmbeddedDraftRequest.class);
     }
 
-    public TemplateCreateEmbeddedDraftRequest clientId(String clientId) {
+    public TemplateCreateEmbeddedDraftRequest clientId(@javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -172,11 +173,11 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
     }
 
-    public TemplateCreateEmbeddedDraftRequest files(List<File> files) {
+    public TemplateCreateEmbeddedDraftRequest files(@javax.annotation.Nullable List<File> files) {
         this.files = files;
         return this;
     }
@@ -203,11 +204,12 @@ public List<File> getFiles() {
 
     @JsonProperty(JSON_PROPERTY_FILES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFiles(List<File> files) {
+    public void setFiles(@javax.annotation.Nullable List<File> files) {
         this.files = files;
     }
 
-    public TemplateCreateEmbeddedDraftRequest fileUrls(List<String> fileUrls) {
+    public TemplateCreateEmbeddedDraftRequest fileUrls(
+            @javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
         return this;
     }
@@ -234,11 +236,12 @@ public List<String> getFileUrls() {
 
     @JsonProperty(JSON_PROPERTY_FILE_URLS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFileUrls(List<String> fileUrls) {
+    public void setFileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
     }
 
-    public TemplateCreateEmbeddedDraftRequest allowCcs(Boolean allowCcs) {
+    public TemplateCreateEmbeddedDraftRequest allowCcs(
+            @javax.annotation.Nullable Boolean allowCcs) {
         this.allowCcs = allowCcs;
         return this;
     }
@@ -257,11 +260,12 @@ public Boolean getAllowCcs() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_CCS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowCcs(Boolean allowCcs) {
+    public void setAllowCcs(@javax.annotation.Nullable Boolean allowCcs) {
         this.allowCcs = allowCcs;
     }
 
-    public TemplateCreateEmbeddedDraftRequest allowReassign(Boolean allowReassign) {
+    public TemplateCreateEmbeddedDraftRequest allowReassign(
+            @javax.annotation.Nullable Boolean allowReassign) {
         this.allowReassign = allowReassign;
         return this;
     }
@@ -281,11 +285,12 @@ public Boolean getAllowReassign() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_REASSIGN)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowReassign(Boolean allowReassign) {
+    public void setAllowReassign(@javax.annotation.Nullable Boolean allowReassign) {
         this.allowReassign = allowReassign;
     }
 
-    public TemplateCreateEmbeddedDraftRequest attachments(List<SubAttachment> attachments) {
+    public TemplateCreateEmbeddedDraftRequest attachments(
+            @javax.annotation.Nullable List<SubAttachment> attachments) {
         this.attachments = attachments;
         return this;
     }
@@ -311,11 +316,12 @@ public List<SubAttachment> getAttachments() {
 
     @JsonProperty(JSON_PROPERTY_ATTACHMENTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAttachments(List<SubAttachment> attachments) {
+    public void setAttachments(@javax.annotation.Nullable List<SubAttachment> attachments) {
         this.attachments = attachments;
     }
 
-    public TemplateCreateEmbeddedDraftRequest ccRoles(List<String> ccRoles) {
+    public TemplateCreateEmbeddedDraftRequest ccRoles(
+            @javax.annotation.Nullable List<String> ccRoles) {
         this.ccRoles = ccRoles;
         return this;
     }
@@ -341,11 +347,12 @@ public List<String> getCcRoles() {
 
     @JsonProperty(JSON_PROPERTY_CC_ROLES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcRoles(List<String> ccRoles) {
+    public void setCcRoles(@javax.annotation.Nullable List<String> ccRoles) {
         this.ccRoles = ccRoles;
     }
 
-    public TemplateCreateEmbeddedDraftRequest editorOptions(SubEditorOptions editorOptions) {
+    public TemplateCreateEmbeddedDraftRequest editorOptions(
+            @javax.annotation.Nullable SubEditorOptions editorOptions) {
         this.editorOptions = editorOptions;
         return this;
     }
@@ -363,11 +370,12 @@ public SubEditorOptions getEditorOptions() {
 
     @JsonProperty(JSON_PROPERTY_EDITOR_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEditorOptions(SubEditorOptions editorOptions) {
+    public void setEditorOptions(@javax.annotation.Nullable SubEditorOptions editorOptions) {
         this.editorOptions = editorOptions;
     }
 
-    public TemplateCreateEmbeddedDraftRequest fieldOptions(SubFieldOptions fieldOptions) {
+    public TemplateCreateEmbeddedDraftRequest fieldOptions(
+            @javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
         return this;
     }
@@ -385,11 +393,12 @@ public SubFieldOptions getFieldOptions() {
 
     @JsonProperty(JSON_PROPERTY_FIELD_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFieldOptions(SubFieldOptions fieldOptions) {
+    public void setFieldOptions(@javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
     }
 
-    public TemplateCreateEmbeddedDraftRequest forceSignerRoles(Boolean forceSignerRoles) {
+    public TemplateCreateEmbeddedDraftRequest forceSignerRoles(
+            @javax.annotation.Nullable Boolean forceSignerRoles) {
         this.forceSignerRoles = forceSignerRoles;
         return this;
     }
@@ -407,11 +416,12 @@ public Boolean getForceSignerRoles() {
 
     @JsonProperty(JSON_PROPERTY_FORCE_SIGNER_ROLES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setForceSignerRoles(Boolean forceSignerRoles) {
+    public void setForceSignerRoles(@javax.annotation.Nullable Boolean forceSignerRoles) {
         this.forceSignerRoles = forceSignerRoles;
     }
 
-    public TemplateCreateEmbeddedDraftRequest forceSubjectMessage(Boolean forceSubjectMessage) {
+    public TemplateCreateEmbeddedDraftRequest forceSubjectMessage(
+            @javax.annotation.Nullable Boolean forceSubjectMessage) {
         this.forceSubjectMessage = forceSubjectMessage;
         return this;
     }
@@ -429,12 +439,12 @@ public Boolean getForceSubjectMessage() {
 
     @JsonProperty(JSON_PROPERTY_FORCE_SUBJECT_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setForceSubjectMessage(Boolean forceSubjectMessage) {
+    public void setForceSubjectMessage(@javax.annotation.Nullable Boolean forceSubjectMessage) {
         this.forceSubjectMessage = forceSubjectMessage;
     }
 
     public TemplateCreateEmbeddedDraftRequest formFieldGroups(
-            List<SubFormFieldGroup> formFieldGroups) {
+            @javax.annotation.Nullable List<SubFormFieldGroup> formFieldGroups) {
         this.formFieldGroups = formFieldGroups;
         return this;
     }
@@ -464,12 +474,13 @@ public List<SubFormFieldGroup> getFormFieldGroups() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELD_GROUPS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldGroups(List<SubFormFieldGroup> formFieldGroups) {
+    public void setFormFieldGroups(
+            @javax.annotation.Nullable List<SubFormFieldGroup> formFieldGroups) {
         this.formFieldGroups = formFieldGroups;
     }
 
     public TemplateCreateEmbeddedDraftRequest formFieldRules(
-            List<SubFormFieldRule> formFieldRules) {
+            @javax.annotation.Nullable List<SubFormFieldRule> formFieldRules) {
         this.formFieldRules = formFieldRules;
         return this;
     }
@@ -496,12 +507,13 @@ public List<SubFormFieldRule> getFormFieldRules() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELD_RULES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldRules(List<SubFormFieldRule> formFieldRules) {
+    public void setFormFieldRules(
+            @javax.annotation.Nullable List<SubFormFieldRule> formFieldRules) {
         this.formFieldRules = formFieldRules;
     }
 
     public TemplateCreateEmbeddedDraftRequest formFieldsPerDocument(
-            List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
+            @javax.annotation.Nullable List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
         this.formFieldsPerDocument = formFieldsPerDocument;
         return this;
     }
@@ -543,11 +555,13 @@ public List<SubFormFieldsPerDocumentBase> getFormFieldsPerDocument() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELDS_PER_DOCUMENT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldsPerDocument(List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
+    public void setFormFieldsPerDocument(
+            @javax.annotation.Nullable List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
         this.formFieldsPerDocument = formFieldsPerDocument;
     }
 
-    public TemplateCreateEmbeddedDraftRequest mergeFields(List<SubMergeField> mergeFields) {
+    public TemplateCreateEmbeddedDraftRequest mergeFields(
+            @javax.annotation.Nullable List<SubMergeField> mergeFields) {
         this.mergeFields = mergeFields;
         return this;
     }
@@ -576,11 +590,11 @@ public List<SubMergeField> getMergeFields() {
 
     @JsonProperty(JSON_PROPERTY_MERGE_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMergeFields(List<SubMergeField> mergeFields) {
+    public void setMergeFields(@javax.annotation.Nullable List<SubMergeField> mergeFields) {
         this.mergeFields = mergeFields;
     }
 
-    public TemplateCreateEmbeddedDraftRequest message(String message) {
+    public TemplateCreateEmbeddedDraftRequest message(@javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -598,11 +612,12 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public TemplateCreateEmbeddedDraftRequest metadata(Map<String, Object> metadata) {
+    public TemplateCreateEmbeddedDraftRequest metadata(
+            @javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -632,11 +647,12 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
-    public TemplateCreateEmbeddedDraftRequest showPreview(Boolean showPreview) {
+    public TemplateCreateEmbeddedDraftRequest showPreview(
+            @javax.annotation.Nullable Boolean showPreview) {
         this.showPreview = showPreview;
         return this;
     }
@@ -657,11 +673,12 @@ public Boolean getShowPreview() {
 
     @JsonProperty(JSON_PROPERTY_SHOW_PREVIEW)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setShowPreview(Boolean showPreview) {
+    public void setShowPreview(@javax.annotation.Nullable Boolean showPreview) {
         this.showPreview = showPreview;
     }
 
-    public TemplateCreateEmbeddedDraftRequest showProgressStepper(Boolean showProgressStepper) {
+    public TemplateCreateEmbeddedDraftRequest showProgressStepper(
+            @javax.annotation.Nullable Boolean showProgressStepper) {
         this.showProgressStepper = showProgressStepper;
         return this;
     }
@@ -680,11 +697,12 @@ public Boolean getShowProgressStepper() {
 
     @JsonProperty(JSON_PROPERTY_SHOW_PROGRESS_STEPPER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setShowProgressStepper(Boolean showProgressStepper) {
+    public void setShowProgressStepper(@javax.annotation.Nullable Boolean showProgressStepper) {
         this.showProgressStepper = showProgressStepper;
     }
 
-    public TemplateCreateEmbeddedDraftRequest signerRoles(List<SubTemplateRole> signerRoles) {
+    public TemplateCreateEmbeddedDraftRequest signerRoles(
+            @javax.annotation.Nullable List<SubTemplateRole> signerRoles) {
         this.signerRoles = signerRoles;
         return this;
     }
@@ -711,11 +729,12 @@ public List<SubTemplateRole> getSignerRoles() {
 
     @JsonProperty(JSON_PROPERTY_SIGNER_ROLES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignerRoles(List<SubTemplateRole> signerRoles) {
+    public void setSignerRoles(@javax.annotation.Nullable List<SubTemplateRole> signerRoles) {
         this.signerRoles = signerRoles;
     }
 
-    public TemplateCreateEmbeddedDraftRequest skipMeNow(Boolean skipMeNow) {
+    public TemplateCreateEmbeddedDraftRequest skipMeNow(
+            @javax.annotation.Nullable Boolean skipMeNow) {
         this.skipMeNow = skipMeNow;
         return this;
     }
@@ -734,11 +753,11 @@ public Boolean getSkipMeNow() {
 
     @JsonProperty(JSON_PROPERTY_SKIP_ME_NOW)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSkipMeNow(Boolean skipMeNow) {
+    public void setSkipMeNow(@javax.annotation.Nullable Boolean skipMeNow) {
         this.skipMeNow = skipMeNow;
     }
 
-    public TemplateCreateEmbeddedDraftRequest subject(String subject) {
+    public TemplateCreateEmbeddedDraftRequest subject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -756,11 +775,12 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public TemplateCreateEmbeddedDraftRequest testMode(Boolean testMode) {
+    public TemplateCreateEmbeddedDraftRequest testMode(
+            @javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -779,11 +799,11 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public TemplateCreateEmbeddedDraftRequest title(String title) {
+    public TemplateCreateEmbeddedDraftRequest title(@javax.annotation.Nullable String title) {
         this.title = title;
         return this;
     }
@@ -801,11 +821,12 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nullable String title) {
         this.title = title;
     }
 
-    public TemplateCreateEmbeddedDraftRequest usePreexistingFields(Boolean usePreexistingFields) {
+    public TemplateCreateEmbeddedDraftRequest usePreexistingFields(
+            @javax.annotation.Nullable Boolean usePreexistingFields) {
         this.usePreexistingFields = usePreexistingFields;
         return this;
     }
@@ -825,7 +846,7 @@ public Boolean getUsePreexistingFields() {
 
     @JsonProperty(JSON_PROPERTY_USE_PREEXISTING_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setUsePreexistingFields(Boolean usePreexistingFields) {
+    public void setUsePreexistingFields(@javax.annotation.Nullable Boolean usePreexistingFields) {
         this.usePreexistingFields = usePreexistingFields;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateEmbeddedDraftResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateEmbeddedDraftResponse.java
index 21f1d7d65..d9ab41602 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateEmbeddedDraftResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateEmbeddedDraftResponse.java
@@ -32,14 +32,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateCreateEmbeddedDraftResponse {
     public static final String JSON_PROPERTY_TEMPLATE = "template";
-    private TemplateCreateEmbeddedDraftResponseTemplate template;
+    @javax.annotation.Nonnull private TemplateCreateEmbeddedDraftResponseTemplate template;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public TemplateCreateEmbeddedDraftResponse() {}
 
@@ -60,7 +60,7 @@ public static TemplateCreateEmbeddedDraftResponse init(HashMap data) throws Exce
     }
 
     public TemplateCreateEmbeddedDraftResponse template(
-            TemplateCreateEmbeddedDraftResponseTemplate template) {
+            @javax.annotation.Nonnull TemplateCreateEmbeddedDraftResponseTemplate template) {
         this.template = template;
         return this;
     }
@@ -79,11 +79,13 @@ public TemplateCreateEmbeddedDraftResponseTemplate getTemplate() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTemplate(TemplateCreateEmbeddedDraftResponseTemplate template) {
+    public void setTemplate(
+            @javax.annotation.Nonnull TemplateCreateEmbeddedDraftResponseTemplate template) {
         this.template = template;
     }
 
-    public TemplateCreateEmbeddedDraftResponse warnings(List<WarningResponse> warnings) {
+    public TemplateCreateEmbeddedDraftResponse warnings(
+            @javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -109,7 +111,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateEmbeddedDraftResponseTemplate.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateEmbeddedDraftResponseTemplate.java
index 7e2fc0bc4..1f11a454b 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateEmbeddedDraftResponseTemplate.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateEmbeddedDraftResponseTemplate.java
@@ -37,20 +37,20 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateCreateEmbeddedDraftResponseTemplate {
     public static final String JSON_PROPERTY_TEMPLATE_ID = "template_id";
-    private String templateId;
+    @javax.annotation.Nullable private String templateId;
 
     public static final String JSON_PROPERTY_EDIT_URL = "edit_url";
-    private String editUrl;
+    @javax.annotation.Nullable private String editUrl;
 
     public static final String JSON_PROPERTY_EXPIRES_AT = "expires_at";
-    private Integer expiresAt;
+    @javax.annotation.Nullable private Integer expiresAt;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    @Deprecated private List<WarningResponse> warnings = null;
+    @Deprecated @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public TemplateCreateEmbeddedDraftResponseTemplate() {}
 
@@ -72,7 +72,8 @@ public static TemplateCreateEmbeddedDraftResponseTemplate init(HashMap data) thr
                         TemplateCreateEmbeddedDraftResponseTemplate.class);
     }
 
-    public TemplateCreateEmbeddedDraftResponseTemplate templateId(String templateId) {
+    public TemplateCreateEmbeddedDraftResponseTemplate templateId(
+            @javax.annotation.Nullable String templateId) {
         this.templateId = templateId;
         return this;
     }
@@ -90,11 +91,12 @@ public String getTemplateId() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTemplateId(String templateId) {
+    public void setTemplateId(@javax.annotation.Nullable String templateId) {
         this.templateId = templateId;
     }
 
-    public TemplateCreateEmbeddedDraftResponseTemplate editUrl(String editUrl) {
+    public TemplateCreateEmbeddedDraftResponseTemplate editUrl(
+            @javax.annotation.Nullable String editUrl) {
         this.editUrl = editUrl;
         return this;
     }
@@ -112,11 +114,12 @@ public String getEditUrl() {
 
     @JsonProperty(JSON_PROPERTY_EDIT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEditUrl(String editUrl) {
+    public void setEditUrl(@javax.annotation.Nullable String editUrl) {
         this.editUrl = editUrl;
     }
 
-    public TemplateCreateEmbeddedDraftResponseTemplate expiresAt(Integer expiresAt) {
+    public TemplateCreateEmbeddedDraftResponseTemplate expiresAt(
+            @javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
         return this;
     }
@@ -134,12 +137,13 @@ public Integer getExpiresAt() {
 
     @JsonProperty(JSON_PROPERTY_EXPIRES_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setExpiresAt(Integer expiresAt) {
+    public void setExpiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
     }
 
     @Deprecated
-    public TemplateCreateEmbeddedDraftResponseTemplate warnings(List<WarningResponse> warnings) {
+    public TemplateCreateEmbeddedDraftResponseTemplate warnings(
+            @javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -169,7 +173,7 @@ public List<WarningResponse> getWarnings() {
     @Deprecated
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateRequest.java
index 9a554ed65..8e3815a5b 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateRequest.java
@@ -49,62 +49,64 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateCreateRequest {
     public static final String JSON_PROPERTY_FORM_FIELDS_PER_DOCUMENT = "form_fields_per_document";
+
+    @javax.annotation.Nonnull
     private List<SubFormFieldsPerDocumentBase> formFieldsPerDocument = new ArrayList<>();
 
     public static final String JSON_PROPERTY_SIGNER_ROLES = "signer_roles";
-    private List<SubTemplateRole> signerRoles = new ArrayList<>();
+    @javax.annotation.Nonnull private List<SubTemplateRole> signerRoles = new ArrayList<>();
 
     public static final String JSON_PROPERTY_FILES = "files";
-    private List<File> files = null;
+    @javax.annotation.Nullable private List<File> files = null;
 
     public static final String JSON_PROPERTY_FILE_URLS = "file_urls";
-    private List<String> fileUrls = null;
+    @javax.annotation.Nullable private List<String> fileUrls = null;
 
     public static final String JSON_PROPERTY_ALLOW_REASSIGN = "allow_reassign";
-    private Boolean allowReassign = false;
+    @javax.annotation.Nullable private Boolean allowReassign = false;
 
     public static final String JSON_PROPERTY_ATTACHMENTS = "attachments";
-    private List<SubAttachment> attachments = null;
+    @javax.annotation.Nullable private List<SubAttachment> attachments = null;
 
     public static final String JSON_PROPERTY_CC_ROLES = "cc_roles";
-    private List<String> ccRoles = null;
+    @javax.annotation.Nullable private List<String> ccRoles = null;
 
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nullable private String clientId;
 
     public static final String JSON_PROPERTY_FIELD_OPTIONS = "field_options";
-    private SubFieldOptions fieldOptions;
+    @javax.annotation.Nullable private SubFieldOptions fieldOptions;
 
     public static final String JSON_PROPERTY_FORM_FIELD_GROUPS = "form_field_groups";
-    private List<SubFormFieldGroup> formFieldGroups = null;
+    @javax.annotation.Nullable private List<SubFormFieldGroup> formFieldGroups = null;
 
     public static final String JSON_PROPERTY_FORM_FIELD_RULES = "form_field_rules";
-    private List<SubFormFieldRule> formFieldRules = null;
+    @javax.annotation.Nullable private List<SubFormFieldRule> formFieldRules = null;
 
     public static final String JSON_PROPERTY_MERGE_FIELDS = "merge_fields";
-    private List<SubMergeField> mergeFields = null;
+    @javax.annotation.Nullable private List<SubMergeField> mergeFields = null;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nullable private String title;
 
     public static final String JSON_PROPERTY_USE_PREEXISTING_FIELDS = "use_preexisting_fields";
-    private Boolean usePreexistingFields = false;
+    @javax.annotation.Nullable private Boolean usePreexistingFields = false;
 
     public TemplateCreateRequest() {}
 
@@ -124,7 +126,7 @@ public static TemplateCreateRequest init(HashMap data) throws Exception {
     }
 
     public TemplateCreateRequest formFieldsPerDocument(
-            List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
+            @javax.annotation.Nonnull List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
         this.formFieldsPerDocument = formFieldsPerDocument;
         return this;
     }
@@ -167,11 +169,13 @@ public List<SubFormFieldsPerDocumentBase> getFormFieldsPerDocument() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELDS_PER_DOCUMENT)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setFormFieldsPerDocument(List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
+    public void setFormFieldsPerDocument(
+            @javax.annotation.Nonnull List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
         this.formFieldsPerDocument = formFieldsPerDocument;
     }
 
-    public TemplateCreateRequest signerRoles(List<SubTemplateRole> signerRoles) {
+    public TemplateCreateRequest signerRoles(
+            @javax.annotation.Nonnull List<SubTemplateRole> signerRoles) {
         this.signerRoles = signerRoles;
         return this;
     }
@@ -199,11 +203,11 @@ public List<SubTemplateRole> getSignerRoles() {
 
     @JsonProperty(JSON_PROPERTY_SIGNER_ROLES)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setSignerRoles(List<SubTemplateRole> signerRoles) {
+    public void setSignerRoles(@javax.annotation.Nonnull List<SubTemplateRole> signerRoles) {
         this.signerRoles = signerRoles;
     }
 
-    public TemplateCreateRequest files(List<File> files) {
+    public TemplateCreateRequest files(@javax.annotation.Nullable List<File> files) {
         this.files = files;
         return this;
     }
@@ -230,11 +234,11 @@ public List<File> getFiles() {
 
     @JsonProperty(JSON_PROPERTY_FILES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFiles(List<File> files) {
+    public void setFiles(@javax.annotation.Nullable List<File> files) {
         this.files = files;
     }
 
-    public TemplateCreateRequest fileUrls(List<String> fileUrls) {
+    public TemplateCreateRequest fileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
         return this;
     }
@@ -261,11 +265,11 @@ public List<String> getFileUrls() {
 
     @JsonProperty(JSON_PROPERTY_FILE_URLS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFileUrls(List<String> fileUrls) {
+    public void setFileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
     }
 
-    public TemplateCreateRequest allowReassign(Boolean allowReassign) {
+    public TemplateCreateRequest allowReassign(@javax.annotation.Nullable Boolean allowReassign) {
         this.allowReassign = allowReassign;
         return this;
     }
@@ -285,11 +289,12 @@ public Boolean getAllowReassign() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_REASSIGN)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowReassign(Boolean allowReassign) {
+    public void setAllowReassign(@javax.annotation.Nullable Boolean allowReassign) {
         this.allowReassign = allowReassign;
     }
 
-    public TemplateCreateRequest attachments(List<SubAttachment> attachments) {
+    public TemplateCreateRequest attachments(
+            @javax.annotation.Nullable List<SubAttachment> attachments) {
         this.attachments = attachments;
         return this;
     }
@@ -315,11 +320,11 @@ public List<SubAttachment> getAttachments() {
 
     @JsonProperty(JSON_PROPERTY_ATTACHMENTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAttachments(List<SubAttachment> attachments) {
+    public void setAttachments(@javax.annotation.Nullable List<SubAttachment> attachments) {
         this.attachments = attachments;
     }
 
-    public TemplateCreateRequest ccRoles(List<String> ccRoles) {
+    public TemplateCreateRequest ccRoles(@javax.annotation.Nullable List<String> ccRoles) {
         this.ccRoles = ccRoles;
         return this;
     }
@@ -345,11 +350,11 @@ public List<String> getCcRoles() {
 
     @JsonProperty(JSON_PROPERTY_CC_ROLES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcRoles(List<String> ccRoles) {
+    public void setCcRoles(@javax.annotation.Nullable List<String> ccRoles) {
         this.ccRoles = ccRoles;
     }
 
-    public TemplateCreateRequest clientId(String clientId) {
+    public TemplateCreateRequest clientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -368,11 +373,12 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
     }
 
-    public TemplateCreateRequest fieldOptions(SubFieldOptions fieldOptions) {
+    public TemplateCreateRequest fieldOptions(
+            @javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
         return this;
     }
@@ -390,11 +396,12 @@ public SubFieldOptions getFieldOptions() {
 
     @JsonProperty(JSON_PROPERTY_FIELD_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFieldOptions(SubFieldOptions fieldOptions) {
+    public void setFieldOptions(@javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
     }
 
-    public TemplateCreateRequest formFieldGroups(List<SubFormFieldGroup> formFieldGroups) {
+    public TemplateCreateRequest formFieldGroups(
+            @javax.annotation.Nullable List<SubFormFieldGroup> formFieldGroups) {
         this.formFieldGroups = formFieldGroups;
         return this;
     }
@@ -423,11 +430,13 @@ public List<SubFormFieldGroup> getFormFieldGroups() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELD_GROUPS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldGroups(List<SubFormFieldGroup> formFieldGroups) {
+    public void setFormFieldGroups(
+            @javax.annotation.Nullable List<SubFormFieldGroup> formFieldGroups) {
         this.formFieldGroups = formFieldGroups;
     }
 
-    public TemplateCreateRequest formFieldRules(List<SubFormFieldRule> formFieldRules) {
+    public TemplateCreateRequest formFieldRules(
+            @javax.annotation.Nullable List<SubFormFieldRule> formFieldRules) {
         this.formFieldRules = formFieldRules;
         return this;
     }
@@ -453,11 +462,13 @@ public List<SubFormFieldRule> getFormFieldRules() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELD_RULES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldRules(List<SubFormFieldRule> formFieldRules) {
+    public void setFormFieldRules(
+            @javax.annotation.Nullable List<SubFormFieldRule> formFieldRules) {
         this.formFieldRules = formFieldRules;
     }
 
-    public TemplateCreateRequest mergeFields(List<SubMergeField> mergeFields) {
+    public TemplateCreateRequest mergeFields(
+            @javax.annotation.Nullable List<SubMergeField> mergeFields) {
         this.mergeFields = mergeFields;
         return this;
     }
@@ -486,11 +497,11 @@ public List<SubMergeField> getMergeFields() {
 
     @JsonProperty(JSON_PROPERTY_MERGE_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMergeFields(List<SubMergeField> mergeFields) {
+    public void setMergeFields(@javax.annotation.Nullable List<SubMergeField> mergeFields) {
         this.mergeFields = mergeFields;
     }
 
-    public TemplateCreateRequest message(String message) {
+    public TemplateCreateRequest message(@javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -508,11 +519,11 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public TemplateCreateRequest metadata(Map<String, Object> metadata) {
+    public TemplateCreateRequest metadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -542,11 +553,11 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
-    public TemplateCreateRequest subject(String subject) {
+    public TemplateCreateRequest subject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -564,11 +575,11 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public TemplateCreateRequest testMode(Boolean testMode) {
+    public TemplateCreateRequest testMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -587,11 +598,11 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public TemplateCreateRequest title(String title) {
+    public TemplateCreateRequest title(@javax.annotation.Nullable String title) {
         this.title = title;
         return this;
     }
@@ -609,11 +620,12 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nullable String title) {
         this.title = title;
     }
 
-    public TemplateCreateRequest usePreexistingFields(Boolean usePreexistingFields) {
+    public TemplateCreateRequest usePreexistingFields(
+            @javax.annotation.Nullable Boolean usePreexistingFields) {
         this.usePreexistingFields = usePreexistingFields;
         return this;
     }
@@ -633,7 +645,7 @@ public Boolean getUsePreexistingFields() {
 
     @JsonProperty(JSON_PROPERTY_USE_PREEXISTING_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setUsePreexistingFields(Boolean usePreexistingFields) {
+    public void setUsePreexistingFields(@javax.annotation.Nullable Boolean usePreexistingFields) {
         this.usePreexistingFields = usePreexistingFields;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateResponse.java
index 3c228e89c..511bb2391 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateResponse.java
@@ -32,14 +32,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateCreateResponse {
     public static final String JSON_PROPERTY_TEMPLATE = "template";
-    private TemplateCreateResponseTemplate template;
+    @javax.annotation.Nonnull private TemplateCreateResponseTemplate template;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public TemplateCreateResponse() {}
 
@@ -58,7 +58,8 @@ public static TemplateCreateResponse init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), TemplateCreateResponse.class);
     }
 
-    public TemplateCreateResponse template(TemplateCreateResponseTemplate template) {
+    public TemplateCreateResponse template(
+            @javax.annotation.Nonnull TemplateCreateResponseTemplate template) {
         this.template = template;
         return this;
     }
@@ -77,11 +78,12 @@ public TemplateCreateResponseTemplate getTemplate() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTemplate(TemplateCreateResponseTemplate template) {
+    public void setTemplate(@javax.annotation.Nonnull TemplateCreateResponseTemplate template) {
         this.template = template;
     }
 
-    public TemplateCreateResponse warnings(List<WarningResponse> warnings) {
+    public TemplateCreateResponse warnings(
+            @javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -107,7 +109,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateResponseTemplate.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateResponseTemplate.java
index 017ed6e40..5368e41b3 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateResponseTemplate.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateCreateResponseTemplate.java
@@ -27,11 +27,11 @@
 @JsonPropertyOrder({TemplateCreateResponseTemplate.JSON_PROPERTY_TEMPLATE_ID})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateCreateResponseTemplate {
     public static final String JSON_PROPERTY_TEMPLATE_ID = "template_id";
-    private String templateId;
+    @javax.annotation.Nullable private String templateId;
 
     public TemplateCreateResponseTemplate() {}
 
@@ -51,7 +51,7 @@ public static TemplateCreateResponseTemplate init(HashMap data) throws Exception
                         TemplateCreateResponseTemplate.class);
     }
 
-    public TemplateCreateResponseTemplate templateId(String templateId) {
+    public TemplateCreateResponseTemplate templateId(@javax.annotation.Nullable String templateId) {
         this.templateId = templateId;
         return this;
     }
@@ -69,7 +69,7 @@ public String getTemplateId() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTemplateId(String templateId) {
+    public void setTemplateId(@javax.annotation.Nullable String templateId) {
         this.templateId = templateId;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateEditResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateEditResponse.java
index 65be6fd0b..095b796a1 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateEditResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateEditResponse.java
@@ -27,11 +27,11 @@
 @JsonPropertyOrder({TemplateEditResponse.JSON_PROPERTY_TEMPLATE_ID})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateEditResponse {
     public static final String JSON_PROPERTY_TEMPLATE_ID = "template_id";
-    private String templateId;
+    @javax.annotation.Nonnull private String templateId;
 
     public TemplateEditResponse() {}
 
@@ -49,7 +49,7 @@ public static TemplateEditResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), TemplateEditResponse.class);
     }
 
-    public TemplateEditResponse templateId(String templateId) {
+    public TemplateEditResponse templateId(@javax.annotation.Nonnull String templateId) {
         this.templateId = templateId;
         return this;
     }
@@ -68,7 +68,7 @@ public String getTemplateId() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTemplateId(String templateId) {
+    public void setTemplateId(@javax.annotation.Nonnull String templateId) {
         this.templateId = templateId;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateGetResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateGetResponse.java
index 1c4f53d6b..f1e79244d 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateGetResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateGetResponse.java
@@ -32,14 +32,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateGetResponse {
     public static final String JSON_PROPERTY_TEMPLATE = "template";
-    private TemplateResponse template;
+    @javax.annotation.Nonnull private TemplateResponse template;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public TemplateGetResponse() {}
 
@@ -57,7 +57,7 @@ public static TemplateGetResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), TemplateGetResponse.class);
     }
 
-    public TemplateGetResponse template(TemplateResponse template) {
+    public TemplateGetResponse template(@javax.annotation.Nonnull TemplateResponse template) {
         this.template = template;
         return this;
     }
@@ -76,11 +76,11 @@ public TemplateResponse getTemplate() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTemplate(TemplateResponse template) {
+    public void setTemplate(@javax.annotation.Nonnull TemplateResponse template) {
         this.template = template;
     }
 
-    public TemplateGetResponse warnings(List<WarningResponse> warnings) {
+    public TemplateGetResponse warnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -106,7 +106,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateListResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateListResponse.java
index 70385b00c..624836a79 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateListResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateListResponse.java
@@ -33,17 +33,17 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateListResponse {
     public static final String JSON_PROPERTY_TEMPLATES = "templates";
-    private List<TemplateResponse> templates = new ArrayList<>();
+    @javax.annotation.Nonnull private List<TemplateResponse> templates = new ArrayList<>();
 
     public static final String JSON_PROPERTY_LIST_INFO = "list_info";
-    private ListInfoResponse listInfo;
+    @javax.annotation.Nonnull private ListInfoResponse listInfo;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public TemplateListResponse() {}
 
@@ -61,7 +61,8 @@ public static TemplateListResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), TemplateListResponse.class);
     }
 
-    public TemplateListResponse templates(List<TemplateResponse> templates) {
+    public TemplateListResponse templates(
+            @javax.annotation.Nonnull List<TemplateResponse> templates) {
         this.templates = templates;
         return this;
     }
@@ -88,11 +89,11 @@ public List<TemplateResponse> getTemplates() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATES)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTemplates(List<TemplateResponse> templates) {
+    public void setTemplates(@javax.annotation.Nonnull List<TemplateResponse> templates) {
         this.templates = templates;
     }
 
-    public TemplateListResponse listInfo(ListInfoResponse listInfo) {
+    public TemplateListResponse listInfo(@javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
         return this;
     }
@@ -111,11 +112,12 @@ public ListInfoResponse getListInfo() {
 
     @JsonProperty(JSON_PROPERTY_LIST_INFO)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setListInfo(ListInfoResponse listInfo) {
+    public void setListInfo(@javax.annotation.Nonnull ListInfoResponse listInfo) {
         this.listInfo = listInfo;
     }
 
-    public TemplateListResponse warnings(List<WarningResponse> warnings) {
+    public TemplateListResponse warnings(
+            @javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -141,7 +143,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateRemoveUserRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateRemoveUserRequest.java
index 28d04e064..401a1a8d8 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateRemoveUserRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateRemoveUserRequest.java
@@ -30,14 +30,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateRemoveUserRequest {
     public static final String JSON_PROPERTY_ACCOUNT_ID = "account_id";
-    private String accountId;
+    @javax.annotation.Nullable private String accountId;
 
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nullable private String emailAddress;
 
     public TemplateRemoveUserRequest() {}
 
@@ -57,7 +57,7 @@ public static TemplateRemoveUserRequest init(HashMap data) throws Exception {
                         TemplateRemoveUserRequest.class);
     }
 
-    public TemplateRemoveUserRequest accountId(String accountId) {
+    public TemplateRemoveUserRequest accountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
         return this;
     }
@@ -76,11 +76,11 @@ public String getAccountId() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccountId(String accountId) {
+    public void setAccountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
     }
 
-    public TemplateRemoveUserRequest emailAddress(String emailAddress) {
+    public TemplateRemoveUserRequest emailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -99,7 +99,7 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponse.java
index fde4151d3..794722520 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponse.java
@@ -46,56 +46,58 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateResponse {
     public static final String JSON_PROPERTY_TEMPLATE_ID = "template_id";
-    private String templateId;
+    @javax.annotation.Nullable private String templateId;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nullable private String title;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_UPDATED_AT = "updated_at";
-    private Integer updatedAt;
+    @javax.annotation.Nullable private Integer updatedAt;
 
     public static final String JSON_PROPERTY_IS_EMBEDDED = "is_embedded";
-    private Boolean isEmbedded;
+    @javax.annotation.Nullable private Boolean isEmbedded;
 
     public static final String JSON_PROPERTY_IS_CREATOR = "is_creator";
-    private Boolean isCreator;
+    @javax.annotation.Nullable private Boolean isCreator;
 
     public static final String JSON_PROPERTY_CAN_EDIT = "can_edit";
-    private Boolean canEdit;
+    @javax.annotation.Nullable private Boolean canEdit;
 
     public static final String JSON_PROPERTY_IS_LOCKED = "is_locked";
-    private Boolean isLocked;
+    @javax.annotation.Nullable private Boolean isLocked;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_SIGNER_ROLES = "signer_roles";
-    private List<TemplateResponseSignerRole> signerRoles = null;
+    @javax.annotation.Nullable private List<TemplateResponseSignerRole> signerRoles = null;
 
     public static final String JSON_PROPERTY_CC_ROLES = "cc_roles";
-    private List<TemplateResponseCCRole> ccRoles = null;
+    @javax.annotation.Nullable private List<TemplateResponseCCRole> ccRoles = null;
 
     public static final String JSON_PROPERTY_DOCUMENTS = "documents";
-    private List<TemplateResponseDocument> documents = null;
+    @javax.annotation.Nullable private List<TemplateResponseDocument> documents = null;
 
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    @Deprecated private List<TemplateResponseDocumentCustomFieldBase> customFields = null;
+
+    @Deprecated @javax.annotation.Nullable private List<TemplateResponseDocumentCustomFieldBase> customFields = null;
 
     public static final String JSON_PROPERTY_NAMED_FORM_FIELDS = "named_form_fields";
-    @Deprecated private List<TemplateResponseDocumentFormFieldBase> namedFormFields = null;
+
+    @Deprecated @javax.annotation.Nullable private List<TemplateResponseDocumentFormFieldBase> namedFormFields = null;
 
     public static final String JSON_PROPERTY_ACCOUNTS = "accounts";
-    private List<TemplateResponseAccount> accounts = null;
+    @javax.annotation.Nullable private List<TemplateResponseAccount> accounts = null;
 
     public static final String JSON_PROPERTY_ATTACHMENTS = "attachments";
-    private List<SignatureRequestResponseAttachment> attachments = null;
+    @javax.annotation.Nullable private List<SignatureRequestResponseAttachment> attachments = null;
 
     public TemplateResponse() {}
 
@@ -113,7 +115,7 @@ public static TemplateResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), TemplateResponse.class);
     }
 
-    public TemplateResponse templateId(String templateId) {
+    public TemplateResponse templateId(@javax.annotation.Nullable String templateId) {
         this.templateId = templateId;
         return this;
     }
@@ -131,11 +133,11 @@ public String getTemplateId() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTemplateId(String templateId) {
+    public void setTemplateId(@javax.annotation.Nullable String templateId) {
         this.templateId = templateId;
     }
 
-    public TemplateResponse title(String title) {
+    public TemplateResponse title(@javax.annotation.Nullable String title) {
         this.title = title;
         return this;
     }
@@ -155,11 +157,11 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nullable String title) {
         this.title = title;
     }
 
-    public TemplateResponse message(String message) {
+    public TemplateResponse message(@javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -178,11 +180,11 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public TemplateResponse updatedAt(Integer updatedAt) {
+    public TemplateResponse updatedAt(@javax.annotation.Nullable Integer updatedAt) {
         this.updatedAt = updatedAt;
         return this;
     }
@@ -200,11 +202,11 @@ public Integer getUpdatedAt() {
 
     @JsonProperty(JSON_PROPERTY_UPDATED_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setUpdatedAt(Integer updatedAt) {
+    public void setUpdatedAt(@javax.annotation.Nullable Integer updatedAt) {
         this.updatedAt = updatedAt;
     }
 
-    public TemplateResponse isEmbedded(Boolean isEmbedded) {
+    public TemplateResponse isEmbedded(@javax.annotation.Nullable Boolean isEmbedded) {
         this.isEmbedded = isEmbedded;
         return this;
     }
@@ -224,11 +226,11 @@ public Boolean getIsEmbedded() {
 
     @JsonProperty(JSON_PROPERTY_IS_EMBEDDED)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsEmbedded(Boolean isEmbedded) {
+    public void setIsEmbedded(@javax.annotation.Nullable Boolean isEmbedded) {
         this.isEmbedded = isEmbedded;
     }
 
-    public TemplateResponse isCreator(Boolean isCreator) {
+    public TemplateResponse isCreator(@javax.annotation.Nullable Boolean isCreator) {
         this.isCreator = isCreator;
         return this;
     }
@@ -247,11 +249,11 @@ public Boolean getIsCreator() {
 
     @JsonProperty(JSON_PROPERTY_IS_CREATOR)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsCreator(Boolean isCreator) {
+    public void setIsCreator(@javax.annotation.Nullable Boolean isCreator) {
         this.isCreator = isCreator;
     }
 
-    public TemplateResponse canEdit(Boolean canEdit) {
+    public TemplateResponse canEdit(@javax.annotation.Nullable Boolean canEdit) {
         this.canEdit = canEdit;
         return this;
     }
@@ -270,11 +272,11 @@ public Boolean getCanEdit() {
 
     @JsonProperty(JSON_PROPERTY_CAN_EDIT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCanEdit(Boolean canEdit) {
+    public void setCanEdit(@javax.annotation.Nullable Boolean canEdit) {
         this.canEdit = canEdit;
     }
 
-    public TemplateResponse isLocked(Boolean isLocked) {
+    public TemplateResponse isLocked(@javax.annotation.Nullable Boolean isLocked) {
         this.isLocked = isLocked;
         return this;
     }
@@ -294,11 +296,11 @@ public Boolean getIsLocked() {
 
     @JsonProperty(JSON_PROPERTY_IS_LOCKED)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsLocked(Boolean isLocked) {
+    public void setIsLocked(@javax.annotation.Nullable Boolean isLocked) {
         this.isLocked = isLocked;
     }
 
-    public TemplateResponse metadata(Map<String, Object> metadata) {
+    public TemplateResponse metadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -324,11 +326,12 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
-    public TemplateResponse signerRoles(List<TemplateResponseSignerRole> signerRoles) {
+    public TemplateResponse signerRoles(
+            @javax.annotation.Nullable List<TemplateResponseSignerRole> signerRoles) {
         this.signerRoles = signerRoles;
         return this;
     }
@@ -355,11 +358,13 @@ public List<TemplateResponseSignerRole> getSignerRoles() {
 
     @JsonProperty(JSON_PROPERTY_SIGNER_ROLES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignerRoles(List<TemplateResponseSignerRole> signerRoles) {
+    public void setSignerRoles(
+            @javax.annotation.Nullable List<TemplateResponseSignerRole> signerRoles) {
         this.signerRoles = signerRoles;
     }
 
-    public TemplateResponse ccRoles(List<TemplateResponseCCRole> ccRoles) {
+    public TemplateResponse ccRoles(
+            @javax.annotation.Nullable List<TemplateResponseCCRole> ccRoles) {
         this.ccRoles = ccRoles;
         return this;
     }
@@ -386,11 +391,12 @@ public List<TemplateResponseCCRole> getCcRoles() {
 
     @JsonProperty(JSON_PROPERTY_CC_ROLES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcRoles(List<TemplateResponseCCRole> ccRoles) {
+    public void setCcRoles(@javax.annotation.Nullable List<TemplateResponseCCRole> ccRoles) {
         this.ccRoles = ccRoles;
     }
 
-    public TemplateResponse documents(List<TemplateResponseDocument> documents) {
+    public TemplateResponse documents(
+            @javax.annotation.Nullable List<TemplateResponseDocument> documents) {
         this.documents = documents;
         return this;
     }
@@ -417,13 +423,13 @@ public List<TemplateResponseDocument> getDocuments() {
 
     @JsonProperty(JSON_PROPERTY_DOCUMENTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setDocuments(List<TemplateResponseDocument> documents) {
+    public void setDocuments(@javax.annotation.Nullable List<TemplateResponseDocument> documents) {
         this.documents = documents;
     }
 
     @Deprecated
     public TemplateResponse customFields(
-            List<TemplateResponseDocumentCustomFieldBase> customFields) {
+            @javax.annotation.Nullable List<TemplateResponseDocumentCustomFieldBase> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -455,13 +461,14 @@ public List<TemplateResponseDocumentCustomFieldBase> getCustomFields() {
     @Deprecated
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<TemplateResponseDocumentCustomFieldBase> customFields) {
+    public void setCustomFields(
+            @javax.annotation.Nullable List<TemplateResponseDocumentCustomFieldBase> customFields) {
         this.customFields = customFields;
     }
 
     @Deprecated
     public TemplateResponse namedFormFields(
-            List<TemplateResponseDocumentFormFieldBase> namedFormFields) {
+            @javax.annotation.Nullable List<TemplateResponseDocumentFormFieldBase> namedFormFields) {
         this.namedFormFields = namedFormFields;
         return this;
     }
@@ -493,11 +500,13 @@ public List<TemplateResponseDocumentFormFieldBase> getNamedFormFields() {
     @Deprecated
     @JsonProperty(JSON_PROPERTY_NAMED_FORM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setNamedFormFields(List<TemplateResponseDocumentFormFieldBase> namedFormFields) {
+    public void setNamedFormFields(
+            @javax.annotation.Nullable List<TemplateResponseDocumentFormFieldBase> namedFormFields) {
         this.namedFormFields = namedFormFields;
     }
 
-    public TemplateResponse accounts(List<TemplateResponseAccount> accounts) {
+    public TemplateResponse accounts(
+            @javax.annotation.Nullable List<TemplateResponseAccount> accounts) {
         this.accounts = accounts;
         return this;
     }
@@ -523,11 +532,12 @@ public List<TemplateResponseAccount> getAccounts() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccounts(List<TemplateResponseAccount> accounts) {
+    public void setAccounts(@javax.annotation.Nullable List<TemplateResponseAccount> accounts) {
         this.accounts = accounts;
     }
 
-    public TemplateResponse attachments(List<SignatureRequestResponseAttachment> attachments) {
+    public TemplateResponse attachments(
+            @javax.annotation.Nullable List<SignatureRequestResponseAttachment> attachments) {
         this.attachments = attachments;
         return this;
     }
@@ -553,7 +563,8 @@ public List<SignatureRequestResponseAttachment> getAttachments() {
 
     @JsonProperty(JSON_PROPERTY_ATTACHMENTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAttachments(List<SignatureRequestResponseAttachment> attachments) {
+    public void setAttachments(
+            @javax.annotation.Nullable List<SignatureRequestResponseAttachment> attachments) {
         this.attachments = attachments;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseAccount.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseAccount.java
index 901e4be34..1f8cdbab4 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseAccount.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseAccount.java
@@ -34,26 +34,26 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateResponseAccount {
     public static final String JSON_PROPERTY_ACCOUNT_ID = "account_id";
-    private String accountId;
+    @javax.annotation.Nullable private String accountId;
 
     public static final String JSON_PROPERTY_EMAIL_ADDRESS = "email_address";
-    private String emailAddress;
+    @javax.annotation.Nullable private String emailAddress;
 
     public static final String JSON_PROPERTY_IS_LOCKED = "is_locked";
-    private Boolean isLocked;
+    @javax.annotation.Nullable private Boolean isLocked;
 
     public static final String JSON_PROPERTY_IS_PAID_HS = "is_paid_hs";
-    private Boolean isPaidHs;
+    @javax.annotation.Nullable private Boolean isPaidHs;
 
     public static final String JSON_PROPERTY_IS_PAID_HF = "is_paid_hf";
-    private Boolean isPaidHf;
+    @javax.annotation.Nullable private Boolean isPaidHf;
 
     public static final String JSON_PROPERTY_QUOTAS = "quotas";
-    private TemplateResponseAccountQuota quotas;
+    @javax.annotation.Nullable private TemplateResponseAccountQuota quotas;
 
     public TemplateResponseAccount() {}
 
@@ -72,7 +72,7 @@ public static TemplateResponseAccount init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), TemplateResponseAccount.class);
     }
 
-    public TemplateResponseAccount accountId(String accountId) {
+    public TemplateResponseAccount accountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
         return this;
     }
@@ -90,11 +90,11 @@ public String getAccountId() {
 
     @JsonProperty(JSON_PROPERTY_ACCOUNT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAccountId(String accountId) {
+    public void setAccountId(@javax.annotation.Nullable String accountId) {
         this.accountId = accountId;
     }
 
-    public TemplateResponseAccount emailAddress(String emailAddress) {
+    public TemplateResponseAccount emailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
         return this;
     }
@@ -112,11 +112,11 @@ public String getEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEmailAddress(String emailAddress) {
+    public void setEmailAddress(@javax.annotation.Nullable String emailAddress) {
         this.emailAddress = emailAddress;
     }
 
-    public TemplateResponseAccount isLocked(Boolean isLocked) {
+    public TemplateResponseAccount isLocked(@javax.annotation.Nullable Boolean isLocked) {
         this.isLocked = isLocked;
         return this;
     }
@@ -134,11 +134,11 @@ public Boolean getIsLocked() {
 
     @JsonProperty(JSON_PROPERTY_IS_LOCKED)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsLocked(Boolean isLocked) {
+    public void setIsLocked(@javax.annotation.Nullable Boolean isLocked) {
         this.isLocked = isLocked;
     }
 
-    public TemplateResponseAccount isPaidHs(Boolean isPaidHs) {
+    public TemplateResponseAccount isPaidHs(@javax.annotation.Nullable Boolean isPaidHs) {
         this.isPaidHs = isPaidHs;
         return this;
     }
@@ -156,11 +156,11 @@ public Boolean getIsPaidHs() {
 
     @JsonProperty(JSON_PROPERTY_IS_PAID_HS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsPaidHs(Boolean isPaidHs) {
+    public void setIsPaidHs(@javax.annotation.Nullable Boolean isPaidHs) {
         this.isPaidHs = isPaidHs;
     }
 
-    public TemplateResponseAccount isPaidHf(Boolean isPaidHf) {
+    public TemplateResponseAccount isPaidHf(@javax.annotation.Nullable Boolean isPaidHf) {
         this.isPaidHf = isPaidHf;
         return this;
     }
@@ -178,11 +178,12 @@ public Boolean getIsPaidHf() {
 
     @JsonProperty(JSON_PROPERTY_IS_PAID_HF)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsPaidHf(Boolean isPaidHf) {
+    public void setIsPaidHf(@javax.annotation.Nullable Boolean isPaidHf) {
         this.isPaidHf = isPaidHf;
     }
 
-    public TemplateResponseAccount quotas(TemplateResponseAccountQuota quotas) {
+    public TemplateResponseAccount quotas(
+            @javax.annotation.Nullable TemplateResponseAccountQuota quotas) {
         this.quotas = quotas;
         return this;
     }
@@ -200,7 +201,7 @@ public TemplateResponseAccountQuota getQuotas() {
 
     @JsonProperty(JSON_PROPERTY_QUOTAS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setQuotas(TemplateResponseAccountQuota quotas) {
+    public void setQuotas(@javax.annotation.Nullable TemplateResponseAccountQuota quotas) {
         this.quotas = quotas;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseAccountQuota.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseAccountQuota.java
index 0ebdbe2a4..edad6110e 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseAccountQuota.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseAccountQuota.java
@@ -35,21 +35,21 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateResponseAccountQuota {
     public static final String JSON_PROPERTY_TEMPLATES_LEFT = "templates_left";
-    private Integer templatesLeft;
+    @javax.annotation.Nullable private Integer templatesLeft;
 
     public static final String JSON_PROPERTY_API_SIGNATURE_REQUESTS_LEFT =
             "api_signature_requests_left";
-    private Integer apiSignatureRequestsLeft;
+    @javax.annotation.Nullable private Integer apiSignatureRequestsLeft;
 
     public static final String JSON_PROPERTY_DOCUMENTS_LEFT = "documents_left";
-    private Integer documentsLeft;
+    @javax.annotation.Nullable private Integer documentsLeft;
 
     public static final String JSON_PROPERTY_SMS_VERIFICATIONS_LEFT = "sms_verifications_left";
-    private Integer smsVerificationsLeft;
+    @javax.annotation.Nullable private Integer smsVerificationsLeft;
 
     public TemplateResponseAccountQuota() {}
 
@@ -69,7 +69,8 @@ public static TemplateResponseAccountQuota init(HashMap data) throws Exception {
                         TemplateResponseAccountQuota.class);
     }
 
-    public TemplateResponseAccountQuota templatesLeft(Integer templatesLeft) {
+    public TemplateResponseAccountQuota templatesLeft(
+            @javax.annotation.Nullable Integer templatesLeft) {
         this.templatesLeft = templatesLeft;
         return this;
     }
@@ -87,11 +88,12 @@ public Integer getTemplatesLeft() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATES_LEFT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTemplatesLeft(Integer templatesLeft) {
+    public void setTemplatesLeft(@javax.annotation.Nullable Integer templatesLeft) {
         this.templatesLeft = templatesLeft;
     }
 
-    public TemplateResponseAccountQuota apiSignatureRequestsLeft(Integer apiSignatureRequestsLeft) {
+    public TemplateResponseAccountQuota apiSignatureRequestsLeft(
+            @javax.annotation.Nullable Integer apiSignatureRequestsLeft) {
         this.apiSignatureRequestsLeft = apiSignatureRequestsLeft;
         return this;
     }
@@ -109,11 +111,13 @@ public Integer getApiSignatureRequestsLeft() {
 
     @JsonProperty(JSON_PROPERTY_API_SIGNATURE_REQUESTS_LEFT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setApiSignatureRequestsLeft(Integer apiSignatureRequestsLeft) {
+    public void setApiSignatureRequestsLeft(
+            @javax.annotation.Nullable Integer apiSignatureRequestsLeft) {
         this.apiSignatureRequestsLeft = apiSignatureRequestsLeft;
     }
 
-    public TemplateResponseAccountQuota documentsLeft(Integer documentsLeft) {
+    public TemplateResponseAccountQuota documentsLeft(
+            @javax.annotation.Nullable Integer documentsLeft) {
         this.documentsLeft = documentsLeft;
         return this;
     }
@@ -131,11 +135,12 @@ public Integer getDocumentsLeft() {
 
     @JsonProperty(JSON_PROPERTY_DOCUMENTS_LEFT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setDocumentsLeft(Integer documentsLeft) {
+    public void setDocumentsLeft(@javax.annotation.Nullable Integer documentsLeft) {
         this.documentsLeft = documentsLeft;
     }
 
-    public TemplateResponseAccountQuota smsVerificationsLeft(Integer smsVerificationsLeft) {
+    public TemplateResponseAccountQuota smsVerificationsLeft(
+            @javax.annotation.Nullable Integer smsVerificationsLeft) {
         this.smsVerificationsLeft = smsVerificationsLeft;
         return this;
     }
@@ -153,7 +158,7 @@ public Integer getSmsVerificationsLeft() {
 
     @JsonProperty(JSON_PROPERTY_SMS_VERIFICATIONS_LEFT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSmsVerificationsLeft(Integer smsVerificationsLeft) {
+    public void setSmsVerificationsLeft(@javax.annotation.Nullable Integer smsVerificationsLeft) {
         this.smsVerificationsLeft = smsVerificationsLeft;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseCCRole.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseCCRole.java
index e4a7d7377..00f72e343 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseCCRole.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseCCRole.java
@@ -27,11 +27,11 @@
 @JsonPropertyOrder({TemplateResponseCCRole.JSON_PROPERTY_NAME})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateResponseCCRole {
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public TemplateResponseCCRole() {}
 
@@ -50,7 +50,7 @@ public static TemplateResponseCCRole init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), TemplateResponseCCRole.class);
     }
 
-    public TemplateResponseCCRole name(String name) {
+    public TemplateResponseCCRole name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -68,7 +68,7 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocument.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocument.java
index de32fb5ac..3cabbf112 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocument.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocument.java
@@ -36,26 +36,29 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateResponseDocument {
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public static final String JSON_PROPERTY_INDEX = "index";
-    private Integer index;
+    @javax.annotation.Nullable private Integer index;
 
     public static final String JSON_PROPERTY_FIELD_GROUPS = "field_groups";
-    private List<TemplateResponseDocumentFieldGroup> fieldGroups = null;
+    @javax.annotation.Nullable private List<TemplateResponseDocumentFieldGroup> fieldGroups = null;
 
     public static final String JSON_PROPERTY_FORM_FIELDS = "form_fields";
-    private List<TemplateResponseDocumentFormFieldBase> formFields = null;
+
+    @javax.annotation.Nullable private List<TemplateResponseDocumentFormFieldBase> formFields = null;
 
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    private List<TemplateResponseDocumentCustomFieldBase> customFields = null;
+
+    @javax.annotation.Nullable private List<TemplateResponseDocumentCustomFieldBase> customFields = null;
 
     public static final String JSON_PROPERTY_STATIC_FIELDS = "static_fields";
-    private List<TemplateResponseDocumentStaticFieldBase> staticFields = null;
+
+    @javax.annotation.Nullable private List<TemplateResponseDocumentStaticFieldBase> staticFields = null;
 
     public TemplateResponseDocument() {}
 
@@ -75,7 +78,7 @@ public static TemplateResponseDocument init(HashMap data) throws Exception {
                         TemplateResponseDocument.class);
     }
 
-    public TemplateResponseDocument name(String name) {
+    public TemplateResponseDocument name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -93,11 +96,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
-    public TemplateResponseDocument index(Integer index) {
+    public TemplateResponseDocument index(@javax.annotation.Nullable Integer index) {
         this.index = index;
         return this;
     }
@@ -116,12 +119,12 @@ public Integer getIndex() {
 
     @JsonProperty(JSON_PROPERTY_INDEX)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIndex(Integer index) {
+    public void setIndex(@javax.annotation.Nullable Integer index) {
         this.index = index;
     }
 
     public TemplateResponseDocument fieldGroups(
-            List<TemplateResponseDocumentFieldGroup> fieldGroups) {
+            @javax.annotation.Nullable List<TemplateResponseDocumentFieldGroup> fieldGroups) {
         this.fieldGroups = fieldGroups;
         return this;
     }
@@ -148,12 +151,13 @@ public List<TemplateResponseDocumentFieldGroup> getFieldGroups() {
 
     @JsonProperty(JSON_PROPERTY_FIELD_GROUPS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFieldGroups(List<TemplateResponseDocumentFieldGroup> fieldGroups) {
+    public void setFieldGroups(
+            @javax.annotation.Nullable List<TemplateResponseDocumentFieldGroup> fieldGroups) {
         this.fieldGroups = fieldGroups;
     }
 
     public TemplateResponseDocument formFields(
-            List<TemplateResponseDocumentFormFieldBase> formFields) {
+            @javax.annotation.Nullable List<TemplateResponseDocumentFormFieldBase> formFields) {
         this.formFields = formFields;
         return this;
     }
@@ -180,12 +184,13 @@ public List<TemplateResponseDocumentFormFieldBase> getFormFields() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFields(List<TemplateResponseDocumentFormFieldBase> formFields) {
+    public void setFormFields(
+            @javax.annotation.Nullable List<TemplateResponseDocumentFormFieldBase> formFields) {
         this.formFields = formFields;
     }
 
     public TemplateResponseDocument customFields(
-            List<TemplateResponseDocumentCustomFieldBase> customFields) {
+            @javax.annotation.Nullable List<TemplateResponseDocumentCustomFieldBase> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -212,12 +217,13 @@ public List<TemplateResponseDocumentCustomFieldBase> getCustomFields() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<TemplateResponseDocumentCustomFieldBase> customFields) {
+    public void setCustomFields(
+            @javax.annotation.Nullable List<TemplateResponseDocumentCustomFieldBase> customFields) {
         this.customFields = customFields;
     }
 
     public TemplateResponseDocument staticFields(
-            List<TemplateResponseDocumentStaticFieldBase> staticFields) {
+            @javax.annotation.Nullable List<TemplateResponseDocumentStaticFieldBase> staticFields) {
         this.staticFields = staticFields;
         return this;
     }
@@ -245,7 +251,8 @@ public List<TemplateResponseDocumentStaticFieldBase> getStaticFields() {
 
     @JsonProperty(JSON_PROPERTY_STATIC_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setStaticFields(List<TemplateResponseDocumentStaticFieldBase> staticFields) {
+    public void setStaticFields(
+            @javax.annotation.Nullable List<TemplateResponseDocumentStaticFieldBase> staticFields) {
         this.staticFields = staticFields;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentCustomFieldBase.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentCustomFieldBase.java
index d6c0d010c..f1190eac4 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentCustomFieldBase.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentCustomFieldBase.java
@@ -40,7 +40,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -57,34 +57,34 @@
 })
 public class TemplateResponseDocumentCustomFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type;
+    @javax.annotation.Nonnull private String type;
 
     public static final String JSON_PROPERTY_API_ID = "api_id";
-    private String apiId;
+    @javax.annotation.Nullable private String apiId;
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public static final String JSON_PROPERTY_SIGNER = "signer";
-    private String signer;
+    @javax.annotation.Nullable private String signer;
 
     public static final String JSON_PROPERTY_X = "x";
-    private Integer x;
+    @javax.annotation.Nullable private Integer x;
 
     public static final String JSON_PROPERTY_Y = "y";
-    private Integer y;
+    @javax.annotation.Nullable private Integer y;
 
     public static final String JSON_PROPERTY_WIDTH = "width";
-    private Integer width;
+    @javax.annotation.Nullable private Integer width;
 
     public static final String JSON_PROPERTY_HEIGHT = "height";
-    private Integer height;
+    @javax.annotation.Nullable private Integer height;
 
     public static final String JSON_PROPERTY_REQUIRED = "required";
-    private Boolean required;
+    @javax.annotation.Nullable private Boolean required;
 
     public static final String JSON_PROPERTY_GROUP = "group";
-    private String group;
+    @javax.annotation.Nullable private String group;
 
     public TemplateResponseDocumentCustomFieldBase() {}
 
@@ -105,7 +105,7 @@ public static TemplateResponseDocumentCustomFieldBase init(HashMap data) throws
                         TemplateResponseDocumentCustomFieldBase.class);
     }
 
-    public TemplateResponseDocumentCustomFieldBase type(String type) {
+    public TemplateResponseDocumentCustomFieldBase type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -124,11 +124,11 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public TemplateResponseDocumentCustomFieldBase apiId(String apiId) {
+    public TemplateResponseDocumentCustomFieldBase apiId(@javax.annotation.Nullable String apiId) {
         this.apiId = apiId;
         return this;
     }
@@ -146,11 +146,11 @@ public String getApiId() {
 
     @JsonProperty(JSON_PROPERTY_API_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setApiId(String apiId) {
+    public void setApiId(@javax.annotation.Nullable String apiId) {
         this.apiId = apiId;
     }
 
-    public TemplateResponseDocumentCustomFieldBase name(String name) {
+    public TemplateResponseDocumentCustomFieldBase name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -168,11 +168,12 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
-    public TemplateResponseDocumentCustomFieldBase signer(String signer) {
+    public TemplateResponseDocumentCustomFieldBase signer(
+            @javax.annotation.Nullable String signer) {
         this.signer = signer;
         return this;
     }
@@ -196,7 +197,7 @@ public String getSigner() {
 
     @JsonProperty(JSON_PROPERTY_SIGNER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigner(String signer) {
+    public void setSigner(@javax.annotation.Nullable String signer) {
         this.signer = signer;
     }
 
@@ -204,7 +205,7 @@ public void setSigner(Integer signer) {
         this.signer = String.valueOf(signer);
     }
 
-    public TemplateResponseDocumentCustomFieldBase x(Integer x) {
+    public TemplateResponseDocumentCustomFieldBase x(@javax.annotation.Nullable Integer x) {
         this.x = x;
         return this;
     }
@@ -222,11 +223,11 @@ public Integer getX() {
 
     @JsonProperty(JSON_PROPERTY_X)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setX(Integer x) {
+    public void setX(@javax.annotation.Nullable Integer x) {
         this.x = x;
     }
 
-    public TemplateResponseDocumentCustomFieldBase y(Integer y) {
+    public TemplateResponseDocumentCustomFieldBase y(@javax.annotation.Nullable Integer y) {
         this.y = y;
         return this;
     }
@@ -244,11 +245,11 @@ public Integer getY() {
 
     @JsonProperty(JSON_PROPERTY_Y)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setY(Integer y) {
+    public void setY(@javax.annotation.Nullable Integer y) {
         this.y = y;
     }
 
-    public TemplateResponseDocumentCustomFieldBase width(Integer width) {
+    public TemplateResponseDocumentCustomFieldBase width(@javax.annotation.Nullable Integer width) {
         this.width = width;
         return this;
     }
@@ -266,11 +267,12 @@ public Integer getWidth() {
 
     @JsonProperty(JSON_PROPERTY_WIDTH)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWidth(Integer width) {
+    public void setWidth(@javax.annotation.Nullable Integer width) {
         this.width = width;
     }
 
-    public TemplateResponseDocumentCustomFieldBase height(Integer height) {
+    public TemplateResponseDocumentCustomFieldBase height(
+            @javax.annotation.Nullable Integer height) {
         this.height = height;
         return this;
     }
@@ -288,11 +290,12 @@ public Integer getHeight() {
 
     @JsonProperty(JSON_PROPERTY_HEIGHT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHeight(Integer height) {
+    public void setHeight(@javax.annotation.Nullable Integer height) {
         this.height = height;
     }
 
-    public TemplateResponseDocumentCustomFieldBase required(Boolean required) {
+    public TemplateResponseDocumentCustomFieldBase required(
+            @javax.annotation.Nullable Boolean required) {
         this.required = required;
         return this;
     }
@@ -310,11 +313,11 @@ public Boolean getRequired() {
 
     @JsonProperty(JSON_PROPERTY_REQUIRED)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRequired(Boolean required) {
+    public void setRequired(@javax.annotation.Nullable Boolean required) {
         this.required = required;
     }
 
-    public TemplateResponseDocumentCustomFieldBase group(String group) {
+    public TemplateResponseDocumentCustomFieldBase group(@javax.annotation.Nullable String group) {
         this.group = group;
         return this;
     }
@@ -333,7 +336,7 @@ public String getGroup() {
 
     @JsonProperty(JSON_PROPERTY_GROUP)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setGroup(String group) {
+    public void setGroup(@javax.annotation.Nullable String group) {
         this.group = group;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentCustomFieldCheckbox.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentCustomFieldCheckbox.java
index b11eca50b..ffde88fb2 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentCustomFieldCheckbox.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentCustomFieldCheckbox.java
@@ -28,7 +28,7 @@
 @JsonPropertyOrder({TemplateResponseDocumentCustomFieldCheckbox.JSON_PROPERTY_TYPE})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -40,7 +40,7 @@
 public class TemplateResponseDocumentCustomFieldCheckbox
         extends TemplateResponseDocumentCustomFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "checkbox";
+    @javax.annotation.Nonnull private String type = "checkbox";
 
     public TemplateResponseDocumentCustomFieldCheckbox() {}
 
@@ -62,7 +62,7 @@ public static TemplateResponseDocumentCustomFieldCheckbox init(HashMap data) thr
                         TemplateResponseDocumentCustomFieldCheckbox.class);
     }
 
-    public TemplateResponseDocumentCustomFieldCheckbox type(String type) {
+    public TemplateResponseDocumentCustomFieldCheckbox type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -83,7 +83,7 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentCustomFieldText.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentCustomFieldText.java
index e915dc017..1540bbba5 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentCustomFieldText.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentCustomFieldText.java
@@ -34,7 +34,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -46,19 +46,19 @@
 public class TemplateResponseDocumentCustomFieldText
         extends TemplateResponseDocumentCustomFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "text";
+    @javax.annotation.Nonnull private String type = "text";
 
     public static final String JSON_PROPERTY_AVG_TEXT_LENGTH = "avg_text_length";
-    private TemplateResponseFieldAvgTextLength avgTextLength;
+    @javax.annotation.Nullable private TemplateResponseFieldAvgTextLength avgTextLength;
 
     public static final String JSON_PROPERTY_IS_MULTILINE = "isMultiline";
-    private Boolean isMultiline;
+    @javax.annotation.Nullable private Boolean isMultiline;
 
     public static final String JSON_PROPERTY_ORIGINAL_FONT_SIZE = "originalFontSize";
-    private Integer originalFontSize;
+    @javax.annotation.Nullable private Integer originalFontSize;
 
     public static final String JSON_PROPERTY_FONT_FAMILY = "fontFamily";
-    private String fontFamily;
+    @javax.annotation.Nullable private String fontFamily;
 
     public TemplateResponseDocumentCustomFieldText() {}
 
@@ -79,7 +79,7 @@ public static TemplateResponseDocumentCustomFieldText init(HashMap data) throws
                         TemplateResponseDocumentCustomFieldText.class);
     }
 
-    public TemplateResponseDocumentCustomFieldText type(String type) {
+    public TemplateResponseDocumentCustomFieldText type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -100,12 +100,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
     public TemplateResponseDocumentCustomFieldText avgTextLength(
-            TemplateResponseFieldAvgTextLength avgTextLength) {
+            @javax.annotation.Nullable TemplateResponseFieldAvgTextLength avgTextLength) {
         this.avgTextLength = avgTextLength;
         return this;
     }
@@ -123,11 +123,13 @@ public TemplateResponseFieldAvgTextLength getAvgTextLength() {
 
     @JsonProperty(JSON_PROPERTY_AVG_TEXT_LENGTH)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAvgTextLength(TemplateResponseFieldAvgTextLength avgTextLength) {
+    public void setAvgTextLength(
+            @javax.annotation.Nullable TemplateResponseFieldAvgTextLength avgTextLength) {
         this.avgTextLength = avgTextLength;
     }
 
-    public TemplateResponseDocumentCustomFieldText isMultiline(Boolean isMultiline) {
+    public TemplateResponseDocumentCustomFieldText isMultiline(
+            @javax.annotation.Nullable Boolean isMultiline) {
         this.isMultiline = isMultiline;
         return this;
     }
@@ -145,11 +147,12 @@ public Boolean getIsMultiline() {
 
     @JsonProperty(JSON_PROPERTY_IS_MULTILINE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsMultiline(Boolean isMultiline) {
+    public void setIsMultiline(@javax.annotation.Nullable Boolean isMultiline) {
         this.isMultiline = isMultiline;
     }
 
-    public TemplateResponseDocumentCustomFieldText originalFontSize(Integer originalFontSize) {
+    public TemplateResponseDocumentCustomFieldText originalFontSize(
+            @javax.annotation.Nullable Integer originalFontSize) {
         this.originalFontSize = originalFontSize;
         return this;
     }
@@ -167,11 +170,12 @@ public Integer getOriginalFontSize() {
 
     @JsonProperty(JSON_PROPERTY_ORIGINAL_FONT_SIZE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOriginalFontSize(Integer originalFontSize) {
+    public void setOriginalFontSize(@javax.annotation.Nullable Integer originalFontSize) {
         this.originalFontSize = originalFontSize;
     }
 
-    public TemplateResponseDocumentCustomFieldText fontFamily(String fontFamily) {
+    public TemplateResponseDocumentCustomFieldText fontFamily(
+            @javax.annotation.Nullable String fontFamily) {
         this.fontFamily = fontFamily;
         return this;
     }
@@ -189,7 +193,7 @@ public String getFontFamily() {
 
     @JsonProperty(JSON_PROPERTY_FONT_FAMILY)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFontFamily(String fontFamily) {
+    public void setFontFamily(@javax.annotation.Nullable String fontFamily) {
         this.fontFamily = fontFamily;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFieldGroup.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFieldGroup.java
index 27dd50e83..d7e2969d5 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFieldGroup.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFieldGroup.java
@@ -30,14 +30,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateResponseDocumentFieldGroup {
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public static final String JSON_PROPERTY_RULE = "rule";
-    private TemplateResponseDocumentFieldGroupRule rule;
+    @javax.annotation.Nullable private TemplateResponseDocumentFieldGroupRule rule;
 
     public TemplateResponseDocumentFieldGroup() {}
 
@@ -57,7 +57,7 @@ public static TemplateResponseDocumentFieldGroup init(HashMap data) throws Excep
                         TemplateResponseDocumentFieldGroup.class);
     }
 
-    public TemplateResponseDocumentFieldGroup name(String name) {
+    public TemplateResponseDocumentFieldGroup name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -75,11 +75,12 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
-    public TemplateResponseDocumentFieldGroup rule(TemplateResponseDocumentFieldGroupRule rule) {
+    public TemplateResponseDocumentFieldGroup rule(
+            @javax.annotation.Nullable TemplateResponseDocumentFieldGroupRule rule) {
         this.rule = rule;
         return this;
     }
@@ -97,7 +98,7 @@ public TemplateResponseDocumentFieldGroupRule getRule() {
 
     @JsonProperty(JSON_PROPERTY_RULE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRule(TemplateResponseDocumentFieldGroupRule rule) {
+    public void setRule(@javax.annotation.Nullable TemplateResponseDocumentFieldGroupRule rule) {
         this.rule = rule;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFieldGroupRule.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFieldGroupRule.java
index 0fa796c46..ea499db4b 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFieldGroupRule.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFieldGroupRule.java
@@ -33,14 +33,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateResponseDocumentFieldGroupRule {
     public static final String JSON_PROPERTY_REQUIREMENT = "requirement";
-    private String requirement;
+    @javax.annotation.Nullable private String requirement;
 
     public static final String JSON_PROPERTY_GROUP_LABEL = "groupLabel";
-    private String groupLabel;
+    @javax.annotation.Nullable private String groupLabel;
 
     public TemplateResponseDocumentFieldGroupRule() {}
 
@@ -60,7 +60,8 @@ public static TemplateResponseDocumentFieldGroupRule init(HashMap data) throws E
                         TemplateResponseDocumentFieldGroupRule.class);
     }
 
-    public TemplateResponseDocumentFieldGroupRule requirement(String requirement) {
+    public TemplateResponseDocumentFieldGroupRule requirement(
+            @javax.annotation.Nullable String requirement) {
         this.requirement = requirement;
         return this;
     }
@@ -83,11 +84,12 @@ public String getRequirement() {
 
     @JsonProperty(JSON_PROPERTY_REQUIREMENT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRequirement(String requirement) {
+    public void setRequirement(@javax.annotation.Nullable String requirement) {
         this.requirement = requirement;
     }
 
-    public TemplateResponseDocumentFieldGroupRule groupLabel(String groupLabel) {
+    public TemplateResponseDocumentFieldGroupRule groupLabel(
+            @javax.annotation.Nullable String groupLabel) {
         this.groupLabel = groupLabel;
         return this;
     }
@@ -105,7 +107,7 @@ public String getGroupLabel() {
 
     @JsonProperty(JSON_PROPERTY_GROUP_LABEL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setGroupLabel(String groupLabel) {
+    public void setGroupLabel(@javax.annotation.Nullable String groupLabel) {
         this.groupLabel = groupLabel;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldBase.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldBase.java
index 36940640a..9ab25a45b 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldBase.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldBase.java
@@ -39,7 +39,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -66,31 +66,31 @@
 })
 public class TemplateResponseDocumentFormFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type;
+    @javax.annotation.Nonnull private String type;
 
     public static final String JSON_PROPERTY_API_ID = "api_id";
-    private String apiId;
+    @javax.annotation.Nullable private String apiId;
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public static final String JSON_PROPERTY_SIGNER = "signer";
-    private String signer;
+    @javax.annotation.Nullable private String signer;
 
     public static final String JSON_PROPERTY_X = "x";
-    private Integer x;
+    @javax.annotation.Nullable private Integer x;
 
     public static final String JSON_PROPERTY_Y = "y";
-    private Integer y;
+    @javax.annotation.Nullable private Integer y;
 
     public static final String JSON_PROPERTY_WIDTH = "width";
-    private Integer width;
+    @javax.annotation.Nullable private Integer width;
 
     public static final String JSON_PROPERTY_HEIGHT = "height";
-    private Integer height;
+    @javax.annotation.Nullable private Integer height;
 
     public static final String JSON_PROPERTY_REQUIRED = "required";
-    private Boolean required;
+    @javax.annotation.Nullable private Boolean required;
 
     public TemplateResponseDocumentFormFieldBase() {}
 
@@ -110,7 +110,7 @@ public static TemplateResponseDocumentFormFieldBase init(HashMap data) throws Ex
                         TemplateResponseDocumentFormFieldBase.class);
     }
 
-    public TemplateResponseDocumentFormFieldBase type(String type) {
+    public TemplateResponseDocumentFormFieldBase type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -129,11 +129,11 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public TemplateResponseDocumentFormFieldBase apiId(String apiId) {
+    public TemplateResponseDocumentFormFieldBase apiId(@javax.annotation.Nullable String apiId) {
         this.apiId = apiId;
         return this;
     }
@@ -151,11 +151,11 @@ public String getApiId() {
 
     @JsonProperty(JSON_PROPERTY_API_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setApiId(String apiId) {
+    public void setApiId(@javax.annotation.Nullable String apiId) {
         this.apiId = apiId;
     }
 
-    public TemplateResponseDocumentFormFieldBase name(String name) {
+    public TemplateResponseDocumentFormFieldBase name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -173,11 +173,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
-    public TemplateResponseDocumentFormFieldBase signer(String signer) {
+    public TemplateResponseDocumentFormFieldBase signer(@javax.annotation.Nullable String signer) {
         this.signer = signer;
         return this;
     }
@@ -200,7 +200,7 @@ public String getSigner() {
 
     @JsonProperty(JSON_PROPERTY_SIGNER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigner(String signer) {
+    public void setSigner(@javax.annotation.Nullable String signer) {
         this.signer = signer;
     }
 
@@ -208,7 +208,7 @@ public void setSigner(Integer signer) {
         this.signer = String.valueOf(signer);
     }
 
-    public TemplateResponseDocumentFormFieldBase x(Integer x) {
+    public TemplateResponseDocumentFormFieldBase x(@javax.annotation.Nullable Integer x) {
         this.x = x;
         return this;
     }
@@ -226,11 +226,11 @@ public Integer getX() {
 
     @JsonProperty(JSON_PROPERTY_X)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setX(Integer x) {
+    public void setX(@javax.annotation.Nullable Integer x) {
         this.x = x;
     }
 
-    public TemplateResponseDocumentFormFieldBase y(Integer y) {
+    public TemplateResponseDocumentFormFieldBase y(@javax.annotation.Nullable Integer y) {
         this.y = y;
         return this;
     }
@@ -248,11 +248,11 @@ public Integer getY() {
 
     @JsonProperty(JSON_PROPERTY_Y)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setY(Integer y) {
+    public void setY(@javax.annotation.Nullable Integer y) {
         this.y = y;
     }
 
-    public TemplateResponseDocumentFormFieldBase width(Integer width) {
+    public TemplateResponseDocumentFormFieldBase width(@javax.annotation.Nullable Integer width) {
         this.width = width;
         return this;
     }
@@ -270,11 +270,11 @@ public Integer getWidth() {
 
     @JsonProperty(JSON_PROPERTY_WIDTH)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWidth(Integer width) {
+    public void setWidth(@javax.annotation.Nullable Integer width) {
         this.width = width;
     }
 
-    public TemplateResponseDocumentFormFieldBase height(Integer height) {
+    public TemplateResponseDocumentFormFieldBase height(@javax.annotation.Nullable Integer height) {
         this.height = height;
         return this;
     }
@@ -292,11 +292,12 @@ public Integer getHeight() {
 
     @JsonProperty(JSON_PROPERTY_HEIGHT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHeight(Integer height) {
+    public void setHeight(@javax.annotation.Nullable Integer height) {
         this.height = height;
     }
 
-    public TemplateResponseDocumentFormFieldBase required(Boolean required) {
+    public TemplateResponseDocumentFormFieldBase required(
+            @javax.annotation.Nullable Boolean required) {
         this.required = required;
         return this;
     }
@@ -314,7 +315,7 @@ public Boolean getRequired() {
 
     @JsonProperty(JSON_PROPERTY_REQUIRED)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRequired(Boolean required) {
+    public void setRequired(@javax.annotation.Nullable Boolean required) {
         this.required = required;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldCheckbox.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldCheckbox.java
index b291ffdd8..2e7cc69cf 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldCheckbox.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldCheckbox.java
@@ -31,7 +31,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -43,10 +43,10 @@
 public class TemplateResponseDocumentFormFieldCheckbox
         extends TemplateResponseDocumentFormFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "checkbox";
+    @javax.annotation.Nonnull private String type = "checkbox";
 
     public static final String JSON_PROPERTY_GROUP = "group";
-    private String group;
+    @javax.annotation.Nullable private String group;
 
     public TemplateResponseDocumentFormFieldCheckbox() {}
 
@@ -67,7 +67,7 @@ public static TemplateResponseDocumentFormFieldCheckbox init(HashMap data) throw
                         TemplateResponseDocumentFormFieldCheckbox.class);
     }
 
-    public TemplateResponseDocumentFormFieldCheckbox type(String type) {
+    public TemplateResponseDocumentFormFieldCheckbox type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -94,11 +94,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public TemplateResponseDocumentFormFieldCheckbox group(String group) {
+    public TemplateResponseDocumentFormFieldCheckbox group(
+            @javax.annotation.Nullable String group) {
         this.group = group;
         return this;
     }
@@ -117,7 +118,7 @@ public String getGroup() {
 
     @JsonProperty(JSON_PROPERTY_GROUP)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setGroup(String group) {
+    public void setGroup(@javax.annotation.Nullable String group) {
         this.group = group;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldDateSigned.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldDateSigned.java
index b43906f05..80cfc712f 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldDateSigned.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldDateSigned.java
@@ -31,7 +31,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -43,10 +43,10 @@
 public class TemplateResponseDocumentFormFieldDateSigned
         extends TemplateResponseDocumentFormFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "date_signed";
+    @javax.annotation.Nonnull private String type = "date_signed";
 
     public static final String JSON_PROPERTY_GROUP = "group";
-    private String group;
+    @javax.annotation.Nullable private String group;
 
     public TemplateResponseDocumentFormFieldDateSigned() {}
 
@@ -68,7 +68,7 @@ public static TemplateResponseDocumentFormFieldDateSigned init(HashMap data) thr
                         TemplateResponseDocumentFormFieldDateSigned.class);
     }
 
-    public TemplateResponseDocumentFormFieldDateSigned type(String type) {
+    public TemplateResponseDocumentFormFieldDateSigned type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -95,11 +95,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public TemplateResponseDocumentFormFieldDateSigned group(String group) {
+    public TemplateResponseDocumentFormFieldDateSigned group(
+            @javax.annotation.Nullable String group) {
         this.group = group;
         return this;
     }
@@ -118,7 +119,7 @@ public String getGroup() {
 
     @JsonProperty(JSON_PROPERTY_GROUP)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setGroup(String group) {
+    public void setGroup(@javax.annotation.Nullable String group) {
         this.group = group;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldDropdown.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldDropdown.java
index 1c6289c42..109b3413f 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldDropdown.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldDropdown.java
@@ -31,7 +31,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -43,10 +43,10 @@
 public class TemplateResponseDocumentFormFieldDropdown
         extends TemplateResponseDocumentFormFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "dropdown";
+    @javax.annotation.Nonnull private String type = "dropdown";
 
     public static final String JSON_PROPERTY_GROUP = "group";
-    private String group;
+    @javax.annotation.Nullable private String group;
 
     public TemplateResponseDocumentFormFieldDropdown() {}
 
@@ -67,7 +67,7 @@ public static TemplateResponseDocumentFormFieldDropdown init(HashMap data) throw
                         TemplateResponseDocumentFormFieldDropdown.class);
     }
 
-    public TemplateResponseDocumentFormFieldDropdown type(String type) {
+    public TemplateResponseDocumentFormFieldDropdown type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -94,11 +94,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public TemplateResponseDocumentFormFieldDropdown group(String group) {
+    public TemplateResponseDocumentFormFieldDropdown group(
+            @javax.annotation.Nullable String group) {
         this.group = group;
         return this;
     }
@@ -117,7 +118,7 @@ public String getGroup() {
 
     @JsonProperty(JSON_PROPERTY_GROUP)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setGroup(String group) {
+    public void setGroup(@javax.annotation.Nullable String group) {
         this.group = group;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldHyperlink.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldHyperlink.java
index b2af4e8f9..d1d89de56 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldHyperlink.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldHyperlink.java
@@ -35,7 +35,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -47,22 +47,22 @@
 public class TemplateResponseDocumentFormFieldHyperlink
         extends TemplateResponseDocumentFormFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "hyperlink";
+    @javax.annotation.Nonnull private String type = "hyperlink";
 
     public static final String JSON_PROPERTY_AVG_TEXT_LENGTH = "avg_text_length";
-    private TemplateResponseFieldAvgTextLength avgTextLength;
+    @javax.annotation.Nullable private TemplateResponseFieldAvgTextLength avgTextLength;
 
     public static final String JSON_PROPERTY_IS_MULTILINE = "isMultiline";
-    private Boolean isMultiline;
+    @javax.annotation.Nullable private Boolean isMultiline;
 
     public static final String JSON_PROPERTY_ORIGINAL_FONT_SIZE = "originalFontSize";
-    private Integer originalFontSize;
+    @javax.annotation.Nullable private Integer originalFontSize;
 
     public static final String JSON_PROPERTY_FONT_FAMILY = "fontFamily";
-    private String fontFamily;
+    @javax.annotation.Nullable private String fontFamily;
 
     public static final String JSON_PROPERTY_GROUP = "group";
-    private String group;
+    @javax.annotation.Nullable private String group;
 
     public TemplateResponseDocumentFormFieldHyperlink() {}
 
@@ -84,7 +84,7 @@ public static TemplateResponseDocumentFormFieldHyperlink init(HashMap data) thro
                         TemplateResponseDocumentFormFieldHyperlink.class);
     }
 
-    public TemplateResponseDocumentFormFieldHyperlink type(String type) {
+    public TemplateResponseDocumentFormFieldHyperlink type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -111,12 +111,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
     public TemplateResponseDocumentFormFieldHyperlink avgTextLength(
-            TemplateResponseFieldAvgTextLength avgTextLength) {
+            @javax.annotation.Nullable TemplateResponseFieldAvgTextLength avgTextLength) {
         this.avgTextLength = avgTextLength;
         return this;
     }
@@ -134,11 +134,13 @@ public TemplateResponseFieldAvgTextLength getAvgTextLength() {
 
     @JsonProperty(JSON_PROPERTY_AVG_TEXT_LENGTH)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAvgTextLength(TemplateResponseFieldAvgTextLength avgTextLength) {
+    public void setAvgTextLength(
+            @javax.annotation.Nullable TemplateResponseFieldAvgTextLength avgTextLength) {
         this.avgTextLength = avgTextLength;
     }
 
-    public TemplateResponseDocumentFormFieldHyperlink isMultiline(Boolean isMultiline) {
+    public TemplateResponseDocumentFormFieldHyperlink isMultiline(
+            @javax.annotation.Nullable Boolean isMultiline) {
         this.isMultiline = isMultiline;
         return this;
     }
@@ -156,11 +158,12 @@ public Boolean getIsMultiline() {
 
     @JsonProperty(JSON_PROPERTY_IS_MULTILINE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsMultiline(Boolean isMultiline) {
+    public void setIsMultiline(@javax.annotation.Nullable Boolean isMultiline) {
         this.isMultiline = isMultiline;
     }
 
-    public TemplateResponseDocumentFormFieldHyperlink originalFontSize(Integer originalFontSize) {
+    public TemplateResponseDocumentFormFieldHyperlink originalFontSize(
+            @javax.annotation.Nullable Integer originalFontSize) {
         this.originalFontSize = originalFontSize;
         return this;
     }
@@ -178,11 +181,12 @@ public Integer getOriginalFontSize() {
 
     @JsonProperty(JSON_PROPERTY_ORIGINAL_FONT_SIZE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOriginalFontSize(Integer originalFontSize) {
+    public void setOriginalFontSize(@javax.annotation.Nullable Integer originalFontSize) {
         this.originalFontSize = originalFontSize;
     }
 
-    public TemplateResponseDocumentFormFieldHyperlink fontFamily(String fontFamily) {
+    public TemplateResponseDocumentFormFieldHyperlink fontFamily(
+            @javax.annotation.Nullable String fontFamily) {
         this.fontFamily = fontFamily;
         return this;
     }
@@ -200,11 +204,12 @@ public String getFontFamily() {
 
     @JsonProperty(JSON_PROPERTY_FONT_FAMILY)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFontFamily(String fontFamily) {
+    public void setFontFamily(@javax.annotation.Nullable String fontFamily) {
         this.fontFamily = fontFamily;
     }
 
-    public TemplateResponseDocumentFormFieldHyperlink group(String group) {
+    public TemplateResponseDocumentFormFieldHyperlink group(
+            @javax.annotation.Nullable String group) {
         this.group = group;
         return this;
     }
@@ -223,7 +228,7 @@ public String getGroup() {
 
     @JsonProperty(JSON_PROPERTY_GROUP)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setGroup(String group) {
+    public void setGroup(@javax.annotation.Nullable String group) {
         this.group = group;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldInitials.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldInitials.java
index 17bc3553e..6e0f78592 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldInitials.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldInitials.java
@@ -31,7 +31,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -43,10 +43,10 @@
 public class TemplateResponseDocumentFormFieldInitials
         extends TemplateResponseDocumentFormFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "initials";
+    @javax.annotation.Nonnull private String type = "initials";
 
     public static final String JSON_PROPERTY_GROUP = "group";
-    private String group;
+    @javax.annotation.Nullable private String group;
 
     public TemplateResponseDocumentFormFieldInitials() {}
 
@@ -67,7 +67,7 @@ public static TemplateResponseDocumentFormFieldInitials init(HashMap data) throw
                         TemplateResponseDocumentFormFieldInitials.class);
     }
 
-    public TemplateResponseDocumentFormFieldInitials type(String type) {
+    public TemplateResponseDocumentFormFieldInitials type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -94,11 +94,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public TemplateResponseDocumentFormFieldInitials group(String group) {
+    public TemplateResponseDocumentFormFieldInitials group(
+            @javax.annotation.Nullable String group) {
         this.group = group;
         return this;
     }
@@ -117,7 +118,7 @@ public String getGroup() {
 
     @JsonProperty(JSON_PROPERTY_GROUP)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setGroup(String group) {
+    public void setGroup(@javax.annotation.Nullable String group) {
         this.group = group;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldRadio.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldRadio.java
index 75b7a72ad..0ff1b8a4b 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldRadio.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldRadio.java
@@ -31,7 +31,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -42,10 +42,10 @@
         visible = true)
 public class TemplateResponseDocumentFormFieldRadio extends TemplateResponseDocumentFormFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "radio";
+    @javax.annotation.Nonnull private String type = "radio";
 
     public static final String JSON_PROPERTY_GROUP = "group";
-    private String group;
+    @javax.annotation.Nonnull private String group;
 
     public TemplateResponseDocumentFormFieldRadio() {}
 
@@ -65,7 +65,7 @@ public static TemplateResponseDocumentFormFieldRadio init(HashMap data) throws E
                         TemplateResponseDocumentFormFieldRadio.class);
     }
 
-    public TemplateResponseDocumentFormFieldRadio type(String type) {
+    public TemplateResponseDocumentFormFieldRadio type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -92,11 +92,11 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public TemplateResponseDocumentFormFieldRadio group(String group) {
+    public TemplateResponseDocumentFormFieldRadio group(@javax.annotation.Nonnull String group) {
         this.group = group;
         return this;
     }
@@ -116,7 +116,7 @@ public String getGroup() {
 
     @JsonProperty(JSON_PROPERTY_GROUP)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setGroup(String group) {
+    public void setGroup(@javax.annotation.Nonnull String group) {
         this.group = group;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldSignature.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldSignature.java
index 15630a485..53e1b3776 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldSignature.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldSignature.java
@@ -31,7 +31,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -43,10 +43,10 @@
 public class TemplateResponseDocumentFormFieldSignature
         extends TemplateResponseDocumentFormFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "signature";
+    @javax.annotation.Nonnull private String type = "signature";
 
     public static final String JSON_PROPERTY_GROUP = "group";
-    private String group;
+    @javax.annotation.Nullable private String group;
 
     public TemplateResponseDocumentFormFieldSignature() {}
 
@@ -68,7 +68,7 @@ public static TemplateResponseDocumentFormFieldSignature init(HashMap data) thro
                         TemplateResponseDocumentFormFieldSignature.class);
     }
 
-    public TemplateResponseDocumentFormFieldSignature type(String type) {
+    public TemplateResponseDocumentFormFieldSignature type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -95,11 +95,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public TemplateResponseDocumentFormFieldSignature group(String group) {
+    public TemplateResponseDocumentFormFieldSignature group(
+            @javax.annotation.Nullable String group) {
         this.group = group;
         return this;
     }
@@ -118,7 +119,7 @@ public String getGroup() {
 
     @JsonProperty(JSON_PROPERTY_GROUP)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setGroup(String group) {
+    public void setGroup(@javax.annotation.Nullable String group) {
         this.group = group;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldText.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldText.java
index dbb22a6d1..353bd8941 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldText.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentFormFieldText.java
@@ -38,7 +38,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -49,19 +49,19 @@
         visible = true)
 public class TemplateResponseDocumentFormFieldText extends TemplateResponseDocumentFormFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "text";
+    @javax.annotation.Nonnull private String type = "text";
 
     public static final String JSON_PROPERTY_AVG_TEXT_LENGTH = "avg_text_length";
-    private TemplateResponseFieldAvgTextLength avgTextLength;
+    @javax.annotation.Nullable private TemplateResponseFieldAvgTextLength avgTextLength;
 
     public static final String JSON_PROPERTY_IS_MULTILINE = "isMultiline";
-    private Boolean isMultiline;
+    @javax.annotation.Nullable private Boolean isMultiline;
 
     public static final String JSON_PROPERTY_ORIGINAL_FONT_SIZE = "originalFontSize";
-    private Integer originalFontSize;
+    @javax.annotation.Nullable private Integer originalFontSize;
 
     public static final String JSON_PROPERTY_FONT_FAMILY = "fontFamily";
-    private String fontFamily;
+    @javax.annotation.Nullable private String fontFamily;
 
     /**
      * Each text field may contain a &#x60;validation_type&#x60; parameter. Check out the list of
@@ -69,25 +69,25 @@ public class TemplateResponseDocumentFormFieldText extends TemplateResponseDocum
      * the possible values.
      */
     public enum ValidationTypeEnum {
-        NUMBERS_ONLY("numbers_only"),
+        NUMBERS_ONLY(String.valueOf("numbers_only")),
 
-        LETTERS_ONLY("letters_only"),
+        LETTERS_ONLY(String.valueOf("letters_only")),
 
-        PHONE_NUMBER("phone_number"),
+        PHONE_NUMBER(String.valueOf("phone_number")),
 
-        BANK_ROUTING_NUMBER("bank_routing_number"),
+        BANK_ROUTING_NUMBER(String.valueOf("bank_routing_number")),
 
-        BANK_ACCOUNT_NUMBER("bank_account_number"),
+        BANK_ACCOUNT_NUMBER(String.valueOf("bank_account_number")),
 
-        EMAIL_ADDRESS("email_address"),
+        EMAIL_ADDRESS(String.valueOf("email_address")),
 
-        ZIP_CODE("zip_code"),
+        ZIP_CODE(String.valueOf("zip_code")),
 
-        SOCIAL_SECURITY_NUMBER("social_security_number"),
+        SOCIAL_SECURITY_NUMBER(String.valueOf("social_security_number")),
 
-        EMPLOYER_IDENTIFICATION_NUMBER("employer_identification_number"),
+        EMPLOYER_IDENTIFICATION_NUMBER(String.valueOf("employer_identification_number")),
 
-        CUSTOM_REGEX("custom_regex");
+        CUSTOM_REGEX(String.valueOf("custom_regex"));
 
         private String value;
 
@@ -117,10 +117,10 @@ public static ValidationTypeEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_VALIDATION_TYPE = "validation_type";
-    private ValidationTypeEnum validationType;
+    @javax.annotation.Nullable private ValidationTypeEnum validationType;
 
     public static final String JSON_PROPERTY_GROUP = "group";
-    private String group;
+    @javax.annotation.Nullable private String group;
 
     public TemplateResponseDocumentFormFieldText() {}
 
@@ -140,7 +140,7 @@ public static TemplateResponseDocumentFormFieldText init(HashMap data) throws Ex
                         TemplateResponseDocumentFormFieldText.class);
     }
 
-    public TemplateResponseDocumentFormFieldText type(String type) {
+    public TemplateResponseDocumentFormFieldText type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -167,12 +167,12 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
     public TemplateResponseDocumentFormFieldText avgTextLength(
-            TemplateResponseFieldAvgTextLength avgTextLength) {
+            @javax.annotation.Nullable TemplateResponseFieldAvgTextLength avgTextLength) {
         this.avgTextLength = avgTextLength;
         return this;
     }
@@ -190,11 +190,13 @@ public TemplateResponseFieldAvgTextLength getAvgTextLength() {
 
     @JsonProperty(JSON_PROPERTY_AVG_TEXT_LENGTH)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAvgTextLength(TemplateResponseFieldAvgTextLength avgTextLength) {
+    public void setAvgTextLength(
+            @javax.annotation.Nullable TemplateResponseFieldAvgTextLength avgTextLength) {
         this.avgTextLength = avgTextLength;
     }
 
-    public TemplateResponseDocumentFormFieldText isMultiline(Boolean isMultiline) {
+    public TemplateResponseDocumentFormFieldText isMultiline(
+            @javax.annotation.Nullable Boolean isMultiline) {
         this.isMultiline = isMultiline;
         return this;
     }
@@ -212,11 +214,12 @@ public Boolean getIsMultiline() {
 
     @JsonProperty(JSON_PROPERTY_IS_MULTILINE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsMultiline(Boolean isMultiline) {
+    public void setIsMultiline(@javax.annotation.Nullable Boolean isMultiline) {
         this.isMultiline = isMultiline;
     }
 
-    public TemplateResponseDocumentFormFieldText originalFontSize(Integer originalFontSize) {
+    public TemplateResponseDocumentFormFieldText originalFontSize(
+            @javax.annotation.Nullable Integer originalFontSize) {
         this.originalFontSize = originalFontSize;
         return this;
     }
@@ -234,11 +237,12 @@ public Integer getOriginalFontSize() {
 
     @JsonProperty(JSON_PROPERTY_ORIGINAL_FONT_SIZE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOriginalFontSize(Integer originalFontSize) {
+    public void setOriginalFontSize(@javax.annotation.Nullable Integer originalFontSize) {
         this.originalFontSize = originalFontSize;
     }
 
-    public TemplateResponseDocumentFormFieldText fontFamily(String fontFamily) {
+    public TemplateResponseDocumentFormFieldText fontFamily(
+            @javax.annotation.Nullable String fontFamily) {
         this.fontFamily = fontFamily;
         return this;
     }
@@ -256,11 +260,12 @@ public String getFontFamily() {
 
     @JsonProperty(JSON_PROPERTY_FONT_FAMILY)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFontFamily(String fontFamily) {
+    public void setFontFamily(@javax.annotation.Nullable String fontFamily) {
         this.fontFamily = fontFamily;
     }
 
-    public TemplateResponseDocumentFormFieldText validationType(ValidationTypeEnum validationType) {
+    public TemplateResponseDocumentFormFieldText validationType(
+            @javax.annotation.Nullable ValidationTypeEnum validationType) {
         this.validationType = validationType;
         return this;
     }
@@ -280,11 +285,11 @@ public ValidationTypeEnum getValidationType() {
 
     @JsonProperty(JSON_PROPERTY_VALIDATION_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setValidationType(ValidationTypeEnum validationType) {
+    public void setValidationType(@javax.annotation.Nullable ValidationTypeEnum validationType) {
         this.validationType = validationType;
     }
 
-    public TemplateResponseDocumentFormFieldText group(String group) {
+    public TemplateResponseDocumentFormFieldText group(@javax.annotation.Nullable String group) {
         this.group = group;
         return this;
     }
@@ -303,7 +308,7 @@ public String getGroup() {
 
     @JsonProperty(JSON_PROPERTY_GROUP)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setGroup(String group) {
+    public void setGroup(@javax.annotation.Nullable String group) {
         this.group = group;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldBase.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldBase.java
index 164ee218b..6a2ae2ce6 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldBase.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldBase.java
@@ -42,7 +42,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -75,34 +75,34 @@
 })
 public class TemplateResponseDocumentStaticFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type;
+    @javax.annotation.Nonnull private String type;
 
     public static final String JSON_PROPERTY_API_ID = "api_id";
-    private String apiId;
+    @javax.annotation.Nullable private String apiId;
 
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public static final String JSON_PROPERTY_SIGNER = "signer";
-    private String signer = "me_now";
+    @javax.annotation.Nullable private String signer = "me_now";
 
     public static final String JSON_PROPERTY_X = "x";
-    private Integer x;
+    @javax.annotation.Nullable private Integer x;
 
     public static final String JSON_PROPERTY_Y = "y";
-    private Integer y;
+    @javax.annotation.Nullable private Integer y;
 
     public static final String JSON_PROPERTY_WIDTH = "width";
-    private Integer width;
+    @javax.annotation.Nullable private Integer width;
 
     public static final String JSON_PROPERTY_HEIGHT = "height";
-    private Integer height;
+    @javax.annotation.Nullable private Integer height;
 
     public static final String JSON_PROPERTY_REQUIRED = "required";
-    private Boolean required;
+    @javax.annotation.Nullable private Boolean required;
 
     public static final String JSON_PROPERTY_GROUP = "group";
-    private String group;
+    @javax.annotation.Nullable private String group;
 
     public TemplateResponseDocumentStaticFieldBase() {}
 
@@ -123,7 +123,7 @@ public static TemplateResponseDocumentStaticFieldBase init(HashMap data) throws
                         TemplateResponseDocumentStaticFieldBase.class);
     }
 
-    public TemplateResponseDocumentStaticFieldBase type(String type) {
+    public TemplateResponseDocumentStaticFieldBase type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -142,11 +142,11 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
-    public TemplateResponseDocumentStaticFieldBase apiId(String apiId) {
+    public TemplateResponseDocumentStaticFieldBase apiId(@javax.annotation.Nullable String apiId) {
         this.apiId = apiId;
         return this;
     }
@@ -164,11 +164,11 @@ public String getApiId() {
 
     @JsonProperty(JSON_PROPERTY_API_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setApiId(String apiId) {
+    public void setApiId(@javax.annotation.Nullable String apiId) {
         this.apiId = apiId;
     }
 
-    public TemplateResponseDocumentStaticFieldBase name(String name) {
+    public TemplateResponseDocumentStaticFieldBase name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -186,11 +186,12 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
-    public TemplateResponseDocumentStaticFieldBase signer(String signer) {
+    public TemplateResponseDocumentStaticFieldBase signer(
+            @javax.annotation.Nullable String signer) {
         this.signer = signer;
         return this;
     }
@@ -208,11 +209,11 @@ public String getSigner() {
 
     @JsonProperty(JSON_PROPERTY_SIGNER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigner(String signer) {
+    public void setSigner(@javax.annotation.Nullable String signer) {
         this.signer = signer;
     }
 
-    public TemplateResponseDocumentStaticFieldBase x(Integer x) {
+    public TemplateResponseDocumentStaticFieldBase x(@javax.annotation.Nullable Integer x) {
         this.x = x;
         return this;
     }
@@ -230,11 +231,11 @@ public Integer getX() {
 
     @JsonProperty(JSON_PROPERTY_X)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setX(Integer x) {
+    public void setX(@javax.annotation.Nullable Integer x) {
         this.x = x;
     }
 
-    public TemplateResponseDocumentStaticFieldBase y(Integer y) {
+    public TemplateResponseDocumentStaticFieldBase y(@javax.annotation.Nullable Integer y) {
         this.y = y;
         return this;
     }
@@ -252,11 +253,11 @@ public Integer getY() {
 
     @JsonProperty(JSON_PROPERTY_Y)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setY(Integer y) {
+    public void setY(@javax.annotation.Nullable Integer y) {
         this.y = y;
     }
 
-    public TemplateResponseDocumentStaticFieldBase width(Integer width) {
+    public TemplateResponseDocumentStaticFieldBase width(@javax.annotation.Nullable Integer width) {
         this.width = width;
         return this;
     }
@@ -274,11 +275,12 @@ public Integer getWidth() {
 
     @JsonProperty(JSON_PROPERTY_WIDTH)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWidth(Integer width) {
+    public void setWidth(@javax.annotation.Nullable Integer width) {
         this.width = width;
     }
 
-    public TemplateResponseDocumentStaticFieldBase height(Integer height) {
+    public TemplateResponseDocumentStaticFieldBase height(
+            @javax.annotation.Nullable Integer height) {
         this.height = height;
         return this;
     }
@@ -296,11 +298,12 @@ public Integer getHeight() {
 
     @JsonProperty(JSON_PROPERTY_HEIGHT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHeight(Integer height) {
+    public void setHeight(@javax.annotation.Nullable Integer height) {
         this.height = height;
     }
 
-    public TemplateResponseDocumentStaticFieldBase required(Boolean required) {
+    public TemplateResponseDocumentStaticFieldBase required(
+            @javax.annotation.Nullable Boolean required) {
         this.required = required;
         return this;
     }
@@ -318,11 +321,11 @@ public Boolean getRequired() {
 
     @JsonProperty(JSON_PROPERTY_REQUIRED)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRequired(Boolean required) {
+    public void setRequired(@javax.annotation.Nullable Boolean required) {
         this.required = required;
     }
 
-    public TemplateResponseDocumentStaticFieldBase group(String group) {
+    public TemplateResponseDocumentStaticFieldBase group(@javax.annotation.Nullable String group) {
         this.group = group;
         return this;
     }
@@ -341,7 +344,7 @@ public String getGroup() {
 
     @JsonProperty(JSON_PROPERTY_GROUP)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setGroup(String group) {
+    public void setGroup(@javax.annotation.Nullable String group) {
         this.group = group;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldCheckbox.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldCheckbox.java
index 774abc3a2..97294dd19 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldCheckbox.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldCheckbox.java
@@ -28,7 +28,7 @@
 @JsonPropertyOrder({TemplateResponseDocumentStaticFieldCheckbox.JSON_PROPERTY_TYPE})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -40,7 +40,7 @@
 public class TemplateResponseDocumentStaticFieldCheckbox
         extends TemplateResponseDocumentStaticFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "checkbox";
+    @javax.annotation.Nonnull private String type = "checkbox";
 
     public TemplateResponseDocumentStaticFieldCheckbox() {}
 
@@ -62,7 +62,7 @@ public static TemplateResponseDocumentStaticFieldCheckbox init(HashMap data) thr
                         TemplateResponseDocumentStaticFieldCheckbox.class);
     }
 
-    public TemplateResponseDocumentStaticFieldCheckbox type(String type) {
+    public TemplateResponseDocumentStaticFieldCheckbox type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -89,7 +89,7 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldDateSigned.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldDateSigned.java
index d0674f84a..3a42fbb7b 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldDateSigned.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldDateSigned.java
@@ -28,7 +28,7 @@
 @JsonPropertyOrder({TemplateResponseDocumentStaticFieldDateSigned.JSON_PROPERTY_TYPE})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -40,7 +40,7 @@
 public class TemplateResponseDocumentStaticFieldDateSigned
         extends TemplateResponseDocumentStaticFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "date_signed";
+    @javax.annotation.Nonnull private String type = "date_signed";
 
     public TemplateResponseDocumentStaticFieldDateSigned() {}
 
@@ -63,7 +63,8 @@ public static TemplateResponseDocumentStaticFieldDateSigned init(HashMap data)
                         TemplateResponseDocumentStaticFieldDateSigned.class);
     }
 
-    public TemplateResponseDocumentStaticFieldDateSigned type(String type) {
+    public TemplateResponseDocumentStaticFieldDateSigned type(
+            @javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -90,7 +91,7 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldDropdown.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldDropdown.java
index 343de411d..ba9fc8e2d 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldDropdown.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldDropdown.java
@@ -28,7 +28,7 @@
 @JsonPropertyOrder({TemplateResponseDocumentStaticFieldDropdown.JSON_PROPERTY_TYPE})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -40,7 +40,7 @@
 public class TemplateResponseDocumentStaticFieldDropdown
         extends TemplateResponseDocumentStaticFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "dropdown";
+    @javax.annotation.Nonnull private String type = "dropdown";
 
     public TemplateResponseDocumentStaticFieldDropdown() {}
 
@@ -62,7 +62,7 @@ public static TemplateResponseDocumentStaticFieldDropdown init(HashMap data) thr
                         TemplateResponseDocumentStaticFieldDropdown.class);
     }
 
-    public TemplateResponseDocumentStaticFieldDropdown type(String type) {
+    public TemplateResponseDocumentStaticFieldDropdown type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -89,7 +89,7 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldHyperlink.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldHyperlink.java
index 15267904e..29052c92c 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldHyperlink.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldHyperlink.java
@@ -28,7 +28,7 @@
 @JsonPropertyOrder({TemplateResponseDocumentStaticFieldHyperlink.JSON_PROPERTY_TYPE})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -40,7 +40,7 @@
 public class TemplateResponseDocumentStaticFieldHyperlink
         extends TemplateResponseDocumentStaticFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "hyperlink";
+    @javax.annotation.Nonnull private String type = "hyperlink";
 
     public TemplateResponseDocumentStaticFieldHyperlink() {}
 
@@ -62,7 +62,8 @@ public static TemplateResponseDocumentStaticFieldHyperlink init(HashMap data) th
                         TemplateResponseDocumentStaticFieldHyperlink.class);
     }
 
-    public TemplateResponseDocumentStaticFieldHyperlink type(String type) {
+    public TemplateResponseDocumentStaticFieldHyperlink type(
+            @javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -89,7 +90,7 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldInitials.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldInitials.java
index 01f42023a..bd5c5f0e5 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldInitials.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldInitials.java
@@ -28,7 +28,7 @@
 @JsonPropertyOrder({TemplateResponseDocumentStaticFieldInitials.JSON_PROPERTY_TYPE})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -40,7 +40,7 @@
 public class TemplateResponseDocumentStaticFieldInitials
         extends TemplateResponseDocumentStaticFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "initials";
+    @javax.annotation.Nonnull private String type = "initials";
 
     public TemplateResponseDocumentStaticFieldInitials() {}
 
@@ -62,7 +62,7 @@ public static TemplateResponseDocumentStaticFieldInitials init(HashMap data) thr
                         TemplateResponseDocumentStaticFieldInitials.class);
     }
 
-    public TemplateResponseDocumentStaticFieldInitials type(String type) {
+    public TemplateResponseDocumentStaticFieldInitials type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -89,7 +89,7 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldRadio.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldRadio.java
index c1c658d13..3b0590111 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldRadio.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldRadio.java
@@ -28,7 +28,7 @@
 @JsonPropertyOrder({TemplateResponseDocumentStaticFieldRadio.JSON_PROPERTY_TYPE})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -40,7 +40,7 @@
 public class TemplateResponseDocumentStaticFieldRadio
         extends TemplateResponseDocumentStaticFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "radio";
+    @javax.annotation.Nonnull private String type = "radio";
 
     public TemplateResponseDocumentStaticFieldRadio() {}
 
@@ -61,7 +61,7 @@ public static TemplateResponseDocumentStaticFieldRadio init(HashMap data) throws
                         TemplateResponseDocumentStaticFieldRadio.class);
     }
 
-    public TemplateResponseDocumentStaticFieldRadio type(String type) {
+    public TemplateResponseDocumentStaticFieldRadio type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -88,7 +88,7 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldSignature.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldSignature.java
index 3fd603737..cd319353d 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldSignature.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldSignature.java
@@ -28,7 +28,7 @@
 @JsonPropertyOrder({TemplateResponseDocumentStaticFieldSignature.JSON_PROPERTY_TYPE})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -40,7 +40,7 @@
 public class TemplateResponseDocumentStaticFieldSignature
         extends TemplateResponseDocumentStaticFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "signature";
+    @javax.annotation.Nonnull private String type = "signature";
 
     public TemplateResponseDocumentStaticFieldSignature() {}
 
@@ -62,7 +62,8 @@ public static TemplateResponseDocumentStaticFieldSignature init(HashMap data) th
                         TemplateResponseDocumentStaticFieldSignature.class);
     }
 
-    public TemplateResponseDocumentStaticFieldSignature type(String type) {
+    public TemplateResponseDocumentStaticFieldSignature type(
+            @javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -89,7 +90,7 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldText.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldText.java
index e8f17977b..ca3d5682c 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldText.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseDocumentStaticFieldText.java
@@ -28,7 +28,7 @@
 @JsonPropertyOrder({TemplateResponseDocumentStaticFieldText.JSON_PROPERTY_TYPE})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(
         allowSetters = true, // allows the type to be set during deserialization
         ignoreUnknown = true)
@@ -40,7 +40,7 @@
 public class TemplateResponseDocumentStaticFieldText
         extends TemplateResponseDocumentStaticFieldBase {
     public static final String JSON_PROPERTY_TYPE = "type";
-    private String type = "text";
+    @javax.annotation.Nonnull private String type = "text";
 
     public TemplateResponseDocumentStaticFieldText() {}
 
@@ -61,7 +61,7 @@ public static TemplateResponseDocumentStaticFieldText init(HashMap data) throws
                         TemplateResponseDocumentStaticFieldText.class);
     }
 
-    public TemplateResponseDocumentStaticFieldText type(String type) {
+    public TemplateResponseDocumentStaticFieldText type(@javax.annotation.Nonnull String type) {
         this.type = type;
         return this;
     }
@@ -88,7 +88,7 @@ public String getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(String type) {
+    public void setType(@javax.annotation.Nonnull String type) {
         this.type = type;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseFieldAvgTextLength.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseFieldAvgTextLength.java
index b5a9afb52..9c0fca40a 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseFieldAvgTextLength.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseFieldAvgTextLength.java
@@ -30,14 +30,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateResponseFieldAvgTextLength {
     public static final String JSON_PROPERTY_NUM_LINES = "num_lines";
-    private Integer numLines;
+    @javax.annotation.Nullable private Integer numLines;
 
     public static final String JSON_PROPERTY_NUM_CHARS_PER_LINE = "num_chars_per_line";
-    private Integer numCharsPerLine;
+    @javax.annotation.Nullable private Integer numCharsPerLine;
 
     public TemplateResponseFieldAvgTextLength() {}
 
@@ -57,7 +57,8 @@ public static TemplateResponseFieldAvgTextLength init(HashMap data) throws Excep
                         TemplateResponseFieldAvgTextLength.class);
     }
 
-    public TemplateResponseFieldAvgTextLength numLines(Integer numLines) {
+    public TemplateResponseFieldAvgTextLength numLines(
+            @javax.annotation.Nullable Integer numLines) {
         this.numLines = numLines;
         return this;
     }
@@ -75,11 +76,12 @@ public Integer getNumLines() {
 
     @JsonProperty(JSON_PROPERTY_NUM_LINES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setNumLines(Integer numLines) {
+    public void setNumLines(@javax.annotation.Nullable Integer numLines) {
         this.numLines = numLines;
     }
 
-    public TemplateResponseFieldAvgTextLength numCharsPerLine(Integer numCharsPerLine) {
+    public TemplateResponseFieldAvgTextLength numCharsPerLine(
+            @javax.annotation.Nullable Integer numCharsPerLine) {
         this.numCharsPerLine = numCharsPerLine;
         return this;
     }
@@ -97,7 +99,7 @@ public Integer getNumCharsPerLine() {
 
     @JsonProperty(JSON_PROPERTY_NUM_CHARS_PER_LINE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setNumCharsPerLine(Integer numCharsPerLine) {
+    public void setNumCharsPerLine(@javax.annotation.Nullable Integer numCharsPerLine) {
         this.numCharsPerLine = numCharsPerLine;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseSignerRole.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseSignerRole.java
index 4724f47e5..b313ab8d8 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseSignerRole.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateResponseSignerRole.java
@@ -30,14 +30,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateResponseSignerRole {
     public static final String JSON_PROPERTY_NAME = "name";
-    private String name;
+    @javax.annotation.Nullable private String name;
 
     public static final String JSON_PROPERTY_ORDER = "order";
-    private Integer order;
+    @javax.annotation.Nullable private Integer order;
 
     public TemplateResponseSignerRole() {}
 
@@ -57,7 +57,7 @@ public static TemplateResponseSignerRole init(HashMap data) throws Exception {
                         TemplateResponseSignerRole.class);
     }
 
-    public TemplateResponseSignerRole name(String name) {
+    public TemplateResponseSignerRole name(@javax.annotation.Nullable String name) {
         this.name = name;
         return this;
     }
@@ -75,11 +75,11 @@ public String getName() {
 
     @JsonProperty(JSON_PROPERTY_NAME)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setName(String name) {
+    public void setName(@javax.annotation.Nullable String name) {
         this.name = name;
     }
 
-    public TemplateResponseSignerRole order(Integer order) {
+    public TemplateResponseSignerRole order(@javax.annotation.Nullable Integer order) {
         this.order = order;
         return this;
     }
@@ -97,7 +97,7 @@ public Integer getOrder() {
 
     @JsonProperty(JSON_PROPERTY_ORDER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setOrder(Integer order) {
+    public void setOrder(@javax.annotation.Nullable Integer order) {
         this.order = order;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateUpdateFilesRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateUpdateFilesRequest.java
index 6404a95aa..d1720e7ef 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateUpdateFilesRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateUpdateFilesRequest.java
@@ -37,26 +37,26 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateUpdateFilesRequest {
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nullable private String clientId;
 
     public static final String JSON_PROPERTY_FILES = "files";
-    private List<File> files = null;
+    @javax.annotation.Nullable private List<File> files = null;
 
     public static final String JSON_PROPERTY_FILE_URLS = "file_urls";
-    private List<String> fileUrls = null;
+    @javax.annotation.Nullable private List<String> fileUrls = null;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public TemplateUpdateFilesRequest() {}
 
@@ -76,7 +76,7 @@ public static TemplateUpdateFilesRequest init(HashMap data) throws Exception {
                         TemplateUpdateFilesRequest.class);
     }
 
-    public TemplateUpdateFilesRequest clientId(String clientId) {
+    public TemplateUpdateFilesRequest clientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -94,11 +94,11 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
     }
 
-    public TemplateUpdateFilesRequest files(List<File> files) {
+    public TemplateUpdateFilesRequest files(@javax.annotation.Nullable List<File> files) {
         this.files = files;
         return this;
     }
@@ -125,11 +125,11 @@ public List<File> getFiles() {
 
     @JsonProperty(JSON_PROPERTY_FILES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFiles(List<File> files) {
+    public void setFiles(@javax.annotation.Nullable List<File> files) {
         this.files = files;
     }
 
-    public TemplateUpdateFilesRequest fileUrls(List<String> fileUrls) {
+    public TemplateUpdateFilesRequest fileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
         return this;
     }
@@ -156,11 +156,11 @@ public List<String> getFileUrls() {
 
     @JsonProperty(JSON_PROPERTY_FILE_URLS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFileUrls(List<String> fileUrls) {
+    public void setFileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
     }
 
-    public TemplateUpdateFilesRequest message(String message) {
+    public TemplateUpdateFilesRequest message(@javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -178,11 +178,11 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public TemplateUpdateFilesRequest subject(String subject) {
+    public TemplateUpdateFilesRequest subject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -200,11 +200,11 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public TemplateUpdateFilesRequest testMode(Boolean testMode) {
+    public TemplateUpdateFilesRequest testMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -223,7 +223,7 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateUpdateFilesResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateUpdateFilesResponse.java
index 396c7548f..be84c8a80 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateUpdateFilesResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateUpdateFilesResponse.java
@@ -27,11 +27,11 @@
 @JsonPropertyOrder({TemplateUpdateFilesResponse.JSON_PROPERTY_TEMPLATE})
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateUpdateFilesResponse {
     public static final String JSON_PROPERTY_TEMPLATE = "template";
-    private TemplateUpdateFilesResponseTemplate template;
+    @javax.annotation.Nonnull private TemplateUpdateFilesResponseTemplate template;
 
     public TemplateUpdateFilesResponse() {}
 
@@ -51,7 +51,8 @@ public static TemplateUpdateFilesResponse init(HashMap data) throws Exception {
                         TemplateUpdateFilesResponse.class);
     }
 
-    public TemplateUpdateFilesResponse template(TemplateUpdateFilesResponseTemplate template) {
+    public TemplateUpdateFilesResponse template(
+            @javax.annotation.Nonnull TemplateUpdateFilesResponseTemplate template) {
         this.template = template;
         return this;
     }
@@ -70,7 +71,8 @@ public TemplateUpdateFilesResponseTemplate getTemplate() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTemplate(TemplateUpdateFilesResponseTemplate template) {
+    public void setTemplate(
+            @javax.annotation.Nonnull TemplateUpdateFilesResponseTemplate template) {
         this.template = template;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateUpdateFilesResponseTemplate.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateUpdateFilesResponseTemplate.java
index 08f0784e7..26fa213ca 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateUpdateFilesResponseTemplate.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/TemplateUpdateFilesResponseTemplate.java
@@ -32,14 +32,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TemplateUpdateFilesResponseTemplate {
     public static final String JSON_PROPERTY_TEMPLATE_ID = "template_id";
-    private String templateId;
+    @javax.annotation.Nullable private String templateId;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    @Deprecated private List<WarningResponse> warnings = null;
+    @Deprecated @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public TemplateUpdateFilesResponseTemplate() {}
 
@@ -59,7 +59,8 @@ public static TemplateUpdateFilesResponseTemplate init(HashMap data) throws Exce
                         TemplateUpdateFilesResponseTemplate.class);
     }
 
-    public TemplateUpdateFilesResponseTemplate templateId(String templateId) {
+    public TemplateUpdateFilesResponseTemplate templateId(
+            @javax.annotation.Nullable String templateId) {
         this.templateId = templateId;
         return this;
     }
@@ -77,12 +78,13 @@ public String getTemplateId() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTemplateId(String templateId) {
+    public void setTemplateId(@javax.annotation.Nullable String templateId) {
         this.templateId = templateId;
     }
 
     @Deprecated
-    public TemplateUpdateFilesResponseTemplate warnings(List<WarningResponse> warnings) {
+    public TemplateUpdateFilesResponseTemplate warnings(
+            @javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -111,7 +113,7 @@ public List<WarningResponse> getWarnings() {
     @Deprecated
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftCreateEmbeddedRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftCreateEmbeddedRequest.java
index 17f7ccabf..4b758039a 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftCreateEmbeddedRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftCreateEmbeddedRequest.java
@@ -69,110 +69,111 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class UnclaimedDraftCreateEmbeddedRequest {
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nonnull private String clientId;
 
     public static final String JSON_PROPERTY_REQUESTER_EMAIL_ADDRESS = "requester_email_address";
-    private String requesterEmailAddress;
+    @javax.annotation.Nonnull private String requesterEmailAddress;
 
     public static final String JSON_PROPERTY_FILES = "files";
-    private List<File> files = null;
+    @javax.annotation.Nullable private List<File> files = null;
 
     public static final String JSON_PROPERTY_FILE_URLS = "file_urls";
-    private List<String> fileUrls = null;
+    @javax.annotation.Nullable private List<String> fileUrls = null;
 
     public static final String JSON_PROPERTY_ALLOW_CCS = "allow_ccs";
-    private Boolean allowCcs = true;
+    @javax.annotation.Nullable private Boolean allowCcs = true;
 
     public static final String JSON_PROPERTY_ALLOW_DECLINE = "allow_decline";
-    private Boolean allowDecline = false;
+    @javax.annotation.Nullable private Boolean allowDecline = false;
 
     public static final String JSON_PROPERTY_ALLOW_REASSIGN = "allow_reassign";
-    private Boolean allowReassign = false;
+    @javax.annotation.Nullable private Boolean allowReassign = false;
 
     public static final String JSON_PROPERTY_ATTACHMENTS = "attachments";
-    private List<SubAttachment> attachments = null;
+    @javax.annotation.Nullable private List<SubAttachment> attachments = null;
 
     public static final String JSON_PROPERTY_CC_EMAIL_ADDRESSES = "cc_email_addresses";
-    private List<String> ccEmailAddresses = null;
+    @javax.annotation.Nullable private List<String> ccEmailAddresses = null;
 
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    private List<SubCustomField> customFields = null;
+    @javax.annotation.Nullable private List<SubCustomField> customFields = null;
 
     public static final String JSON_PROPERTY_EDITOR_OPTIONS = "editor_options";
-    private SubEditorOptions editorOptions;
+    @javax.annotation.Nullable private SubEditorOptions editorOptions;
 
     public static final String JSON_PROPERTY_FIELD_OPTIONS = "field_options";
-    private SubFieldOptions fieldOptions;
+    @javax.annotation.Nullable private SubFieldOptions fieldOptions;
 
     public static final String JSON_PROPERTY_FORCE_SIGNER_PAGE = "force_signer_page";
-    private Boolean forceSignerPage = false;
+    @javax.annotation.Nullable private Boolean forceSignerPage = false;
 
     public static final String JSON_PROPERTY_FORCE_SUBJECT_MESSAGE = "force_subject_message";
-    private Boolean forceSubjectMessage = false;
+    @javax.annotation.Nullable private Boolean forceSubjectMessage = false;
 
     public static final String JSON_PROPERTY_FORM_FIELD_GROUPS = "form_field_groups";
-    private List<SubFormFieldGroup> formFieldGroups = null;
+    @javax.annotation.Nullable private List<SubFormFieldGroup> formFieldGroups = null;
 
     public static final String JSON_PROPERTY_FORM_FIELD_RULES = "form_field_rules";
-    private List<SubFormFieldRule> formFieldRules = null;
+    @javax.annotation.Nullable private List<SubFormFieldRule> formFieldRules = null;
 
     public static final String JSON_PROPERTY_FORM_FIELDS_PER_DOCUMENT = "form_fields_per_document";
-    private List<SubFormFieldsPerDocumentBase> formFieldsPerDocument = null;
+
+    @javax.annotation.Nullable private List<SubFormFieldsPerDocumentBase> formFieldsPerDocument = null;
 
     public static final String JSON_PROPERTY_HIDE_TEXT_TAGS = "hide_text_tags";
-    private Boolean hideTextTags = false;
+    @javax.annotation.Nullable private Boolean hideTextTags = false;
 
     public static final String JSON_PROPERTY_HOLD_REQUEST = "hold_request";
-    private Boolean holdRequest = false;
+    @javax.annotation.Nullable private Boolean holdRequest = false;
 
     public static final String JSON_PROPERTY_IS_FOR_EMBEDDED_SIGNING = "is_for_embedded_signing";
-    private Boolean isForEmbeddedSigning = false;
+    @javax.annotation.Nullable private Boolean isForEmbeddedSigning = false;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_REQUESTING_REDIRECT_URL = "requesting_redirect_url";
-    private String requestingRedirectUrl;
+    @javax.annotation.Nullable private String requestingRedirectUrl;
 
     public static final String JSON_PROPERTY_SHOW_PREVIEW = "show_preview";
-    private Boolean showPreview;
+    @javax.annotation.Nullable private Boolean showPreview;
 
     public static final String JSON_PROPERTY_SHOW_PROGRESS_STEPPER = "show_progress_stepper";
-    private Boolean showProgressStepper = true;
+    @javax.annotation.Nullable private Boolean showProgressStepper = true;
 
     public static final String JSON_PROPERTY_SIGNERS = "signers";
-    private List<SubUnclaimedDraftSigner> signers = null;
+    @javax.annotation.Nullable private List<SubUnclaimedDraftSigner> signers = null;
 
     public static final String JSON_PROPERTY_SIGNING_OPTIONS = "signing_options";
-    private SubSigningOptions signingOptions;
+    @javax.annotation.Nullable private SubSigningOptions signingOptions;
 
     public static final String JSON_PROPERTY_SIGNING_REDIRECT_URL = "signing_redirect_url";
-    private String signingRedirectUrl;
+    @javax.annotation.Nullable private String signingRedirectUrl;
 
     public static final String JSON_PROPERTY_SKIP_ME_NOW = "skip_me_now";
-    private Boolean skipMeNow = false;
+    @javax.annotation.Nullable private Boolean skipMeNow = false;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     /**
      * The type of the draft. By default this is &#x60;request_signature&#x60;, but you can set it
      * to &#x60;send_document&#x60; if you want to self sign a document and download it.
      */
     public enum TypeEnum {
-        SEND_DOCUMENT("send_document"),
+        SEND_DOCUMENT(String.valueOf("send_document")),
 
-        REQUEST_SIGNATURE("request_signature");
+        REQUEST_SIGNATURE(String.valueOf("request_signature"));
 
         private String value;
 
@@ -202,20 +203,20 @@ public static TypeEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_TYPE = "type";
-    private TypeEnum type = TypeEnum.REQUEST_SIGNATURE;
+    @javax.annotation.Nullable private TypeEnum type = TypeEnum.REQUEST_SIGNATURE;
 
     public static final String JSON_PROPERTY_USE_PREEXISTING_FIELDS = "use_preexisting_fields";
-    private Boolean usePreexistingFields = false;
+    @javax.annotation.Nullable private Boolean usePreexistingFields = false;
 
     public static final String JSON_PROPERTY_USE_TEXT_TAGS = "use_text_tags";
-    private Boolean useTextTags = false;
+    @javax.annotation.Nullable private Boolean useTextTags = false;
 
     public static final String JSON_PROPERTY_POPULATE_AUTO_FILL_FIELDS =
             "populate_auto_fill_fields";
-    private Boolean populateAutoFillFields = false;
+    @javax.annotation.Nullable private Boolean populateAutoFillFields = false;
 
     public static final String JSON_PROPERTY_EXPIRES_AT = "expires_at";
-    private Integer expiresAt;
+    @javax.annotation.Nullable private Integer expiresAt;
 
     public UnclaimedDraftCreateEmbeddedRequest() {}
 
@@ -235,7 +236,7 @@ public static UnclaimedDraftCreateEmbeddedRequest init(HashMap data) throws Exce
                         UnclaimedDraftCreateEmbeddedRequest.class);
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest clientId(String clientId) {
+    public UnclaimedDraftCreateEmbeddedRequest clientId(@javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -255,11 +256,12 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest requesterEmailAddress(String requesterEmailAddress) {
+    public UnclaimedDraftCreateEmbeddedRequest requesterEmailAddress(
+            @javax.annotation.Nonnull String requesterEmailAddress) {
         this.requesterEmailAddress = requesterEmailAddress;
         return this;
     }
@@ -279,11 +281,11 @@ public String getRequesterEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_REQUESTER_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setRequesterEmailAddress(String requesterEmailAddress) {
+    public void setRequesterEmailAddress(@javax.annotation.Nonnull String requesterEmailAddress) {
         this.requesterEmailAddress = requesterEmailAddress;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest files(List<File> files) {
+    public UnclaimedDraftCreateEmbeddedRequest files(@javax.annotation.Nullable List<File> files) {
         this.files = files;
         return this;
     }
@@ -310,11 +312,12 @@ public List<File> getFiles() {
 
     @JsonProperty(JSON_PROPERTY_FILES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFiles(List<File> files) {
+    public void setFiles(@javax.annotation.Nullable List<File> files) {
         this.files = files;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest fileUrls(List<String> fileUrls) {
+    public UnclaimedDraftCreateEmbeddedRequest fileUrls(
+            @javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
         return this;
     }
@@ -341,11 +344,12 @@ public List<String> getFileUrls() {
 
     @JsonProperty(JSON_PROPERTY_FILE_URLS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFileUrls(List<String> fileUrls) {
+    public void setFileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest allowCcs(Boolean allowCcs) {
+    public UnclaimedDraftCreateEmbeddedRequest allowCcs(
+            @javax.annotation.Nullable Boolean allowCcs) {
         this.allowCcs = allowCcs;
         return this;
     }
@@ -364,11 +368,12 @@ public Boolean getAllowCcs() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_CCS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowCcs(Boolean allowCcs) {
+    public void setAllowCcs(@javax.annotation.Nullable Boolean allowCcs) {
         this.allowCcs = allowCcs;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest allowDecline(Boolean allowDecline) {
+    public UnclaimedDraftCreateEmbeddedRequest allowDecline(
+            @javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
         return this;
     }
@@ -387,11 +392,12 @@ public Boolean getAllowDecline() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_DECLINE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowDecline(Boolean allowDecline) {
+    public void setAllowDecline(@javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest allowReassign(Boolean allowReassign) {
+    public UnclaimedDraftCreateEmbeddedRequest allowReassign(
+            @javax.annotation.Nullable Boolean allowReassign) {
         this.allowReassign = allowReassign;
         return this;
     }
@@ -411,11 +417,12 @@ public Boolean getAllowReassign() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_REASSIGN)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowReassign(Boolean allowReassign) {
+    public void setAllowReassign(@javax.annotation.Nullable Boolean allowReassign) {
         this.allowReassign = allowReassign;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest attachments(List<SubAttachment> attachments) {
+    public UnclaimedDraftCreateEmbeddedRequest attachments(
+            @javax.annotation.Nullable List<SubAttachment> attachments) {
         this.attachments = attachments;
         return this;
     }
@@ -441,11 +448,12 @@ public List<SubAttachment> getAttachments() {
 
     @JsonProperty(JSON_PROPERTY_ATTACHMENTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAttachments(List<SubAttachment> attachments) {
+    public void setAttachments(@javax.annotation.Nullable List<SubAttachment> attachments) {
         this.attachments = attachments;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest ccEmailAddresses(List<String> ccEmailAddresses) {
+    public UnclaimedDraftCreateEmbeddedRequest ccEmailAddresses(
+            @javax.annotation.Nullable List<String> ccEmailAddresses) {
         this.ccEmailAddresses = ccEmailAddresses;
         return this;
     }
@@ -472,11 +480,12 @@ public List<String> getCcEmailAddresses() {
 
     @JsonProperty(JSON_PROPERTY_CC_EMAIL_ADDRESSES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcEmailAddresses(List<String> ccEmailAddresses) {
+    public void setCcEmailAddresses(@javax.annotation.Nullable List<String> ccEmailAddresses) {
         this.ccEmailAddresses = ccEmailAddresses;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest customFields(List<SubCustomField> customFields) {
+    public UnclaimedDraftCreateEmbeddedRequest customFields(
+            @javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -513,11 +522,12 @@ public List<SubCustomField> getCustomFields() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<SubCustomField> customFields) {
+    public void setCustomFields(@javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest editorOptions(SubEditorOptions editorOptions) {
+    public UnclaimedDraftCreateEmbeddedRequest editorOptions(
+            @javax.annotation.Nullable SubEditorOptions editorOptions) {
         this.editorOptions = editorOptions;
         return this;
     }
@@ -535,11 +545,12 @@ public SubEditorOptions getEditorOptions() {
 
     @JsonProperty(JSON_PROPERTY_EDITOR_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEditorOptions(SubEditorOptions editorOptions) {
+    public void setEditorOptions(@javax.annotation.Nullable SubEditorOptions editorOptions) {
         this.editorOptions = editorOptions;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest fieldOptions(SubFieldOptions fieldOptions) {
+    public UnclaimedDraftCreateEmbeddedRequest fieldOptions(
+            @javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
         return this;
     }
@@ -557,11 +568,12 @@ public SubFieldOptions getFieldOptions() {
 
     @JsonProperty(JSON_PROPERTY_FIELD_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFieldOptions(SubFieldOptions fieldOptions) {
+    public void setFieldOptions(@javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest forceSignerPage(Boolean forceSignerPage) {
+    public UnclaimedDraftCreateEmbeddedRequest forceSignerPage(
+            @javax.annotation.Nullable Boolean forceSignerPage) {
         this.forceSignerPage = forceSignerPage;
         return this;
     }
@@ -579,11 +591,12 @@ public Boolean getForceSignerPage() {
 
     @JsonProperty(JSON_PROPERTY_FORCE_SIGNER_PAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setForceSignerPage(Boolean forceSignerPage) {
+    public void setForceSignerPage(@javax.annotation.Nullable Boolean forceSignerPage) {
         this.forceSignerPage = forceSignerPage;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest forceSubjectMessage(Boolean forceSubjectMessage) {
+    public UnclaimedDraftCreateEmbeddedRequest forceSubjectMessage(
+            @javax.annotation.Nullable Boolean forceSubjectMessage) {
         this.forceSubjectMessage = forceSubjectMessage;
         return this;
     }
@@ -601,12 +614,12 @@ public Boolean getForceSubjectMessage() {
 
     @JsonProperty(JSON_PROPERTY_FORCE_SUBJECT_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setForceSubjectMessage(Boolean forceSubjectMessage) {
+    public void setForceSubjectMessage(@javax.annotation.Nullable Boolean forceSubjectMessage) {
         this.forceSubjectMessage = forceSubjectMessage;
     }
 
     public UnclaimedDraftCreateEmbeddedRequest formFieldGroups(
-            List<SubFormFieldGroup> formFieldGroups) {
+            @javax.annotation.Nullable List<SubFormFieldGroup> formFieldGroups) {
         this.formFieldGroups = formFieldGroups;
         return this;
     }
@@ -636,12 +649,13 @@ public List<SubFormFieldGroup> getFormFieldGroups() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELD_GROUPS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldGroups(List<SubFormFieldGroup> formFieldGroups) {
+    public void setFormFieldGroups(
+            @javax.annotation.Nullable List<SubFormFieldGroup> formFieldGroups) {
         this.formFieldGroups = formFieldGroups;
     }
 
     public UnclaimedDraftCreateEmbeddedRequest formFieldRules(
-            List<SubFormFieldRule> formFieldRules) {
+            @javax.annotation.Nullable List<SubFormFieldRule> formFieldRules) {
         this.formFieldRules = formFieldRules;
         return this;
     }
@@ -668,12 +682,13 @@ public List<SubFormFieldRule> getFormFieldRules() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELD_RULES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldRules(List<SubFormFieldRule> formFieldRules) {
+    public void setFormFieldRules(
+            @javax.annotation.Nullable List<SubFormFieldRule> formFieldRules) {
         this.formFieldRules = formFieldRules;
     }
 
     public UnclaimedDraftCreateEmbeddedRequest formFieldsPerDocument(
-            List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
+            @javax.annotation.Nullable List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
         this.formFieldsPerDocument = formFieldsPerDocument;
         return this;
     }
@@ -715,11 +730,13 @@ public List<SubFormFieldsPerDocumentBase> getFormFieldsPerDocument() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELDS_PER_DOCUMENT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldsPerDocument(List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
+    public void setFormFieldsPerDocument(
+            @javax.annotation.Nullable List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
         this.formFieldsPerDocument = formFieldsPerDocument;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest hideTextTags(Boolean hideTextTags) {
+    public UnclaimedDraftCreateEmbeddedRequest hideTextTags(
+            @javax.annotation.Nullable Boolean hideTextTags) {
         this.hideTextTags = hideTextTags;
         return this;
     }
@@ -742,11 +759,12 @@ public Boolean getHideTextTags() {
 
     @JsonProperty(JSON_PROPERTY_HIDE_TEXT_TAGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHideTextTags(Boolean hideTextTags) {
+    public void setHideTextTags(@javax.annotation.Nullable Boolean hideTextTags) {
         this.hideTextTags = hideTextTags;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest holdRequest(Boolean holdRequest) {
+    public UnclaimedDraftCreateEmbeddedRequest holdRequest(
+            @javax.annotation.Nullable Boolean holdRequest) {
         this.holdRequest = holdRequest;
         return this;
     }
@@ -767,11 +785,12 @@ public Boolean getHoldRequest() {
 
     @JsonProperty(JSON_PROPERTY_HOLD_REQUEST)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHoldRequest(Boolean holdRequest) {
+    public void setHoldRequest(@javax.annotation.Nullable Boolean holdRequest) {
         this.holdRequest = holdRequest;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest isForEmbeddedSigning(Boolean isForEmbeddedSigning) {
+    public UnclaimedDraftCreateEmbeddedRequest isForEmbeddedSigning(
+            @javax.annotation.Nullable Boolean isForEmbeddedSigning) {
         this.isForEmbeddedSigning = isForEmbeddedSigning;
         return this;
     }
@@ -790,11 +809,11 @@ public Boolean getIsForEmbeddedSigning() {
 
     @JsonProperty(JSON_PROPERTY_IS_FOR_EMBEDDED_SIGNING)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsForEmbeddedSigning(Boolean isForEmbeddedSigning) {
+    public void setIsForEmbeddedSigning(@javax.annotation.Nullable Boolean isForEmbeddedSigning) {
         this.isForEmbeddedSigning = isForEmbeddedSigning;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest message(String message) {
+    public UnclaimedDraftCreateEmbeddedRequest message(@javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -812,11 +831,12 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest metadata(Map<String, Object> metadata) {
+    public UnclaimedDraftCreateEmbeddedRequest metadata(
+            @javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -846,11 +866,12 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest requestingRedirectUrl(String requestingRedirectUrl) {
+    public UnclaimedDraftCreateEmbeddedRequest requestingRedirectUrl(
+            @javax.annotation.Nullable String requestingRedirectUrl) {
         this.requestingRedirectUrl = requestingRedirectUrl;
         return this;
     }
@@ -868,11 +889,12 @@ public String getRequestingRedirectUrl() {
 
     @JsonProperty(JSON_PROPERTY_REQUESTING_REDIRECT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRequestingRedirectUrl(String requestingRedirectUrl) {
+    public void setRequestingRedirectUrl(@javax.annotation.Nullable String requestingRedirectUrl) {
         this.requestingRedirectUrl = requestingRedirectUrl;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest showPreview(Boolean showPreview) {
+    public UnclaimedDraftCreateEmbeddedRequest showPreview(
+            @javax.annotation.Nullable Boolean showPreview) {
         this.showPreview = showPreview;
         return this;
     }
@@ -893,11 +915,12 @@ public Boolean getShowPreview() {
 
     @JsonProperty(JSON_PROPERTY_SHOW_PREVIEW)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setShowPreview(Boolean showPreview) {
+    public void setShowPreview(@javax.annotation.Nullable Boolean showPreview) {
         this.showPreview = showPreview;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest showProgressStepper(Boolean showProgressStepper) {
+    public UnclaimedDraftCreateEmbeddedRequest showProgressStepper(
+            @javax.annotation.Nullable Boolean showProgressStepper) {
         this.showProgressStepper = showProgressStepper;
         return this;
     }
@@ -916,11 +939,12 @@ public Boolean getShowProgressStepper() {
 
     @JsonProperty(JSON_PROPERTY_SHOW_PROGRESS_STEPPER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setShowProgressStepper(Boolean showProgressStepper) {
+    public void setShowProgressStepper(@javax.annotation.Nullable Boolean showProgressStepper) {
         this.showProgressStepper = showProgressStepper;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest signers(List<SubUnclaimedDraftSigner> signers) {
+    public UnclaimedDraftCreateEmbeddedRequest signers(
+            @javax.annotation.Nullable List<SubUnclaimedDraftSigner> signers) {
         this.signers = signers;
         return this;
     }
@@ -946,11 +970,12 @@ public List<SubUnclaimedDraftSigner> getSigners() {
 
     @JsonProperty(JSON_PROPERTY_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigners(List<SubUnclaimedDraftSigner> signers) {
+    public void setSigners(@javax.annotation.Nullable List<SubUnclaimedDraftSigner> signers) {
         this.signers = signers;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest signingOptions(SubSigningOptions signingOptions) {
+    public UnclaimedDraftCreateEmbeddedRequest signingOptions(
+            @javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
         return this;
     }
@@ -968,11 +993,12 @@ public SubSigningOptions getSigningOptions() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningOptions(SubSigningOptions signingOptions) {
+    public void setSigningOptions(@javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest signingRedirectUrl(String signingRedirectUrl) {
+    public UnclaimedDraftCreateEmbeddedRequest signingRedirectUrl(
+            @javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
         return this;
     }
@@ -990,11 +1016,12 @@ public String getSigningRedirectUrl() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_REDIRECT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningRedirectUrl(String signingRedirectUrl) {
+    public void setSigningRedirectUrl(@javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest skipMeNow(Boolean skipMeNow) {
+    public UnclaimedDraftCreateEmbeddedRequest skipMeNow(
+            @javax.annotation.Nullable Boolean skipMeNow) {
         this.skipMeNow = skipMeNow;
         return this;
     }
@@ -1013,11 +1040,11 @@ public Boolean getSkipMeNow() {
 
     @JsonProperty(JSON_PROPERTY_SKIP_ME_NOW)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSkipMeNow(Boolean skipMeNow) {
+    public void setSkipMeNow(@javax.annotation.Nullable Boolean skipMeNow) {
         this.skipMeNow = skipMeNow;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest subject(String subject) {
+    public UnclaimedDraftCreateEmbeddedRequest subject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -1035,11 +1062,12 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest testMode(Boolean testMode) {
+    public UnclaimedDraftCreateEmbeddedRequest testMode(
+            @javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -1058,11 +1086,11 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest type(TypeEnum type) {
+    public UnclaimedDraftCreateEmbeddedRequest type(@javax.annotation.Nullable TypeEnum type) {
         this.type = type;
         return this;
     }
@@ -1081,11 +1109,12 @@ public TypeEnum getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setType(TypeEnum type) {
+    public void setType(@javax.annotation.Nullable TypeEnum type) {
         this.type = type;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest usePreexistingFields(Boolean usePreexistingFields) {
+    public UnclaimedDraftCreateEmbeddedRequest usePreexistingFields(
+            @javax.annotation.Nullable Boolean usePreexistingFields) {
         this.usePreexistingFields = usePreexistingFields;
         return this;
     }
@@ -1109,11 +1138,12 @@ public Boolean getUsePreexistingFields() {
 
     @JsonProperty(JSON_PROPERTY_USE_PREEXISTING_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setUsePreexistingFields(Boolean usePreexistingFields) {
+    public void setUsePreexistingFields(@javax.annotation.Nullable Boolean usePreexistingFields) {
         this.usePreexistingFields = usePreexistingFields;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest useTextTags(Boolean useTextTags) {
+    public UnclaimedDraftCreateEmbeddedRequest useTextTags(
+            @javax.annotation.Nullable Boolean useTextTags) {
         this.useTextTags = useTextTags;
         return this;
     }
@@ -1137,12 +1167,12 @@ public Boolean getUseTextTags() {
 
     @JsonProperty(JSON_PROPERTY_USE_TEXT_TAGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setUseTextTags(Boolean useTextTags) {
+    public void setUseTextTags(@javax.annotation.Nullable Boolean useTextTags) {
         this.useTextTags = useTextTags;
     }
 
     public UnclaimedDraftCreateEmbeddedRequest populateAutoFillFields(
-            Boolean populateAutoFillFields) {
+            @javax.annotation.Nullable Boolean populateAutoFillFields) {
         this.populateAutoFillFields = populateAutoFillFields;
         return this;
     }
@@ -1164,11 +1194,13 @@ public Boolean getPopulateAutoFillFields() {
 
     @JsonProperty(JSON_PROPERTY_POPULATE_AUTO_FILL_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPopulateAutoFillFields(Boolean populateAutoFillFields) {
+    public void setPopulateAutoFillFields(
+            @javax.annotation.Nullable Boolean populateAutoFillFields) {
         this.populateAutoFillFields = populateAutoFillFields;
     }
 
-    public UnclaimedDraftCreateEmbeddedRequest expiresAt(Integer expiresAt) {
+    public UnclaimedDraftCreateEmbeddedRequest expiresAt(
+            @javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
         return this;
     }
@@ -1189,7 +1221,7 @@ public Integer getExpiresAt() {
 
     @JsonProperty(JSON_PROPERTY_EXPIRES_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setExpiresAt(Integer expiresAt) {
+    public void setExpiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftCreateEmbeddedWithTemplateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftCreateEmbeddedWithTemplateRequest.java
index 8310985d9..94848f92d 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftCreateEmbeddedWithTemplateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftCreateEmbeddedWithTemplateRequest.java
@@ -61,99 +61,99 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class UnclaimedDraftCreateEmbeddedWithTemplateRequest {
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nonnull private String clientId;
 
     public static final String JSON_PROPERTY_REQUESTER_EMAIL_ADDRESS = "requester_email_address";
-    private String requesterEmailAddress;
+    @javax.annotation.Nonnull private String requesterEmailAddress;
 
     public static final String JSON_PROPERTY_TEMPLATE_IDS = "template_ids";
-    private List<String> templateIds = new ArrayList<>();
+    @javax.annotation.Nonnull private List<String> templateIds = new ArrayList<>();
 
     public static final String JSON_PROPERTY_ALLOW_DECLINE = "allow_decline";
-    private Boolean allowDecline = false;
+    @javax.annotation.Nullable private Boolean allowDecline = false;
 
     public static final String JSON_PROPERTY_ALLOW_REASSIGN = "allow_reassign";
-    private Boolean allowReassign = false;
+    @javax.annotation.Nullable private Boolean allowReassign = false;
 
     public static final String JSON_PROPERTY_CCS = "ccs";
-    private List<SubCC> ccs = null;
+    @javax.annotation.Nullable private List<SubCC> ccs = null;
 
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    private List<SubCustomField> customFields = null;
+    @javax.annotation.Nullable private List<SubCustomField> customFields = null;
 
     public static final String JSON_PROPERTY_EDITOR_OPTIONS = "editor_options";
-    private SubEditorOptions editorOptions;
+    @javax.annotation.Nullable private SubEditorOptions editorOptions;
 
     public static final String JSON_PROPERTY_FIELD_OPTIONS = "field_options";
-    private SubFieldOptions fieldOptions;
+    @javax.annotation.Nullable private SubFieldOptions fieldOptions;
 
     public static final String JSON_PROPERTY_FILES = "files";
-    private List<File> files = null;
+    @javax.annotation.Nullable private List<File> files = null;
 
     public static final String JSON_PROPERTY_FILE_URLS = "file_urls";
-    private List<String> fileUrls = null;
+    @javax.annotation.Nullable private List<String> fileUrls = null;
 
     public static final String JSON_PROPERTY_FORCE_SIGNER_ROLES = "force_signer_roles";
-    private Boolean forceSignerRoles = false;
+    @javax.annotation.Nullable private Boolean forceSignerRoles = false;
 
     public static final String JSON_PROPERTY_FORCE_SUBJECT_MESSAGE = "force_subject_message";
-    private Boolean forceSubjectMessage = false;
+    @javax.annotation.Nullable private Boolean forceSubjectMessage = false;
 
     public static final String JSON_PROPERTY_HOLD_REQUEST = "hold_request";
-    private Boolean holdRequest = false;
+    @javax.annotation.Nullable private Boolean holdRequest = false;
 
     public static final String JSON_PROPERTY_IS_FOR_EMBEDDED_SIGNING = "is_for_embedded_signing";
-    private Boolean isForEmbeddedSigning = false;
+    @javax.annotation.Nullable private Boolean isForEmbeddedSigning = false;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_PREVIEW_ONLY = "preview_only";
-    private Boolean previewOnly = false;
+    @javax.annotation.Nullable private Boolean previewOnly = false;
 
     public static final String JSON_PROPERTY_REQUESTING_REDIRECT_URL = "requesting_redirect_url";
-    private String requestingRedirectUrl;
+    @javax.annotation.Nullable private String requestingRedirectUrl;
 
     public static final String JSON_PROPERTY_SHOW_PREVIEW = "show_preview";
-    private Boolean showPreview = false;
+    @javax.annotation.Nullable private Boolean showPreview = false;
 
     public static final String JSON_PROPERTY_SHOW_PROGRESS_STEPPER = "show_progress_stepper";
-    private Boolean showProgressStepper = true;
+    @javax.annotation.Nullable private Boolean showProgressStepper = true;
 
     public static final String JSON_PROPERTY_SIGNERS = "signers";
-    private List<SubUnclaimedDraftTemplateSigner> signers = null;
+    @javax.annotation.Nullable private List<SubUnclaimedDraftTemplateSigner> signers = null;
 
     public static final String JSON_PROPERTY_SIGNING_OPTIONS = "signing_options";
-    private SubSigningOptions signingOptions;
+    @javax.annotation.Nullable private SubSigningOptions signingOptions;
 
     public static final String JSON_PROPERTY_SIGNING_REDIRECT_URL = "signing_redirect_url";
-    private String signingRedirectUrl;
+    @javax.annotation.Nullable private String signingRedirectUrl;
 
     public static final String JSON_PROPERTY_SKIP_ME_NOW = "skip_me_now";
-    private Boolean skipMeNow = false;
+    @javax.annotation.Nullable private Boolean skipMeNow = false;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public static final String JSON_PROPERTY_TITLE = "title";
-    private String title;
+    @javax.annotation.Nullable private String title;
 
     public static final String JSON_PROPERTY_POPULATE_AUTO_FILL_FIELDS =
             "populate_auto_fill_fields";
-    private Boolean populateAutoFillFields = false;
+    @javax.annotation.Nullable private Boolean populateAutoFillFields = false;
 
     public static final String JSON_PROPERTY_ALLOW_CCS = "allow_ccs";
-    private Boolean allowCcs = false;
+    @javax.annotation.Nullable private Boolean allowCcs = false;
 
     public UnclaimedDraftCreateEmbeddedWithTemplateRequest() {}
 
@@ -176,7 +176,8 @@ public static UnclaimedDraftCreateEmbeddedWithTemplateRequest init(HashMap data)
                         UnclaimedDraftCreateEmbeddedWithTemplateRequest.class);
     }
 
-    public UnclaimedDraftCreateEmbeddedWithTemplateRequest clientId(String clientId) {
+    public UnclaimedDraftCreateEmbeddedWithTemplateRequest clientId(
+            @javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -196,12 +197,12 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
     }
 
     public UnclaimedDraftCreateEmbeddedWithTemplateRequest requesterEmailAddress(
-            String requesterEmailAddress) {
+            @javax.annotation.Nonnull String requesterEmailAddress) {
         this.requesterEmailAddress = requesterEmailAddress;
         return this;
     }
@@ -220,11 +221,12 @@ public String getRequesterEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_REQUESTER_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setRequesterEmailAddress(String requesterEmailAddress) {
+    public void setRequesterEmailAddress(@javax.annotation.Nonnull String requesterEmailAddress) {
         this.requesterEmailAddress = requesterEmailAddress;
     }
 
-    public UnclaimedDraftCreateEmbeddedWithTemplateRequest templateIds(List<String> templateIds) {
+    public UnclaimedDraftCreateEmbeddedWithTemplateRequest templateIds(
+            @javax.annotation.Nonnull List<String> templateIds) {
         this.templateIds = templateIds;
         return this;
     }
@@ -253,11 +255,12 @@ public List<String> getTemplateIds() {
 
     @JsonProperty(JSON_PROPERTY_TEMPLATE_IDS)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setTemplateIds(List<String> templateIds) {
+    public void setTemplateIds(@javax.annotation.Nonnull List<String> templateIds) {
         this.templateIds = templateIds;
     }
 
-    public UnclaimedDraftCreateEmbeddedWithTemplateRequest allowDecline(Boolean allowDecline) {
+    public UnclaimedDraftCreateEmbeddedWithTemplateRequest allowDecline(
+            @javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
         return this;
     }
@@ -276,11 +279,12 @@ public Boolean getAllowDecline() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_DECLINE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowDecline(Boolean allowDecline) {
+    public void setAllowDecline(@javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
     }
 
-    public UnclaimedDraftCreateEmbeddedWithTemplateRequest allowReassign(Boolean allowReassign) {
+    public UnclaimedDraftCreateEmbeddedWithTemplateRequest allowReassign(
+            @javax.annotation.Nullable Boolean allowReassign) {
         this.allowReassign = allowReassign;
         return this;
     }
@@ -300,11 +304,12 @@ public Boolean getAllowReassign() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_REASSIGN)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowReassign(Boolean allowReassign) {
+    public void setAllowReassign(@javax.annotation.Nullable Boolean allowReassign) {
         this.allowReassign = allowReassign;
     }
 
-    public UnclaimedDraftCreateEmbeddedWithTemplateRequest ccs(List<SubCC> ccs) {
+    public UnclaimedDraftCreateEmbeddedWithTemplateRequest ccs(
+            @javax.annotation.Nullable List<SubCC> ccs) {
         this.ccs = ccs;
         return this;
     }
@@ -330,12 +335,12 @@ public List<SubCC> getCcs() {
 
     @JsonProperty(JSON_PROPERTY_CCS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcs(List<SubCC> ccs) {
+    public void setCcs(@javax.annotation.Nullable List<SubCC> ccs) {
         this.ccs = ccs;
     }
 
     public UnclaimedDraftCreateEmbeddedWithTemplateRequest customFields(
-            List<SubCustomField> customFields) {
+            @javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -363,12 +368,12 @@ public List<SubCustomField> getCustomFields() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<SubCustomField> customFields) {
+    public void setCustomFields(@javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
     }
 
     public UnclaimedDraftCreateEmbeddedWithTemplateRequest editorOptions(
-            SubEditorOptions editorOptions) {
+            @javax.annotation.Nullable SubEditorOptions editorOptions) {
         this.editorOptions = editorOptions;
         return this;
     }
@@ -386,12 +391,12 @@ public SubEditorOptions getEditorOptions() {
 
     @JsonProperty(JSON_PROPERTY_EDITOR_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEditorOptions(SubEditorOptions editorOptions) {
+    public void setEditorOptions(@javax.annotation.Nullable SubEditorOptions editorOptions) {
         this.editorOptions = editorOptions;
     }
 
     public UnclaimedDraftCreateEmbeddedWithTemplateRequest fieldOptions(
-            SubFieldOptions fieldOptions) {
+            @javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
         return this;
     }
@@ -409,11 +414,12 @@ public SubFieldOptions getFieldOptions() {
 
     @JsonProperty(JSON_PROPERTY_FIELD_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFieldOptions(SubFieldOptions fieldOptions) {
+    public void setFieldOptions(@javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
     }
 
-    public UnclaimedDraftCreateEmbeddedWithTemplateRequest files(List<File> files) {
+    public UnclaimedDraftCreateEmbeddedWithTemplateRequest files(
+            @javax.annotation.Nullable List<File> files) {
         this.files = files;
         return this;
     }
@@ -443,11 +449,12 @@ public List<File> getFiles() {
 
     @JsonProperty(JSON_PROPERTY_FILES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFiles(List<File> files) {
+    public void setFiles(@javax.annotation.Nullable List<File> files) {
         this.files = files;
     }
 
-    public UnclaimedDraftCreateEmbeddedWithTemplateRequest fileUrls(List<String> fileUrls) {
+    public UnclaimedDraftCreateEmbeddedWithTemplateRequest fileUrls(
+            @javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
         return this;
     }
@@ -477,12 +484,12 @@ public List<String> getFileUrls() {
 
     @JsonProperty(JSON_PROPERTY_FILE_URLS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFileUrls(List<String> fileUrls) {
+    public void setFileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
     }
 
     public UnclaimedDraftCreateEmbeddedWithTemplateRequest forceSignerRoles(
-            Boolean forceSignerRoles) {
+            @javax.annotation.Nullable Boolean forceSignerRoles) {
         this.forceSignerRoles = forceSignerRoles;
         return this;
     }
@@ -500,12 +507,12 @@ public Boolean getForceSignerRoles() {
 
     @JsonProperty(JSON_PROPERTY_FORCE_SIGNER_ROLES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setForceSignerRoles(Boolean forceSignerRoles) {
+    public void setForceSignerRoles(@javax.annotation.Nullable Boolean forceSignerRoles) {
         this.forceSignerRoles = forceSignerRoles;
     }
 
     public UnclaimedDraftCreateEmbeddedWithTemplateRequest forceSubjectMessage(
-            Boolean forceSubjectMessage) {
+            @javax.annotation.Nullable Boolean forceSubjectMessage) {
         this.forceSubjectMessage = forceSubjectMessage;
         return this;
     }
@@ -523,11 +530,12 @@ public Boolean getForceSubjectMessage() {
 
     @JsonProperty(JSON_PROPERTY_FORCE_SUBJECT_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setForceSubjectMessage(Boolean forceSubjectMessage) {
+    public void setForceSubjectMessage(@javax.annotation.Nullable Boolean forceSubjectMessage) {
         this.forceSubjectMessage = forceSubjectMessage;
     }
 
-    public UnclaimedDraftCreateEmbeddedWithTemplateRequest holdRequest(Boolean holdRequest) {
+    public UnclaimedDraftCreateEmbeddedWithTemplateRequest holdRequest(
+            @javax.annotation.Nullable Boolean holdRequest) {
         this.holdRequest = holdRequest;
         return this;
     }
@@ -547,12 +555,12 @@ public Boolean getHoldRequest() {
 
     @JsonProperty(JSON_PROPERTY_HOLD_REQUEST)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHoldRequest(Boolean holdRequest) {
+    public void setHoldRequest(@javax.annotation.Nullable Boolean holdRequest) {
         this.holdRequest = holdRequest;
     }
 
     public UnclaimedDraftCreateEmbeddedWithTemplateRequest isForEmbeddedSigning(
-            Boolean isForEmbeddedSigning) {
+            @javax.annotation.Nullable Boolean isForEmbeddedSigning) {
         this.isForEmbeddedSigning = isForEmbeddedSigning;
         return this;
     }
@@ -571,11 +579,12 @@ public Boolean getIsForEmbeddedSigning() {
 
     @JsonProperty(JSON_PROPERTY_IS_FOR_EMBEDDED_SIGNING)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsForEmbeddedSigning(Boolean isForEmbeddedSigning) {
+    public void setIsForEmbeddedSigning(@javax.annotation.Nullable Boolean isForEmbeddedSigning) {
         this.isForEmbeddedSigning = isForEmbeddedSigning;
     }
 
-    public UnclaimedDraftCreateEmbeddedWithTemplateRequest message(String message) {
+    public UnclaimedDraftCreateEmbeddedWithTemplateRequest message(
+            @javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -593,11 +602,12 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public UnclaimedDraftCreateEmbeddedWithTemplateRequest metadata(Map<String, Object> metadata) {
+    public UnclaimedDraftCreateEmbeddedWithTemplateRequest metadata(
+            @javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -628,11 +638,12 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
-    public UnclaimedDraftCreateEmbeddedWithTemplateRequest previewOnly(Boolean previewOnly) {
+    public UnclaimedDraftCreateEmbeddedWithTemplateRequest previewOnly(
+            @javax.annotation.Nullable Boolean previewOnly) {
         this.previewOnly = previewOnly;
         return this;
     }
@@ -654,12 +665,12 @@ public Boolean getPreviewOnly() {
 
     @JsonProperty(JSON_PROPERTY_PREVIEW_ONLY)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPreviewOnly(Boolean previewOnly) {
+    public void setPreviewOnly(@javax.annotation.Nullable Boolean previewOnly) {
         this.previewOnly = previewOnly;
     }
 
     public UnclaimedDraftCreateEmbeddedWithTemplateRequest requestingRedirectUrl(
-            String requestingRedirectUrl) {
+            @javax.annotation.Nullable String requestingRedirectUrl) {
         this.requestingRedirectUrl = requestingRedirectUrl;
         return this;
     }
@@ -677,11 +688,12 @@ public String getRequestingRedirectUrl() {
 
     @JsonProperty(JSON_PROPERTY_REQUESTING_REDIRECT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRequestingRedirectUrl(String requestingRedirectUrl) {
+    public void setRequestingRedirectUrl(@javax.annotation.Nullable String requestingRedirectUrl) {
         this.requestingRedirectUrl = requestingRedirectUrl;
     }
 
-    public UnclaimedDraftCreateEmbeddedWithTemplateRequest showPreview(Boolean showPreview) {
+    public UnclaimedDraftCreateEmbeddedWithTemplateRequest showPreview(
+            @javax.annotation.Nullable Boolean showPreview) {
         this.showPreview = showPreview;
         return this;
     }
@@ -702,12 +714,12 @@ public Boolean getShowPreview() {
 
     @JsonProperty(JSON_PROPERTY_SHOW_PREVIEW)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setShowPreview(Boolean showPreview) {
+    public void setShowPreview(@javax.annotation.Nullable Boolean showPreview) {
         this.showPreview = showPreview;
     }
 
     public UnclaimedDraftCreateEmbeddedWithTemplateRequest showProgressStepper(
-            Boolean showProgressStepper) {
+            @javax.annotation.Nullable Boolean showProgressStepper) {
         this.showProgressStepper = showProgressStepper;
         return this;
     }
@@ -726,12 +738,12 @@ public Boolean getShowProgressStepper() {
 
     @JsonProperty(JSON_PROPERTY_SHOW_PROGRESS_STEPPER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setShowProgressStepper(Boolean showProgressStepper) {
+    public void setShowProgressStepper(@javax.annotation.Nullable Boolean showProgressStepper) {
         this.showProgressStepper = showProgressStepper;
     }
 
     public UnclaimedDraftCreateEmbeddedWithTemplateRequest signers(
-            List<SubUnclaimedDraftTemplateSigner> signers) {
+            @javax.annotation.Nullable List<SubUnclaimedDraftTemplateSigner> signers) {
         this.signers = signers;
         return this;
     }
@@ -758,12 +770,13 @@ public List<SubUnclaimedDraftTemplateSigner> getSigners() {
 
     @JsonProperty(JSON_PROPERTY_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigners(List<SubUnclaimedDraftTemplateSigner> signers) {
+    public void setSigners(
+            @javax.annotation.Nullable List<SubUnclaimedDraftTemplateSigner> signers) {
         this.signers = signers;
     }
 
     public UnclaimedDraftCreateEmbeddedWithTemplateRequest signingOptions(
-            SubSigningOptions signingOptions) {
+            @javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
         return this;
     }
@@ -781,12 +794,12 @@ public SubSigningOptions getSigningOptions() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningOptions(SubSigningOptions signingOptions) {
+    public void setSigningOptions(@javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
     }
 
     public UnclaimedDraftCreateEmbeddedWithTemplateRequest signingRedirectUrl(
-            String signingRedirectUrl) {
+            @javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
         return this;
     }
@@ -804,11 +817,12 @@ public String getSigningRedirectUrl() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_REDIRECT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningRedirectUrl(String signingRedirectUrl) {
+    public void setSigningRedirectUrl(@javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
     }
 
-    public UnclaimedDraftCreateEmbeddedWithTemplateRequest skipMeNow(Boolean skipMeNow) {
+    public UnclaimedDraftCreateEmbeddedWithTemplateRequest skipMeNow(
+            @javax.annotation.Nullable Boolean skipMeNow) {
         this.skipMeNow = skipMeNow;
         return this;
     }
@@ -827,11 +841,12 @@ public Boolean getSkipMeNow() {
 
     @JsonProperty(JSON_PROPERTY_SKIP_ME_NOW)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSkipMeNow(Boolean skipMeNow) {
+    public void setSkipMeNow(@javax.annotation.Nullable Boolean skipMeNow) {
         this.skipMeNow = skipMeNow;
     }
 
-    public UnclaimedDraftCreateEmbeddedWithTemplateRequest subject(String subject) {
+    public UnclaimedDraftCreateEmbeddedWithTemplateRequest subject(
+            @javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -849,11 +864,12 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public UnclaimedDraftCreateEmbeddedWithTemplateRequest testMode(Boolean testMode) {
+    public UnclaimedDraftCreateEmbeddedWithTemplateRequest testMode(
+            @javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -872,11 +888,12 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public UnclaimedDraftCreateEmbeddedWithTemplateRequest title(String title) {
+    public UnclaimedDraftCreateEmbeddedWithTemplateRequest title(
+            @javax.annotation.Nullable String title) {
         this.title = title;
         return this;
     }
@@ -894,12 +911,12 @@ public String getTitle() {
 
     @JsonProperty(JSON_PROPERTY_TITLE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTitle(String title) {
+    public void setTitle(@javax.annotation.Nullable String title) {
         this.title = title;
     }
 
     public UnclaimedDraftCreateEmbeddedWithTemplateRequest populateAutoFillFields(
-            Boolean populateAutoFillFields) {
+            @javax.annotation.Nullable Boolean populateAutoFillFields) {
         this.populateAutoFillFields = populateAutoFillFields;
         return this;
     }
@@ -921,11 +938,13 @@ public Boolean getPopulateAutoFillFields() {
 
     @JsonProperty(JSON_PROPERTY_POPULATE_AUTO_FILL_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setPopulateAutoFillFields(Boolean populateAutoFillFields) {
+    public void setPopulateAutoFillFields(
+            @javax.annotation.Nullable Boolean populateAutoFillFields) {
         this.populateAutoFillFields = populateAutoFillFields;
     }
 
-    public UnclaimedDraftCreateEmbeddedWithTemplateRequest allowCcs(Boolean allowCcs) {
+    public UnclaimedDraftCreateEmbeddedWithTemplateRequest allowCcs(
+            @javax.annotation.Nullable Boolean allowCcs) {
         this.allowCcs = allowCcs;
         return this;
     }
@@ -944,7 +963,7 @@ public Boolean getAllowCcs() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_CCS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowCcs(Boolean allowCcs) {
+    public void setAllowCcs(@javax.annotation.Nullable Boolean allowCcs) {
         this.allowCcs = allowCcs;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftCreateRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftCreateRequest.java
index 2c2d0ff14..0b0b6b61b 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftCreateRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftCreateRequest.java
@@ -57,7 +57,7 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class UnclaimedDraftCreateRequest {
     /**
@@ -66,9 +66,9 @@ public class UnclaimedDraftCreateRequest {
      * &#x60;request_signature&#x60; then signers name and email_address are not optional.
      */
     public enum TypeEnum {
-        SEND_DOCUMENT("send_document"),
+        SEND_DOCUMENT(String.valueOf("send_document")),
 
-        REQUEST_SIGNATURE("request_signature");
+        REQUEST_SIGNATURE(String.valueOf("request_signature"));
 
         private String value;
 
@@ -98,76 +98,77 @@ public static TypeEnum fromValue(String value) {
     }
 
     public static final String JSON_PROPERTY_TYPE = "type";
-    private TypeEnum type;
+    @javax.annotation.Nonnull private TypeEnum type;
 
     public static final String JSON_PROPERTY_FILES = "files";
-    private List<File> files = null;
+    @javax.annotation.Nullable private List<File> files = null;
 
     public static final String JSON_PROPERTY_FILE_URLS = "file_urls";
-    private List<String> fileUrls = null;
+    @javax.annotation.Nullable private List<String> fileUrls = null;
 
     public static final String JSON_PROPERTY_ALLOW_DECLINE = "allow_decline";
-    private Boolean allowDecline = false;
+    @javax.annotation.Nullable private Boolean allowDecline = false;
 
     public static final String JSON_PROPERTY_ATTACHMENTS = "attachments";
-    private List<SubAttachment> attachments = null;
+    @javax.annotation.Nullable private List<SubAttachment> attachments = null;
 
     public static final String JSON_PROPERTY_CC_EMAIL_ADDRESSES = "cc_email_addresses";
-    private List<String> ccEmailAddresses = null;
+    @javax.annotation.Nullable private List<String> ccEmailAddresses = null;
 
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nullable private String clientId;
 
     public static final String JSON_PROPERTY_CUSTOM_FIELDS = "custom_fields";
-    private List<SubCustomField> customFields = null;
+    @javax.annotation.Nullable private List<SubCustomField> customFields = null;
 
     public static final String JSON_PROPERTY_FIELD_OPTIONS = "field_options";
-    private SubFieldOptions fieldOptions;
+    @javax.annotation.Nullable private SubFieldOptions fieldOptions;
 
     public static final String JSON_PROPERTY_FORM_FIELD_GROUPS = "form_field_groups";
-    private List<SubFormFieldGroup> formFieldGroups = null;
+    @javax.annotation.Nullable private List<SubFormFieldGroup> formFieldGroups = null;
 
     public static final String JSON_PROPERTY_FORM_FIELD_RULES = "form_field_rules";
-    private List<SubFormFieldRule> formFieldRules = null;
+    @javax.annotation.Nullable private List<SubFormFieldRule> formFieldRules = null;
 
     public static final String JSON_PROPERTY_FORM_FIELDS_PER_DOCUMENT = "form_fields_per_document";
-    private List<SubFormFieldsPerDocumentBase> formFieldsPerDocument = null;
+
+    @javax.annotation.Nullable private List<SubFormFieldsPerDocumentBase> formFieldsPerDocument = null;
 
     public static final String JSON_PROPERTY_HIDE_TEXT_TAGS = "hide_text_tags";
-    private Boolean hideTextTags = false;
+    @javax.annotation.Nullable private Boolean hideTextTags = false;
 
     public static final String JSON_PROPERTY_MESSAGE = "message";
-    private String message;
+    @javax.annotation.Nullable private String message;
 
     public static final String JSON_PROPERTY_METADATA = "metadata";
-    private Map<String, Object> metadata = null;
+    @javax.annotation.Nullable private Map<String, Object> metadata = null;
 
     public static final String JSON_PROPERTY_SHOW_PROGRESS_STEPPER = "show_progress_stepper";
-    private Boolean showProgressStepper = true;
+    @javax.annotation.Nullable private Boolean showProgressStepper = true;
 
     public static final String JSON_PROPERTY_SIGNERS = "signers";
-    private List<SubUnclaimedDraftSigner> signers = null;
+    @javax.annotation.Nullable private List<SubUnclaimedDraftSigner> signers = null;
 
     public static final String JSON_PROPERTY_SIGNING_OPTIONS = "signing_options";
-    private SubSigningOptions signingOptions;
+    @javax.annotation.Nullable private SubSigningOptions signingOptions;
 
     public static final String JSON_PROPERTY_SIGNING_REDIRECT_URL = "signing_redirect_url";
-    private String signingRedirectUrl;
+    @javax.annotation.Nullable private String signingRedirectUrl;
 
     public static final String JSON_PROPERTY_SUBJECT = "subject";
-    private String subject;
+    @javax.annotation.Nullable private String subject;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public static final String JSON_PROPERTY_USE_PREEXISTING_FIELDS = "use_preexisting_fields";
-    private Boolean usePreexistingFields = false;
+    @javax.annotation.Nullable private Boolean usePreexistingFields = false;
 
     public static final String JSON_PROPERTY_USE_TEXT_TAGS = "use_text_tags";
-    private Boolean useTextTags = false;
+    @javax.annotation.Nullable private Boolean useTextTags = false;
 
     public static final String JSON_PROPERTY_EXPIRES_AT = "expires_at";
-    private Integer expiresAt;
+    @javax.annotation.Nullable private Integer expiresAt;
 
     public UnclaimedDraftCreateRequest() {}
 
@@ -187,7 +188,7 @@ public static UnclaimedDraftCreateRequest init(HashMap data) throws Exception {
                         UnclaimedDraftCreateRequest.class);
     }
 
-    public UnclaimedDraftCreateRequest type(TypeEnum type) {
+    public UnclaimedDraftCreateRequest type(@javax.annotation.Nonnull TypeEnum type) {
         this.type = type;
         return this;
     }
@@ -208,11 +209,11 @@ public TypeEnum getType() {
 
     @JsonProperty(JSON_PROPERTY_TYPE)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setType(TypeEnum type) {
+    public void setType(@javax.annotation.Nonnull TypeEnum type) {
         this.type = type;
     }
 
-    public UnclaimedDraftCreateRequest files(List<File> files) {
+    public UnclaimedDraftCreateRequest files(@javax.annotation.Nullable List<File> files) {
         this.files = files;
         return this;
     }
@@ -239,11 +240,11 @@ public List<File> getFiles() {
 
     @JsonProperty(JSON_PROPERTY_FILES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFiles(List<File> files) {
+    public void setFiles(@javax.annotation.Nullable List<File> files) {
         this.files = files;
     }
 
-    public UnclaimedDraftCreateRequest fileUrls(List<String> fileUrls) {
+    public UnclaimedDraftCreateRequest fileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
         return this;
     }
@@ -270,11 +271,12 @@ public List<String> getFileUrls() {
 
     @JsonProperty(JSON_PROPERTY_FILE_URLS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFileUrls(List<String> fileUrls) {
+    public void setFileUrls(@javax.annotation.Nullable List<String> fileUrls) {
         this.fileUrls = fileUrls;
     }
 
-    public UnclaimedDraftCreateRequest allowDecline(Boolean allowDecline) {
+    public UnclaimedDraftCreateRequest allowDecline(
+            @javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
         return this;
     }
@@ -293,11 +295,12 @@ public Boolean getAllowDecline() {
 
     @JsonProperty(JSON_PROPERTY_ALLOW_DECLINE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAllowDecline(Boolean allowDecline) {
+    public void setAllowDecline(@javax.annotation.Nullable Boolean allowDecline) {
         this.allowDecline = allowDecline;
     }
 
-    public UnclaimedDraftCreateRequest attachments(List<SubAttachment> attachments) {
+    public UnclaimedDraftCreateRequest attachments(
+            @javax.annotation.Nullable List<SubAttachment> attachments) {
         this.attachments = attachments;
         return this;
     }
@@ -323,11 +326,12 @@ public List<SubAttachment> getAttachments() {
 
     @JsonProperty(JSON_PROPERTY_ATTACHMENTS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setAttachments(List<SubAttachment> attachments) {
+    public void setAttachments(@javax.annotation.Nullable List<SubAttachment> attachments) {
         this.attachments = attachments;
     }
 
-    public UnclaimedDraftCreateRequest ccEmailAddresses(List<String> ccEmailAddresses) {
+    public UnclaimedDraftCreateRequest ccEmailAddresses(
+            @javax.annotation.Nullable List<String> ccEmailAddresses) {
         this.ccEmailAddresses = ccEmailAddresses;
         return this;
     }
@@ -353,11 +357,11 @@ public List<String> getCcEmailAddresses() {
 
     @JsonProperty(JSON_PROPERTY_CC_EMAIL_ADDRESSES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCcEmailAddresses(List<String> ccEmailAddresses) {
+    public void setCcEmailAddresses(@javax.annotation.Nullable List<String> ccEmailAddresses) {
         this.ccEmailAddresses = ccEmailAddresses;
     }
 
-    public UnclaimedDraftCreateRequest clientId(String clientId) {
+    public UnclaimedDraftCreateRequest clientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -376,11 +380,12 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nullable String clientId) {
         this.clientId = clientId;
     }
 
-    public UnclaimedDraftCreateRequest customFields(List<SubCustomField> customFields) {
+    public UnclaimedDraftCreateRequest customFields(
+            @javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
         return this;
     }
@@ -416,11 +421,12 @@ public List<SubCustomField> getCustomFields() {
 
     @JsonProperty(JSON_PROPERTY_CUSTOM_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setCustomFields(List<SubCustomField> customFields) {
+    public void setCustomFields(@javax.annotation.Nullable List<SubCustomField> customFields) {
         this.customFields = customFields;
     }
 
-    public UnclaimedDraftCreateRequest fieldOptions(SubFieldOptions fieldOptions) {
+    public UnclaimedDraftCreateRequest fieldOptions(
+            @javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
         return this;
     }
@@ -438,11 +444,12 @@ public SubFieldOptions getFieldOptions() {
 
     @JsonProperty(JSON_PROPERTY_FIELD_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFieldOptions(SubFieldOptions fieldOptions) {
+    public void setFieldOptions(@javax.annotation.Nullable SubFieldOptions fieldOptions) {
         this.fieldOptions = fieldOptions;
     }
 
-    public UnclaimedDraftCreateRequest formFieldGroups(List<SubFormFieldGroup> formFieldGroups) {
+    public UnclaimedDraftCreateRequest formFieldGroups(
+            @javax.annotation.Nullable List<SubFormFieldGroup> formFieldGroups) {
         this.formFieldGroups = formFieldGroups;
         return this;
     }
@@ -472,11 +479,13 @@ public List<SubFormFieldGroup> getFormFieldGroups() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELD_GROUPS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldGroups(List<SubFormFieldGroup> formFieldGroups) {
+    public void setFormFieldGroups(
+            @javax.annotation.Nullable List<SubFormFieldGroup> formFieldGroups) {
         this.formFieldGroups = formFieldGroups;
     }
 
-    public UnclaimedDraftCreateRequest formFieldRules(List<SubFormFieldRule> formFieldRules) {
+    public UnclaimedDraftCreateRequest formFieldRules(
+            @javax.annotation.Nullable List<SubFormFieldRule> formFieldRules) {
         this.formFieldRules = formFieldRules;
         return this;
     }
@@ -502,12 +511,13 @@ public List<SubFormFieldRule> getFormFieldRules() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELD_RULES)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldRules(List<SubFormFieldRule> formFieldRules) {
+    public void setFormFieldRules(
+            @javax.annotation.Nullable List<SubFormFieldRule> formFieldRules) {
         this.formFieldRules = formFieldRules;
     }
 
     public UnclaimedDraftCreateRequest formFieldsPerDocument(
-            List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
+            @javax.annotation.Nullable List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
         this.formFieldsPerDocument = formFieldsPerDocument;
         return this;
     }
@@ -549,11 +559,13 @@ public List<SubFormFieldsPerDocumentBase> getFormFieldsPerDocument() {
 
     @JsonProperty(JSON_PROPERTY_FORM_FIELDS_PER_DOCUMENT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setFormFieldsPerDocument(List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
+    public void setFormFieldsPerDocument(
+            @javax.annotation.Nullable List<SubFormFieldsPerDocumentBase> formFieldsPerDocument) {
         this.formFieldsPerDocument = formFieldsPerDocument;
     }
 
-    public UnclaimedDraftCreateRequest hideTextTags(Boolean hideTextTags) {
+    public UnclaimedDraftCreateRequest hideTextTags(
+            @javax.annotation.Nullable Boolean hideTextTags) {
         this.hideTextTags = hideTextTags;
         return this;
     }
@@ -576,11 +588,11 @@ public Boolean getHideTextTags() {
 
     @JsonProperty(JSON_PROPERTY_HIDE_TEXT_TAGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setHideTextTags(Boolean hideTextTags) {
+    public void setHideTextTags(@javax.annotation.Nullable Boolean hideTextTags) {
         this.hideTextTags = hideTextTags;
     }
 
-    public UnclaimedDraftCreateRequest message(String message) {
+    public UnclaimedDraftCreateRequest message(@javax.annotation.Nullable String message) {
         this.message = message;
         return this;
     }
@@ -598,11 +610,12 @@ public String getMessage() {
 
     @JsonProperty(JSON_PROPERTY_MESSAGE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMessage(String message) {
+    public void setMessage(@javax.annotation.Nullable String message) {
         this.message = message;
     }
 
-    public UnclaimedDraftCreateRequest metadata(Map<String, Object> metadata) {
+    public UnclaimedDraftCreateRequest metadata(
+            @javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
         return this;
     }
@@ -632,11 +645,12 @@ public Map<String, Object> getMetadata() {
 
     @JsonProperty(JSON_PROPERTY_METADATA)
     @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.USE_DEFAULTS)
-    public void setMetadata(Map<String, Object> metadata) {
+    public void setMetadata(@javax.annotation.Nullable Map<String, Object> metadata) {
         this.metadata = metadata;
     }
 
-    public UnclaimedDraftCreateRequest showProgressStepper(Boolean showProgressStepper) {
+    public UnclaimedDraftCreateRequest showProgressStepper(
+            @javax.annotation.Nullable Boolean showProgressStepper) {
         this.showProgressStepper = showProgressStepper;
         return this;
     }
@@ -655,11 +669,12 @@ public Boolean getShowProgressStepper() {
 
     @JsonProperty(JSON_PROPERTY_SHOW_PROGRESS_STEPPER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setShowProgressStepper(Boolean showProgressStepper) {
+    public void setShowProgressStepper(@javax.annotation.Nullable Boolean showProgressStepper) {
         this.showProgressStepper = showProgressStepper;
     }
 
-    public UnclaimedDraftCreateRequest signers(List<SubUnclaimedDraftSigner> signers) {
+    public UnclaimedDraftCreateRequest signers(
+            @javax.annotation.Nullable List<SubUnclaimedDraftSigner> signers) {
         this.signers = signers;
         return this;
     }
@@ -685,11 +700,12 @@ public List<SubUnclaimedDraftSigner> getSigners() {
 
     @JsonProperty(JSON_PROPERTY_SIGNERS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigners(List<SubUnclaimedDraftSigner> signers) {
+    public void setSigners(@javax.annotation.Nullable List<SubUnclaimedDraftSigner> signers) {
         this.signers = signers;
     }
 
-    public UnclaimedDraftCreateRequest signingOptions(SubSigningOptions signingOptions) {
+    public UnclaimedDraftCreateRequest signingOptions(
+            @javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
         return this;
     }
@@ -707,11 +723,12 @@ public SubSigningOptions getSigningOptions() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningOptions(SubSigningOptions signingOptions) {
+    public void setSigningOptions(@javax.annotation.Nullable SubSigningOptions signingOptions) {
         this.signingOptions = signingOptions;
     }
 
-    public UnclaimedDraftCreateRequest signingRedirectUrl(String signingRedirectUrl) {
+    public UnclaimedDraftCreateRequest signingRedirectUrl(
+            @javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
         return this;
     }
@@ -729,11 +746,11 @@ public String getSigningRedirectUrl() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_REDIRECT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningRedirectUrl(String signingRedirectUrl) {
+    public void setSigningRedirectUrl(@javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
     }
 
-    public UnclaimedDraftCreateRequest subject(String subject) {
+    public UnclaimedDraftCreateRequest subject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
         return this;
     }
@@ -751,11 +768,11 @@ public String getSubject() {
 
     @JsonProperty(JSON_PROPERTY_SUBJECT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSubject(String subject) {
+    public void setSubject(@javax.annotation.Nullable String subject) {
         this.subject = subject;
     }
 
-    public UnclaimedDraftCreateRequest testMode(Boolean testMode) {
+    public UnclaimedDraftCreateRequest testMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -774,11 +791,12 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
-    public UnclaimedDraftCreateRequest usePreexistingFields(Boolean usePreexistingFields) {
+    public UnclaimedDraftCreateRequest usePreexistingFields(
+            @javax.annotation.Nullable Boolean usePreexistingFields) {
         this.usePreexistingFields = usePreexistingFields;
         return this;
     }
@@ -802,11 +820,11 @@ public Boolean getUsePreexistingFields() {
 
     @JsonProperty(JSON_PROPERTY_USE_PREEXISTING_FIELDS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setUsePreexistingFields(Boolean usePreexistingFields) {
+    public void setUsePreexistingFields(@javax.annotation.Nullable Boolean usePreexistingFields) {
         this.usePreexistingFields = usePreexistingFields;
     }
 
-    public UnclaimedDraftCreateRequest useTextTags(Boolean useTextTags) {
+    public UnclaimedDraftCreateRequest useTextTags(@javax.annotation.Nullable Boolean useTextTags) {
         this.useTextTags = useTextTags;
         return this;
     }
@@ -830,11 +848,11 @@ public Boolean getUseTextTags() {
 
     @JsonProperty(JSON_PROPERTY_USE_TEXT_TAGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setUseTextTags(Boolean useTextTags) {
+    public void setUseTextTags(@javax.annotation.Nullable Boolean useTextTags) {
         this.useTextTags = useTextTags;
     }
 
-    public UnclaimedDraftCreateRequest expiresAt(Integer expiresAt) {
+    public UnclaimedDraftCreateRequest expiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
         return this;
     }
@@ -855,7 +873,7 @@ public Integer getExpiresAt() {
 
     @JsonProperty(JSON_PROPERTY_EXPIRES_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setExpiresAt(Integer expiresAt) {
+    public void setExpiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftCreateResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftCreateResponse.java
index 6e6ed41c1..f93c402e8 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftCreateResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftCreateResponse.java
@@ -32,14 +32,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class UnclaimedDraftCreateResponse {
     public static final String JSON_PROPERTY_UNCLAIMED_DRAFT = "unclaimed_draft";
-    private UnclaimedDraftResponse unclaimedDraft;
+    @javax.annotation.Nonnull private UnclaimedDraftResponse unclaimedDraft;
 
     public static final String JSON_PROPERTY_WARNINGS = "warnings";
-    private List<WarningResponse> warnings = null;
+    @javax.annotation.Nullable private List<WarningResponse> warnings = null;
 
     public UnclaimedDraftCreateResponse() {}
 
@@ -59,7 +59,8 @@ public static UnclaimedDraftCreateResponse init(HashMap data) throws Exception {
                         UnclaimedDraftCreateResponse.class);
     }
 
-    public UnclaimedDraftCreateResponse unclaimedDraft(UnclaimedDraftResponse unclaimedDraft) {
+    public UnclaimedDraftCreateResponse unclaimedDraft(
+            @javax.annotation.Nonnull UnclaimedDraftResponse unclaimedDraft) {
         this.unclaimedDraft = unclaimedDraft;
         return this;
     }
@@ -78,11 +79,12 @@ public UnclaimedDraftResponse getUnclaimedDraft() {
 
     @JsonProperty(JSON_PROPERTY_UNCLAIMED_DRAFT)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setUnclaimedDraft(UnclaimedDraftResponse unclaimedDraft) {
+    public void setUnclaimedDraft(@javax.annotation.Nonnull UnclaimedDraftResponse unclaimedDraft) {
         this.unclaimedDraft = unclaimedDraft;
     }
 
-    public UnclaimedDraftCreateResponse warnings(List<WarningResponse> warnings) {
+    public UnclaimedDraftCreateResponse warnings(
+            @javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
         return this;
     }
@@ -108,7 +110,7 @@ public List<WarningResponse> getWarnings() {
 
     @JsonProperty(JSON_PROPERTY_WARNINGS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setWarnings(List<WarningResponse> warnings) {
+    public void setWarnings(@javax.annotation.Nullable List<WarningResponse> warnings) {
         this.warnings = warnings;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftEditAndResendRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftEditAndResendRequest.java
index eabad715c..adf4c94e6 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftEditAndResendRequest.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftEditAndResendRequest.java
@@ -36,32 +36,32 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class UnclaimedDraftEditAndResendRequest {
     public static final String JSON_PROPERTY_CLIENT_ID = "client_id";
-    private String clientId;
+    @javax.annotation.Nonnull private String clientId;
 
     public static final String JSON_PROPERTY_EDITOR_OPTIONS = "editor_options";
-    private SubEditorOptions editorOptions;
+    @javax.annotation.Nullable private SubEditorOptions editorOptions;
 
     public static final String JSON_PROPERTY_IS_FOR_EMBEDDED_SIGNING = "is_for_embedded_signing";
-    private Boolean isForEmbeddedSigning;
+    @javax.annotation.Nullable private Boolean isForEmbeddedSigning;
 
     public static final String JSON_PROPERTY_REQUESTER_EMAIL_ADDRESS = "requester_email_address";
-    private String requesterEmailAddress;
+    @javax.annotation.Nullable private String requesterEmailAddress;
 
     public static final String JSON_PROPERTY_REQUESTING_REDIRECT_URL = "requesting_redirect_url";
-    private String requestingRedirectUrl;
+    @javax.annotation.Nullable private String requestingRedirectUrl;
 
     public static final String JSON_PROPERTY_SHOW_PROGRESS_STEPPER = "show_progress_stepper";
-    private Boolean showProgressStepper = true;
+    @javax.annotation.Nullable private Boolean showProgressStepper = true;
 
     public static final String JSON_PROPERTY_SIGNING_REDIRECT_URL = "signing_redirect_url";
-    private String signingRedirectUrl;
+    @javax.annotation.Nullable private String signingRedirectUrl;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode = false;
+    @javax.annotation.Nullable private Boolean testMode = false;
 
     public UnclaimedDraftEditAndResendRequest() {}
 
@@ -81,7 +81,7 @@ public static UnclaimedDraftEditAndResendRequest init(HashMap data) throws Excep
                         UnclaimedDraftEditAndResendRequest.class);
     }
 
-    public UnclaimedDraftEditAndResendRequest clientId(String clientId) {
+    public UnclaimedDraftEditAndResendRequest clientId(@javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
         return this;
     }
@@ -101,11 +101,12 @@ public String getClientId() {
 
     @JsonProperty(JSON_PROPERTY_CLIENT_ID)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setClientId(String clientId) {
+    public void setClientId(@javax.annotation.Nonnull String clientId) {
         this.clientId = clientId;
     }
 
-    public UnclaimedDraftEditAndResendRequest editorOptions(SubEditorOptions editorOptions) {
+    public UnclaimedDraftEditAndResendRequest editorOptions(
+            @javax.annotation.Nullable SubEditorOptions editorOptions) {
         this.editorOptions = editorOptions;
         return this;
     }
@@ -123,11 +124,12 @@ public SubEditorOptions getEditorOptions() {
 
     @JsonProperty(JSON_PROPERTY_EDITOR_OPTIONS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setEditorOptions(SubEditorOptions editorOptions) {
+    public void setEditorOptions(@javax.annotation.Nullable SubEditorOptions editorOptions) {
         this.editorOptions = editorOptions;
     }
 
-    public UnclaimedDraftEditAndResendRequest isForEmbeddedSigning(Boolean isForEmbeddedSigning) {
+    public UnclaimedDraftEditAndResendRequest isForEmbeddedSigning(
+            @javax.annotation.Nullable Boolean isForEmbeddedSigning) {
         this.isForEmbeddedSigning = isForEmbeddedSigning;
         return this;
     }
@@ -146,11 +148,12 @@ public Boolean getIsForEmbeddedSigning() {
 
     @JsonProperty(JSON_PROPERTY_IS_FOR_EMBEDDED_SIGNING)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setIsForEmbeddedSigning(Boolean isForEmbeddedSigning) {
+    public void setIsForEmbeddedSigning(@javax.annotation.Nullable Boolean isForEmbeddedSigning) {
         this.isForEmbeddedSigning = isForEmbeddedSigning;
     }
 
-    public UnclaimedDraftEditAndResendRequest requesterEmailAddress(String requesterEmailAddress) {
+    public UnclaimedDraftEditAndResendRequest requesterEmailAddress(
+            @javax.annotation.Nullable String requesterEmailAddress) {
         this.requesterEmailAddress = requesterEmailAddress;
         return this;
     }
@@ -169,11 +172,12 @@ public String getRequesterEmailAddress() {
 
     @JsonProperty(JSON_PROPERTY_REQUESTER_EMAIL_ADDRESS)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRequesterEmailAddress(String requesterEmailAddress) {
+    public void setRequesterEmailAddress(@javax.annotation.Nullable String requesterEmailAddress) {
         this.requesterEmailAddress = requesterEmailAddress;
     }
 
-    public UnclaimedDraftEditAndResendRequest requestingRedirectUrl(String requestingRedirectUrl) {
+    public UnclaimedDraftEditAndResendRequest requestingRedirectUrl(
+            @javax.annotation.Nullable String requestingRedirectUrl) {
         this.requestingRedirectUrl = requestingRedirectUrl;
         return this;
     }
@@ -191,11 +195,12 @@ public String getRequestingRedirectUrl() {
 
     @JsonProperty(JSON_PROPERTY_REQUESTING_REDIRECT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRequestingRedirectUrl(String requestingRedirectUrl) {
+    public void setRequestingRedirectUrl(@javax.annotation.Nullable String requestingRedirectUrl) {
         this.requestingRedirectUrl = requestingRedirectUrl;
     }
 
-    public UnclaimedDraftEditAndResendRequest showProgressStepper(Boolean showProgressStepper) {
+    public UnclaimedDraftEditAndResendRequest showProgressStepper(
+            @javax.annotation.Nullable Boolean showProgressStepper) {
         this.showProgressStepper = showProgressStepper;
         return this;
     }
@@ -214,11 +219,12 @@ public Boolean getShowProgressStepper() {
 
     @JsonProperty(JSON_PROPERTY_SHOW_PROGRESS_STEPPER)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setShowProgressStepper(Boolean showProgressStepper) {
+    public void setShowProgressStepper(@javax.annotation.Nullable Boolean showProgressStepper) {
         this.showProgressStepper = showProgressStepper;
     }
 
-    public UnclaimedDraftEditAndResendRequest signingRedirectUrl(String signingRedirectUrl) {
+    public UnclaimedDraftEditAndResendRequest signingRedirectUrl(
+            @javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
         return this;
     }
@@ -236,11 +242,12 @@ public String getSigningRedirectUrl() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_REDIRECT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningRedirectUrl(String signingRedirectUrl) {
+    public void setSigningRedirectUrl(@javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
     }
 
-    public UnclaimedDraftEditAndResendRequest testMode(Boolean testMode) {
+    public UnclaimedDraftEditAndResendRequest testMode(
+            @javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -259,7 +266,7 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftResponse.java
index 7de5a3ecf..cf497fce5 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/UnclaimedDraftResponse.java
@@ -34,26 +34,26 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class UnclaimedDraftResponse {
     public static final String JSON_PROPERTY_SIGNATURE_REQUEST_ID = "signature_request_id";
-    private String signatureRequestId;
+    @javax.annotation.Nullable private String signatureRequestId;
 
     public static final String JSON_PROPERTY_CLAIM_URL = "claim_url";
-    private String claimUrl;
+    @javax.annotation.Nullable private String claimUrl;
 
     public static final String JSON_PROPERTY_SIGNING_REDIRECT_URL = "signing_redirect_url";
-    private String signingRedirectUrl;
+    @javax.annotation.Nullable private String signingRedirectUrl;
 
     public static final String JSON_PROPERTY_REQUESTING_REDIRECT_URL = "requesting_redirect_url";
-    private String requestingRedirectUrl;
+    @javax.annotation.Nullable private String requestingRedirectUrl;
 
     public static final String JSON_PROPERTY_EXPIRES_AT = "expires_at";
-    private Integer expiresAt;
+    @javax.annotation.Nullable private Integer expiresAt;
 
     public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
-    private Boolean testMode;
+    @javax.annotation.Nullable private Boolean testMode;
 
     public UnclaimedDraftResponse() {}
 
@@ -72,7 +72,8 @@ public static UnclaimedDraftResponse init(HashMap data) throws Exception {
                         new ObjectMapper().writeValueAsString(data), UnclaimedDraftResponse.class);
     }
 
-    public UnclaimedDraftResponse signatureRequestId(String signatureRequestId) {
+    public UnclaimedDraftResponse signatureRequestId(
+            @javax.annotation.Nullable String signatureRequestId) {
         this.signatureRequestId = signatureRequestId;
         return this;
     }
@@ -90,11 +91,11 @@ public String getSignatureRequestId() {
 
     @JsonProperty(JSON_PROPERTY_SIGNATURE_REQUEST_ID)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSignatureRequestId(String signatureRequestId) {
+    public void setSignatureRequestId(@javax.annotation.Nullable String signatureRequestId) {
         this.signatureRequestId = signatureRequestId;
     }
 
-    public UnclaimedDraftResponse claimUrl(String claimUrl) {
+    public UnclaimedDraftResponse claimUrl(@javax.annotation.Nullable String claimUrl) {
         this.claimUrl = claimUrl;
         return this;
     }
@@ -112,11 +113,12 @@ public String getClaimUrl() {
 
     @JsonProperty(JSON_PROPERTY_CLAIM_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setClaimUrl(String claimUrl) {
+    public void setClaimUrl(@javax.annotation.Nullable String claimUrl) {
         this.claimUrl = claimUrl;
     }
 
-    public UnclaimedDraftResponse signingRedirectUrl(String signingRedirectUrl) {
+    public UnclaimedDraftResponse signingRedirectUrl(
+            @javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
         return this;
     }
@@ -134,11 +136,12 @@ public String getSigningRedirectUrl() {
 
     @JsonProperty(JSON_PROPERTY_SIGNING_REDIRECT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setSigningRedirectUrl(String signingRedirectUrl) {
+    public void setSigningRedirectUrl(@javax.annotation.Nullable String signingRedirectUrl) {
         this.signingRedirectUrl = signingRedirectUrl;
     }
 
-    public UnclaimedDraftResponse requestingRedirectUrl(String requestingRedirectUrl) {
+    public UnclaimedDraftResponse requestingRedirectUrl(
+            @javax.annotation.Nullable String requestingRedirectUrl) {
         this.requestingRedirectUrl = requestingRedirectUrl;
         return this;
     }
@@ -157,11 +160,11 @@ public String getRequestingRedirectUrl() {
 
     @JsonProperty(JSON_PROPERTY_REQUESTING_REDIRECT_URL)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setRequestingRedirectUrl(String requestingRedirectUrl) {
+    public void setRequestingRedirectUrl(@javax.annotation.Nullable String requestingRedirectUrl) {
         this.requestingRedirectUrl = requestingRedirectUrl;
     }
 
-    public UnclaimedDraftResponse expiresAt(Integer expiresAt) {
+    public UnclaimedDraftResponse expiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
         return this;
     }
@@ -179,11 +182,11 @@ public Integer getExpiresAt() {
 
     @JsonProperty(JSON_PROPERTY_EXPIRES_AT)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setExpiresAt(Integer expiresAt) {
+    public void setExpiresAt(@javax.annotation.Nullable Integer expiresAt) {
         this.expiresAt = expiresAt;
     }
 
-    public UnclaimedDraftResponse testMode(Boolean testMode) {
+    public UnclaimedDraftResponse testMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
         return this;
     }
@@ -201,7 +204,7 @@ public Boolean getTestMode() {
 
     @JsonProperty(JSON_PROPERTY_TEST_MODE)
     @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-    public void setTestMode(Boolean testMode) {
+    public void setTestMode(@javax.annotation.Nullable Boolean testMode) {
         this.testMode = testMode;
     }
 
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/WarningResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/WarningResponse.java
index acbd565ff..df3fc0502 100644
--- a/sdks/java-v1/src/main/java/com/dropbox/sign/model/WarningResponse.java
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/WarningResponse.java
@@ -30,14 +30,14 @@
 })
 @javax.annotation.Generated(
         value = "org.openapitools.codegen.languages.JavaClientCodegen",
-        comments = "Generator version: 7.8.0")
+        comments = "Generator version: 7.12.0")
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class WarningResponse {
     public static final String JSON_PROPERTY_WARNING_MSG = "warning_msg";
-    private String warningMsg;
+    @javax.annotation.Nonnull private String warningMsg;
 
     public static final String JSON_PROPERTY_WARNING_NAME = "warning_name";
-    private String warningName;
+    @javax.annotation.Nonnull private String warningName;
 
     public WarningResponse() {}
 
@@ -55,7 +55,7 @@ public static WarningResponse init(HashMap data) throws Exception {
                 .readValue(new ObjectMapper().writeValueAsString(data), WarningResponse.class);
     }
 
-    public WarningResponse warningMsg(String warningMsg) {
+    public WarningResponse warningMsg(@javax.annotation.Nonnull String warningMsg) {
         this.warningMsg = warningMsg;
         return this;
     }
@@ -74,11 +74,11 @@ public String getWarningMsg() {
 
     @JsonProperty(JSON_PROPERTY_WARNING_MSG)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setWarningMsg(String warningMsg) {
+    public void setWarningMsg(@javax.annotation.Nonnull String warningMsg) {
         this.warningMsg = warningMsg;
     }
 
-    public WarningResponse warningName(String warningName) {
+    public WarningResponse warningName(@javax.annotation.Nonnull String warningName) {
         this.warningName = warningName;
         return this;
     }
@@ -97,7 +97,7 @@ public String getWarningName() {
 
     @JsonProperty(JSON_PROPERTY_WARNING_NAME)
     @JsonInclude(value = JsonInclude.Include.ALWAYS)
-    public void setWarningName(String warningName) {
+    public void setWarningName(@javax.annotation.Nonnull String warningName) {
         this.warningName = warningName;
     }
 
diff --git a/sdks/java-v1/templates/BeanValidationException.mustache b/sdks/java-v1/templates/BeanValidationException.mustache
index d8b0fa695..d551902f8 100644
--- a/sdks/java-v1/templates/BeanValidationException.mustache
+++ b/sdks/java-v1/templates/BeanValidationException.mustache
@@ -4,8 +4,8 @@ package {{invokerPackage}};
 
 import java.util.Set;
 
-import jakarta.validation.ConstraintViolation;
-import jakarta.validation.ValidationException;
+import {{javaxPackage}}.validation.ConstraintViolation;
+import {{javaxPackage}}.validation.ValidationException;
 
 public class BeanValidationException extends ValidationException {
     /**
diff --git a/sdks/java-v1/templates/Configuration.mustache b/sdks/java-v1/templates/Configuration.mustache
index 8e9720e36..61b08ab67 100644
--- a/sdks/java-v1/templates/Configuration.mustache
+++ b/sdks/java-v1/templates/Configuration.mustache
@@ -6,7 +6,7 @@ package {{invokerPackage}};
 public class Configuration {
     public static final String VERSION = "{{{artifactVersion}}}";
 
-    private static ApiClient defaultApiClient = new ApiClient();
+    private static volatile ApiClient defaultApiClient = new ApiClient();
 
     /**
      * Get the default API client, which would be used when creating API
diff --git a/sdks/java-v1/templates/JSON.mustache b/sdks/java-v1/templates/JSON.mustache
index 1d0a81387..5ef02660d 100644
--- a/sdks/java-v1/templates/JSON.mustache
+++ b/sdks/java-v1/templates/JSON.mustache
@@ -31,9 +31,11 @@ import java.lang.reflect.Type;
 import java.text.DateFormat;
 import java.text.ParseException;
 import java.text.ParsePosition;
+{{#jsr310}}
 import java.time.LocalDate;
 import java.time.OffsetDateTime;
 import java.time.format.DateTimeFormatter;
+{{/jsr310}}
 import java.util.Date;
 import java.util.Locale;
 import java.util.Map;
diff --git a/sdks/java-v1/templates/build.gradle.mustache b/sdks/java-v1/templates/build.gradle.mustache
index 06f9bd5e9..6557a7c70 100644
--- a/sdks/java-v1/templates/build.gradle.mustache
+++ b/sdks/java-v1/templates/build.gradle.mustache
@@ -66,7 +66,7 @@ if(hasProperty('target') && target == 'android') {
 
     task sourcesJar(type: Jar) {
         from android.sourceSets.main.java.srcDirs
-        classifier = 'sources'
+        archiveClassifier = 'sources'
     }
 
     artifacts {
@@ -97,12 +97,12 @@ if(hasProperty('target') && target == 'android') {
     }
 
     task sourcesJar(type: Jar, dependsOn: classes) {
-        classifier = 'sources'
+        archiveClassifier = 'sources'
         from sourceSets.main.allSource
     }
 
     task javadocJar(type: Jar, dependsOn: javadoc) {
-        classifier = 'javadoc'
+        archiveClassifier = 'javadoc'
         from javadoc.destinationDir
     }
 
@@ -126,6 +126,9 @@ ext {
     jersey_version = "1.19.4"
     jodatime_version = "2.9.9"
     junit_version = "5.10.2"
+    {{#useReflectionEqualsHashCode}}
+    commons_lang3_version = "3.17.0"
+    {{/useReflectionEqualsHashCode}}
 }
 
 dependencies {
@@ -148,6 +151,9 @@ dependencies {
     {{#useBeanValidation}}
     implementation "jakarta.validation:jakarta.validation-api:$bean_validation_version"
     {{/useBeanValidation}}
+    {{#useReflectionEqualsHashCode}}
+    implementation "org.apache.commons:commons-lang3:$commons_lang3_version"
+    {{/useReflectionEqualsHashCode}}
     testImplementation "junit:junit:$junit_version"
     testImplementation "org.junit.jupiter:junit-jupiter-api:$junit_version"
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:$junit_version"
diff --git a/sdks/java-v1/templates/javaBuilder.mustache b/sdks/java-v1/templates/javaBuilder.mustache
index c02730081..4a0e102b8 100644
--- a/sdks/java-v1/templates/javaBuilder.mustache
+++ b/sdks/java-v1/templates/javaBuilder.mustache
@@ -14,9 +14,9 @@ public static class Builder {{#parentModel}}extends {{classname}}.Builder {{/par
     }
 
     {{#vars}}
-    public {{classname}}.Builder {{name}}({{{datatypeWithEnum}}} {{name}}) {
+    public {{classname}}.Builder {{name}}({{#removeAnnotations}}{{{datatypeWithEnum}}}{{/removeAnnotations}} {{name}}) {
     {{#vendorExtensions.x-is-jackson-optional-nullable}}
-      this.instance.{{name}} = JsonNullable.<{{{datatypeWithEnum}}}>of({{name}});
+      this.instance.{{name}} = JsonNullable.<{{#removeAnnotations}}{{{datatypeWithEnum}}}{{/removeAnnotations}}>of({{name}});
     {{/vendorExtensions.x-is-jackson-optional-nullable}}
     {{^vendorExtensions.x-is-jackson-optional-nullable}}
       this.instance.{{name}} = {{name}};
@@ -24,7 +24,7 @@ public static class Builder {{#parentModel}}extends {{classname}}.Builder {{/par
       return this;
     }
     {{#vendorExtensions.x-is-jackson-optional-nullable}}
-    public {{classname}}.Builder {{name}}(JsonNullable<{{{datatypeWithEnum}}}> {{name}}) {
+    public {{classname}}.Builder {{name}}(JsonNullable<{{#removeAnnotations}}{{{datatypeWithEnum}}}{{/removeAnnotations}}> {{name}}) {
       this.instance.{{name}} = {{name}};
       return this;
     }
@@ -32,12 +32,12 @@ public static class Builder {{#parentModel}}extends {{classname}}.Builder {{/par
     {{/vars}}
 
 {{#parentVars}}
-    public {{classname}}.Builder {{name}}({{{datatypeWithEnum}}} {{name}}) { // inherited: {{isInherited}}
+    public {{classname}}.Builder {{name}}({{#removeAnnotations}}{{{datatypeWithEnum}}}{{/removeAnnotations}} {{name}}) { // inherited: {{isInherited}}
       super.{{name}}({{name}});
       return this;
    }
     {{#vendorExtensions.x-is-jackson-optional-nullable}}
-    public {{classname}}.Builder {{name}}(JsonNullable<{{{datatypeWithEnum}}}> {{name}}) {
+    public {{classname}}.Builder {{name}}(JsonNullable<{{#removeAnnotations}}{{{datatypeWithEnum}}}{{/removeAnnotations}}> {{name}}) {
       this.instance.{{name}} = {{name}};
       return this;
     }
diff --git a/sdks/java-v1/templates/libraries/apache-httpclient/ApiClient.mustache b/sdks/java-v1/templates/libraries/apache-httpclient/ApiClient.mustache
index a00c6dc45..854d8a6cd 100644
--- a/sdks/java-v1/templates/libraries/apache-httpclient/ApiClient.mustache
+++ b/sdks/java-v1/templates/libraries/apache-httpclient/ApiClient.mustache
@@ -137,7 +137,7 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
   public ApiClient(CloseableHttpClient httpClient) {
     objectMapper = new ObjectMapper();
     objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
-    objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+    objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, {{failOnUnknownProperties}});
     objectMapper.configure(DeserializationFeature.FAIL_ON_INVALID_SUBTYPE, false);
     objectMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
     objectMapper.enable(SerializationFeature.WRITE_ENUMS_USING_TO_STRING);
@@ -444,7 +444,7 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
    * @param userAgent User agent
    * @return API client
    */
-  public ApiClient setUserAgent(String userAgent) {
+  public final ApiClient setUserAgent(String userAgent) {
     addDefaultHeader("User-Agent", userAgent);
     return this;
   }
@@ -622,7 +622,7 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
    * @param value The value of the parameter.
    * @return A list of {@code Pair} objects.
    */
-  public List<Pair> parameterToPairs(String collectionFormat, String name, Collection value) {
+  public List<Pair> parameterToPairs(String collectionFormat, String name, Collection<?> value) {
     List<Pair> params = new ArrayList<Pair>();
 
     // preconditions
diff --git a/sdks/java-v1/templates/libraries/apache-httpclient/api.mustache b/sdks/java-v1/templates/libraries/apache-httpclient/api.mustache
index 27b456417..cfcd9f04c 100644
--- a/sdks/java-v1/templates/libraries/apache-httpclient/api.mustache
+++ b/sdks/java-v1/templates/libraries/apache-httpclient/api.mustache
@@ -24,8 +24,8 @@ import java.util.Map;
 import java.util.StringJoiner;
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 
 {{/useBeanValidation}}
 {{>generatedAnnotation}}
@@ -99,7 +99,7 @@ public class {{classname}} extends BaseApi {
     {{/required}}{{/allParams}}
     // create path and map variables
     String localVarPath = "{{{path}}}"{{#pathParams}}
-      .replaceAll("\\{" + "{{baseName}}" + "\\}", apiClient.escapeString({{{paramName}}}.toString())){{/pathParams}};
+      .replaceAll("\\{" + "{{baseName}}" + "\\}", apiClient.escapeString(apiClient.parameterToString({{{paramName}}}))){{/pathParams}};
 
     StringJoiner localVarQueryStringJoiner = new StringJoiner("&");
     String localVarQueryParameterBaseName;
diff --git a/sdks/java-v1/templates/libraries/apache-httpclient/api_test.mustache b/sdks/java-v1/templates/libraries/apache-httpclient/api_test.mustache
index b4393ea82..05b2bf9fd 100644
--- a/sdks/java-v1/templates/libraries/apache-httpclient/api_test.mustache
+++ b/sdks/java-v1/templates/libraries/apache-httpclient/api_test.mustache
@@ -17,8 +17,8 @@ import java.util.List;
 import java.util.Map;
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 
 {{/useBeanValidation}}
 /**
diff --git a/sdks/java-v1/templates/libraries/apache-httpclient/pom.mustache b/sdks/java-v1/templates/libraries/apache-httpclient/pom.mustache
index 74a70a3ea..3a506ca3f 100644
--- a/sdks/java-v1/templates/libraries/apache-httpclient/pom.mustache
+++ b/sdks/java-v1/templates/libraries/apache-httpclient/pom.mustache
@@ -358,13 +358,12 @@
         {{/openApiNullable}}
         {{#useJakartaEe}}
         <jakarta-annotation-version>2.1.1</jakarta-annotation-version>
+        <beanvalidation-version>3.0.2</beanvalidation-version>
         {{/useJakartaEe}}
         {{^useJakartaEe}}
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
+        <beanvalidation-version>2.0.2</beanvalidation-version>
         {{/useJakartaEe}}
-        {{#useBeanValidation}}
-        <beanvalidation-version>3.0.2</beanvalidation-version>
-        {{/useBeanValidation}}
         <junit-version>5.10.2</junit-version>
     </properties>
 </project>
diff --git a/sdks/java-v1/templates/libraries/feign/ApiClient.mustache b/sdks/java-v1/templates/libraries/feign/ApiClient.mustache
index 9a5b9bcd0..f744eec13 100644
--- a/sdks/java-v1/templates/libraries/feign/ApiClient.mustache
+++ b/sdks/java-v1/templates/libraries/feign/ApiClient.mustache
@@ -173,7 +173,12 @@ public class ApiClient {
     ObjectMapper objectMapper = new ObjectMapper();
     objectMapper.enable(SerializationFeature.WRITE_ENUMS_USING_TO_STRING);
     objectMapper.enable(DeserializationFeature.READ_ENUMS_USING_TO_STRING);
+    {{#failOnUnknownProperties}}
+    objectMapper.enable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
+    {{/failOnUnknownProperties}}
+    {{^failOnUnknownProperties}}
     objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
+    {{/failOnUnknownProperties}}
     objectMapper.disable(DeserializationFeature.FAIL_ON_INVALID_SUBTYPE);
     objectMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
     objectMapper.setDateFormat(new RFC3339DateFormat());
diff --git a/sdks/java-v1/templates/libraries/feign/README.mustache b/sdks/java-v1/templates/libraries/feign/README.mustache
index fed3cbebd..c3d948749 100644
--- a/sdks/java-v1/templates/libraries/feign/README.mustache
+++ b/sdks/java-v1/templates/libraries/feign/README.mustache
@@ -32,7 +32,7 @@ After the client library is installed/deployed, you can use it in your Maven pro
 
 ```
 
-And to use the api you can follow the examples bellow:
+And to use the api you can follow the examples below:
 
 ```java
 
diff --git a/sdks/java-v1/templates/libraries/feign/api.mustache b/sdks/java-v1/templates/libraries/feign/api.mustache
index af05d6595..d67de9a28 100644
--- a/sdks/java-v1/templates/libraries/feign/api.mustache
+++ b/sdks/java-v1/templates/libraries/feign/api.mustache
@@ -15,8 +15,8 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 
 {{/useBeanValidation}}
 import feign.*;
@@ -47,8 +47,8 @@ public interface {{classname}} extends ApiClient.Api {
 {{/isDeprecated}}
   @RequestLine("{{httpMethod}} {{{path}}}{{#hasQueryParams}}?{{/hasQueryParams}}{{#queryParams}}{{baseName}}={{=<% %>=}}{<%paramName%>}<%={{ }}=%>{{^-last}}&{{/-last}}{{/queryParams}}")
   @Headers({
-{{#vendorExtensions.x-content-type}}    "Content-Type: {{vendorExtensions.x-content-type}}",
-{{/vendorExtensions.x-content-type}}    "Accept: {{#vendorExtensions.x-accepts}}{{.}}{{^-last}},{{/-last}}{{/vendorExtensions.x-accepts}}",{{#headerParams}}
+{{#vendorExtensions.x-content-type}}    "Content-Type: {{{vendorExtensions.x-content-type}}}",
+{{/vendorExtensions.x-content-type}}    "Accept: {{#vendorExtensions.x-accepts}}{{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-accepts}}",{{#headerParams}}
     "{{baseName}}: {{=<% %>=}}{<%paramName%>}<%={{ }}=%>"{{^-last}},
     {{/-last}}{{/headerParams}}
   })
@@ -77,8 +77,8 @@ public interface {{classname}} extends ApiClient.Api {
 {{/isDeprecated}}
   @RequestLine("{{httpMethod}} {{{path}}}{{#hasQueryParams}}?{{/hasQueryParams}}{{#queryParams}}{{baseName}}={{=<% %>=}}{<%paramName%>}<%={{ }}=%>{{^-last}}&{{/-last}}{{/queryParams}}")
   @Headers({
-{{#vendorExtensions.x-content-type}}    "Content-Type: {{vendorExtensions.x-content-type}}",
-{{/vendorExtensions.x-content-type}}    "Accept: {{#vendorExtensions.x-accepts}}{{.}}{{^-last}},{{/-last}}{{/vendorExtensions.x-accepts}}",{{#headerParams}}
+{{#vendorExtensions.x-content-type}}    "Content-Type: {{{vendorExtensions.x-content-type}}}",
+{{/vendorExtensions.x-content-type}}    "Accept: {{#vendorExtensions.x-accepts}}{{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-accepts}}",{{#headerParams}}
     "{{baseName}}: {{=<% %>=}}{<%paramName%>}<%={{ }}=%>"{{^-last}},
     {{/-last}}{{/headerParams}}
   })
@@ -122,8 +122,8 @@ public interface {{classname}} extends ApiClient.Api {
   {{/isDeprecated}}
   @RequestLine("{{httpMethod}} {{{path}}}?{{#queryParams}}{{baseName}}={{=<% %>=}}{<%paramName%>}<%={{ }}=%>{{^-last}}&{{/-last}}{{/queryParams}}")
   @Headers({
-{{#vendorExtensions.x-content-type}}  "Content-Type: {{vendorExtensions.x-content-type}}",
-{{/vendorExtensions.x-content-type}}  "Accept: {{#vendorExtensions.x-accepts}}{{.}}{{^-last}},{{/-last}}{{/vendorExtensions.x-accepts}}",{{#headerParams}}
+{{#vendorExtensions.x-content-type}}  "Content-Type: {{{vendorExtensions.x-content-type}}}",
+{{/vendorExtensions.x-content-type}}  "Accept: {{#vendorExtensions.x-accepts}}{{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-accepts}}",{{#headerParams}}
       "{{baseName}}: {{=<% %>=}}{<%paramName%>}<%={{ }}=%>"{{^-last}},
       {{/-last}}{{/headerParams}}
   })
@@ -162,8 +162,8 @@ public interface {{classname}} extends ApiClient.Api {
   {{/isDeprecated}}
       @RequestLine("{{httpMethod}} {{{path}}}?{{#queryParams}}{{baseName}}={{=<% %>=}}{<%paramName%>}<%={{ }}=%>{{^-last}}&{{/-last}}{{/queryParams}}")
       @Headers({
-  {{#vendorExtensions.x-content-type}}  "Content-Type: {{vendorExtensions.x-content-type}}",
-  {{/vendorExtensions.x-content-type}}  "Accept: {{#vendorExtensions.x-accepts}}{{.}}{{^-last}},{{/-last}}{{/vendorExtensions.x-accepts}}",{{#headerParams}}
+  {{#vendorExtensions.x-content-type}}  "Content-Type: {{{vendorExtensions.x-content-type}}}",
+  {{/vendorExtensions.x-content-type}}  "Accept: {{#vendorExtensions.x-accepts}}{{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-accepts}}",{{#headerParams}}
           "{{baseName}}: {{=<% %>=}}{<%paramName%>}<%={{ }}=%>"{{^-last}},
       {{/-last}}{{/headerParams}}
       })
diff --git a/sdks/java-v1/templates/libraries/feign/api_test.mustache b/sdks/java-v1/templates/libraries/feign/api_test.mustache
index 1db841158..62521123f 100644
--- a/sdks/java-v1/templates/libraries/feign/api_test.mustache
+++ b/sdks/java-v1/templates/libraries/feign/api_test.mustache
@@ -14,8 +14,8 @@ import java.util.List;
 import java.util.Map;
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 
 {{/useBeanValidation}}
 /**
diff --git a/sdks/java-v1/templates/libraries/feign/build.gradle.mustache b/sdks/java-v1/templates/libraries/feign/build.gradle.mustache
index 8af1cb136..2b4e0340e 100644
--- a/sdks/java-v1/templates/libraries/feign/build.gradle.mustache
+++ b/sdks/java-v1/templates/libraries/feign/build.gradle.mustache
@@ -114,6 +114,9 @@ ext {
     feign_form_version = "3.8.0"
     junit_version = "5.7.0"
     scribejava_version = "8.0.0"
+    {{#useReflectionEqualsHashCode}}
+    commons_lang3_version = "3.17.0"
+    {{/useReflectionEqualsHashCode}}
 }
 
 dependencies {
@@ -127,9 +130,9 @@ dependencies {
     implementation "io.github.openfeign:feign-okhttp:$feign_version"
     implementation "io.github.openfeign.form:feign-form:$feign_form_version"
     {{#jackson}}
-        {{#joda}}
+    {{#joda}}
     implementation "com.fasterxml.jackson.datatype:jackson-datatype-joda:$jackson_version"
-        {{/joda}}
+    {{/joda}}
     implementation "com.fasterxml.jackson.core:jackson-core:$jackson_version"
     implementation "com.fasterxml.jackson.core:jackson-annotations:$jackson_version"
     implementation "com.fasterxml.jackson.core:jackson-databind:$jackson_databind_version"
@@ -142,11 +145,14 @@ dependencies {
     implementation "com.github.scribejava:scribejava-core:$scribejava_version"
     implementation "com.brsanthu:migbase64:2.2"
     implementation "jakarta.annotation:jakarta.annotation-api:$jakarta_annotation_version"
+    {{#useReflectionEqualsHashCode}}
+    implementation "org.apache.commons:commons-lang3:$commons_lang3_version"
+    {{/useReflectionEqualsHashCode}}
     testImplementation "org.junit.jupiter:junit-jupiter:$junit_version"
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:$junit_version"
     testImplementation "org.junit.jupiter:junit-jupiter-params:$junit_version"
     testImplementation "com.github.tomakehurst:wiremock-jre8:2.35.1"
     testImplementation "org.hamcrest:hamcrest:2.2"
-    testImplementation "commons-io:commons-io:2.8.0"
+    testImplementation "commons-io:commons-io:2.16.1"
     testImplementation "ch.qos.logback:logback-classic:1.2.3"
 }
diff --git a/sdks/java-v1/templates/libraries/feign/build.sbt.mustache b/sdks/java-v1/templates/libraries/feign/build.sbt.mustache
index 9af32c270..1a24b99f5 100644
--- a/sdks/java-v1/templates/libraries/feign/build.sbt.mustache
+++ b/sdks/java-v1/templates/libraries/feign/build.sbt.mustache
@@ -28,11 +28,14 @@ lazy val root = (project in file(".")).
       "com.github.scribejava" % "scribejava-core" % "8.0.0" % "compile",
       "com.brsanthu" % "migbase64" % "2.2" % "compile",
       "jakarta.annotation" % "jakarta.annotation-api" % "1.3.5" % "compile",
+{{#useReflectionEqualsHashCode}}
+      "org.apache.commons" % "commons-lang3" % "3.17.0" % "compile",
+{{/useReflectionEqualsHashCode}}
       "org.junit.jupiter" % "junit-jupiter" % "5.7.0" % "test",
       "org.junit.jupiter" % "junit-jupiter-params" % "5.7.0" % "test",
       "com.github.tomakehurst" % "wiremock-jre8" % "2.35.1" % "test",
       "org.hamcrest" % "hamcrest" % "2.2" % "test",
-      "commons-io" % "commons-io" % "2.8.0" % "test",
+      "commons-io" % "commons-io" % "2.16.1" % "test",
       "com.novocode" % "junit-interface" % "0.10" % "test"
     )
   )
diff --git a/sdks/java-v1/templates/libraries/feign/model.mustache b/sdks/java-v1/templates/libraries/feign/model.mustache
index 5fa9bca80..108748f60 100644
--- a/sdks/java-v1/templates/libraries/feign/model.mustache
+++ b/sdks/java-v1/templates/libraries/feign/model.mustache
@@ -59,8 +59,8 @@ import android.os.Parcelable;
 import android.os.Parcel;
 {{/parcelableModel}}
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 {{/useBeanValidation}}
 {{#performBeanValidation}}
 import org.hibernate.validator.constraints.*;
diff --git a/sdks/java-v1/templates/libraries/feign/pojo.mustache b/sdks/java-v1/templates/libraries/feign/pojo.mustache
index fe97e3b1b..76f119eb4 100644
--- a/sdks/java-v1/templates/libraries/feign/pojo.mustache
+++ b/sdks/java-v1/templates/libraries/feign/pojo.mustache
@@ -72,6 +72,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   {{/isContainer}}
   {{/vendorExtensions.x-is-jackson-optional-nullable}}
   {{^vendorExtensions.x-is-jackson-optional-nullable}}
+  {{>nullable_var_annotations}}
   {{#isContainer}}
   private {{{datatypeWithEnum}}} {{name}}{{#defaultValue}} = {{{.}}}{{/defaultValue}};
   {{/isContainer}}
@@ -113,7 +114,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   {{#vars}}
 
   {{^isReadOnly}}
-  public {{classname}} {{name}}({{{datatypeWithEnum}}} {{name}}) {
+  public {{classname}} {{name}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
     {{#vendorExtensions.x-is-jackson-optional-nullable}}this.{{name}} = JsonNullable.<{{{datatypeWithEnum}}}>of({{name}});{{/vendorExtensions.x-is-jackson-optional-nullable}}
     {{^vendorExtensions.x-is-jackson-optional-nullable}}this.{{name}} = {{name}};{{/vendorExtensions.x-is-jackson-optional-nullable}}
     return this;
@@ -189,17 +190,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
 {{#deprecated}}
   @Deprecated
 {{/deprecated}}
-{{#required}}
-{{#isNullable}}
-  @{{javaxPackage}}.annotation.Nullable
-{{/isNullable}}
-{{^isNullable}}
-  @{{javaxPackage}}.annotation.Nonnull
-{{/isNullable}}
-{{/required}}
-{{^required}}
-  @{{javaxPackage}}.annotation.Nullable
-{{/required}}
+  {{>nullable_var_annotations}}
 {{#jsonb}}
   @JsonbProperty("{{baseName}}")
 {{/jsonb}}
@@ -246,7 +237,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
 
   {{^isReadOnly}}
 {{#vendorExtensions.x-setter-extra-annotation}}  {{{vendorExtensions.x-setter-extra-annotation}}}
-{{/vendorExtensions.x-setter-extra-annotation}}{{#jackson}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{> jackson_annotations}}{{/vendorExtensions.x-is-jackson-optional-nullable}}{{/jackson}}  public void {{setter}}({{{datatypeWithEnum}}} {{name}}) {
+{{/vendorExtensions.x-setter-extra-annotation}}{{#jackson}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{> jackson_annotations}}{{/vendorExtensions.x-is-jackson-optional-nullable}}{{/jackson}}  public void {{setter}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
     {{#vendorExtensions.x-is-jackson-optional-nullable}}
     this.{{name}} = JsonNullable.<{{{datatypeWithEnum}}}>of({{name}});
     {{/vendorExtensions.x-is-jackson-optional-nullable}}
@@ -272,7 +263,8 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
     }{{#hasVars}}
     {{classname}} {{classVarName}} = ({{classname}}) o;
     return {{#vars}}{{#vendorExtensions.x-is-jackson-optional-nullable}}equalsNullable(this.{{name}}, {{classVarName}}.{{name}}){{/vendorExtensions.x-is-jackson-optional-nullable}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{#isByteArray}}Arrays{{/isByteArray}}{{^isByteArray}}Objects{{/isByteArray}}.equals(this.{{name}}, {{classVarName}}.{{name}}){{/vendorExtensions.x-is-jackson-optional-nullable}}{{^-last}} &&
-        {{/-last}}{{/vars}}{{#parent}} &&
+        {{/-last}}{{/vars}}{{#additionalPropertiesType}} &&
+        Objects.equals(this.additionalProperties, {{classVarName}}.additionalProperties){{/additionalPropertiesType}}{{#parent}} &&
         super.equals(o){{/parent}};{{/hasVars}}{{^hasVars}}
     return {{#parent}}super.equals(o){{/parent}}{{^parent}}true{{/parent}};{{/hasVars}}
   {{/useReflectionEqualsHashCode}}
@@ -288,7 +280,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
     return HashCodeBuilder.reflectionHashCode(this);
   {{/useReflectionEqualsHashCode}}
   {{^useReflectionEqualsHashCode}}
-    return Objects.hash({{#vars}}{{#vendorExtensions.x-is-jackson-optional-nullable}}hashCodeNullable({{name}}){{/vendorExtensions.x-is-jackson-optional-nullable}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{^isByteArray}}{{name}}{{/isByteArray}}{{#isByteArray}}Arrays.hashCode({{name}}){{/isByteArray}}{{/vendorExtensions.x-is-jackson-optional-nullable}}{{^-last}}, {{/-last}}{{/vars}}{{#parent}}{{#hasVars}}, {{/hasVars}}super.hashCode(){{/parent}});
+    return Objects.hash({{#vars}}{{#vendorExtensions.x-is-jackson-optional-nullable}}hashCodeNullable({{name}}){{/vendorExtensions.x-is-jackson-optional-nullable}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{^isByteArray}}{{name}}{{/isByteArray}}{{#isByteArray}}Arrays.hashCode({{name}}){{/isByteArray}}{{/vendorExtensions.x-is-jackson-optional-nullable}}{{^-last}}, {{/-last}}{{/vars}}{{#parent}}{{#hasVars}}, {{/hasVars}}super.hashCode(){{/parent}}{{#additionalPropertiesType}}, additionalProperties{{/additionalPropertiesType}});
   {{/useReflectionEqualsHashCode}}
   }{{#vendorExtensions.x-jackson-optional-nullable-helpers}}
 
@@ -309,6 +301,9 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
     {{#vars}}
     sb.append("    {{name}}: ").append({{#isPassword}}"*"{{/isPassword}}{{^isPassword}}toIndentedString({{name}}){{/isPassword}}).append("\n");
     {{/vars}}
+    {{#additionalPropertiesType}}
+    sb.append("    additionalProperties: ").append(toIndentedString(additionalProperties)).append("\n");
+    {{/additionalPropertiesType}}
     sb.append("}");
     return sb.toString();
   }
diff --git a/sdks/java-v1/templates/libraries/feign/pom.mustache b/sdks/java-v1/templates/libraries/feign/pom.mustache
index 9be4a094f..c915ea0ec 100644
--- a/sdks/java-v1/templates/libraries/feign/pom.mustache
+++ b/sdks/java-v1/templates/libraries/feign/pom.mustache
@@ -345,6 +345,14 @@
             <scope>provided</scope>
         </dependency>
         {{/useBeanValidation}}
+        {{#useReflectionEqualsHashCode}}
+        <!-- For equals and hashCode using reflection -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3-version}</version>
+        </dependency>
+        {{/useReflectionEqualsHashCode}}
 
         <!-- test dependencies -->
         <dependency>
@@ -403,13 +411,15 @@
         {{/openApiNullable}}
         {{#useJakartaEe}}
         <jakarta-annotation-version>2.1.1</jakarta-annotation-version>
+        <beanvalidation-version>3.0.2</beanvalidation-version>
         {{/useJakartaEe}}
         {{^useJakartaEe}}
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
+        <beanvalidation-version>2.0.2</beanvalidation-version>
         {{/useJakartaEe}}
-        {{#useBeanValidation}}
-        <beanvalidation-version>3.0.2</beanvalidation-version>
-        {{/useBeanValidation}}
+        {{#useReflectionEqualsHashCode}}
+        <commons-lang3-version>3.17.0</commons-lang3-version>
+        {{/useReflectionEqualsHashCode}}
         <junit-version>5.10.0</junit-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
         <scribejava-version>8.3.3</scribejava-version>
diff --git a/sdks/java-v1/templates/libraries/google-api-client/ApiClient.mustache b/sdks/java-v1/templates/libraries/google-api-client/ApiClient.mustache
index 03c44a8ed..7d3e50fe1 100644
--- a/sdks/java-v1/templates/libraries/google-api-client/ApiClient.mustache
+++ b/sdks/java-v1/templates/libraries/google-api-client/ApiClient.mustache
@@ -34,7 +34,12 @@ public class ApiClient {
     // A reasonable default object mapper. Client can pass in a chosen ObjectMapper anyway, this is just for reasonable defaults.
     private static ObjectMapper createDefaultObjectMapper() {
         ObjectMapper objectMapper = new ObjectMapper()
+            {{#failOnUnknownProperties}}
+            .enable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)
+            {{/failOnUnknownProperties}}
+            {{^failOnUnknownProperties}}
             .disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)
+            {{/failOnUnknownProperties}}
             .disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)
             .setDateFormat(new RFC3339DateFormat());
         {{#joda}}
diff --git a/sdks/java-v1/templates/libraries/jersey2/ApiClient.mustache b/sdks/java-v1/templates/libraries/jersey2/ApiClient.mustache
index 6d5f8334e..fef695d69 100644
--- a/sdks/java-v1/templates/libraries/jersey2/ApiClient.mustache
+++ b/sdks/java-v1/templates/libraries/jersey2/ApiClient.mustache
@@ -1001,24 +1001,10 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
     if (contentType.startsWith("multipart/form-data")) {
       MultiPart multiPart = new MultiPart();
       for (Entry<String, Object> param: formParams.entrySet()) {
-        if (param.getValue() instanceof File) {
-          File file = (File) param.getValue();
-          FormDataContentDisposition contentDisp = FormDataContentDisposition.name(param.getKey())
-              .fileName(file.getName()).size(file.length()).build();
-
-          // Attempt to probe the content type for the file so that the form part is more correctly
-          // and precisely identified, but fall back to application/octet-stream if that fails.
-          MediaType type;
-          try {
-            type = MediaType.valueOf(Files.probeContentType(file.toPath()));
-          } catch (IOException | IllegalArgumentException e) {
-            type = MediaType.APPLICATION_OCTET_STREAM_TYPE;
-          }
-
-          multiPart.bodyPart(new FormDataBodyPart(contentDisp, file, type));
+        if (param.getValue() instanceof Iterable<?>) {
+          ((Iterable<?>)param.getValue()).forEach(v -> addParamToMultipart(v, param.getKey(), multiPart));
         } else {
-          FormDataContentDisposition contentDisp = FormDataContentDisposition.name(param.getKey()).build();
-          multiPart.bodyPart(new FormDataBodyPart(contentDisp, parameterToString(param.getValue())));
+          addParamToMultipart(param.getValue(), param.getKey(), multiPart);
         }
       }
       entity = Entity.entity(multiPart, MediaType.MULTIPART_FORM_DATA_TYPE);
@@ -1047,6 +1033,36 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
     return entity;
   }
 
+    /**
+   * Adds the object with the provided key to the MultiPart.
+   * Based on the object type sets Content-Disposition and Content-Type.
+   *
+   * @param obj Object
+   * @param key Key of the object
+   * @param multiPart MultiPart to add the form param to
+   */
+  private void addParamToMultipart(Object value, String key, MultiPart multiPart) {
+    if (value instanceof File) {
+      File file = (File) value;
+      FormDataContentDisposition contentDisp = FormDataContentDisposition.name(key)
+          .fileName(file.getName()).size(file.length()).build();
+
+      // Attempt to probe the content type for the file so that the form part is more correctly
+      // and precisely identified, but fall back to application/octet-stream if that fails.
+      MediaType type;
+      try {
+        type = MediaType.valueOf(Files.probeContentType(file.toPath()));
+      } catch (IOException | IllegalArgumentException e) {
+        type = MediaType.APPLICATION_OCTET_STREAM_TYPE;
+      }
+
+      multiPart.bodyPart(new FormDataBodyPart(contentDisp, file, type));
+    } else {
+      FormDataContentDisposition contentDisp = FormDataContentDisposition.name(key).build();
+      multiPart.bodyPart(new FormDataBodyPart(contentDisp, parameterToString(value)));
+    }
+  }
+
   /**
    * Serialize the given Java object into string according the given
    * Content-Type (only JSON, HTTP form is supported for now).
@@ -1377,7 +1393,11 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
     } else if ("PUT".equals(method)) {
       response = invocationBuilder.put(entity);
     } else if ("DELETE".equals(method)) {
-      response = invocationBuilder.method("DELETE", entity);
+      if ("".equals(entity.getEntity())) {
+        response = invocationBuilder.method("DELETE");
+      } else {
+        response = invocationBuilder.method("DELETE", entity);
+      }
     } else if ("PATCH".equals(method)) {
       response = invocationBuilder.method("PATCH", entity);
     } else {
diff --git a/sdks/java-v1/templates/libraries/jersey2/JSON.mustache b/sdks/java-v1/templates/libraries/jersey2/JSON.mustache
index e1f17c972..613a4a276 100644
--- a/sdks/java-v1/templates/libraries/jersey2/JSON.mustache
+++ b/sdks/java-v1/templates/libraries/jersey2/JSON.mustache
@@ -12,9 +12,6 @@ import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 {{#joda}}
 import com.fasterxml.jackson.datatype.joda.JodaModule;
 {{/joda}}
-{{#models.0}}
-import {{modelPackage}}.*;
-{{/models.0}}
 
 import java.text.DateFormat;
 import java.util.HashMap;
@@ -32,12 +29,7 @@ public class JSON implements ContextResolver<ObjectMapper> {
     mapper = JsonMapper.builder()
             .serializationInclusion(JsonInclude.Include.NON_NULL)
             .configure(MapperFeature.ALLOW_COERCION_OF_SCALARS, false)
-{{^useCustomTemplateCode}}
-            .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, true)
-{{/useCustomTemplateCode}}
-{{#useCustomTemplateCode}}
-            .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
-{{/useCustomTemplateCode}}
+            .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, {{failOnUnknownProperties}})
             .configure(DeserializationFeature.FAIL_ON_INVALID_SUBTYPE, true)
             .disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)
             .enable(SerializationFeature.WRITE_ENUMS_USING_TO_STRING)
diff --git a/sdks/java-v1/templates/libraries/jersey2/anyof_model.mustache b/sdks/java-v1/templates/libraries/jersey2/anyof_model.mustache
index d480667f3..46c2cdc3a 100644
--- a/sdks/java-v1/templates/libraries/jersey2/anyof_model.mustache
+++ b/sdks/java-v1/templates/libraries/jersey2/anyof_model.mustache
@@ -68,10 +68,23 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
                 return ret;
             }
             {{/discriminator}}
+            {{#composedSchemas}}
             {{#anyOf}}
-            // deserialize {{{.}}}
+            // deserialize {{{dataType}}}{{#isNullable}} (nullable){{/isNullable}}
             try {
-                deserialized = tree.traverse(jp.getCodec()).readValueAs({{{.}}}.class);
+                {{^isArray}}
+                {{^isMap}}
+                deserialized = tree.traverse(jp.getCodec()).readValueAs({{{dataType}}}.class);
+                {{/isMap}}
+                {{/isArray}}
+                {{#isArray}}
+                final TypeReference<{{{dataType}}}> ref = new TypeReference<{{{dataType}}}>(){};
+                deserialized = tree.traverse(jp.getCodec()).readValueAs(ref);
+                {{/isArray}}
+                {{#isMap}}
+                final TypeReference<{{{dataType}}}> ref = new TypeReference<{{{dataType}}}>(){};
+                deserialized = tree.traverse(jp.getCodec()).readValueAs(ref);
+                {{/isMap}}
                 {{classname}} ret = new {{classname}}();
                 ret.setActualInstance(deserialized);
                 return ret;
@@ -81,6 +94,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
             }
 
             {{/anyOf}}
+            {{/composedSchemas}}
             throw new IOException(String.format("Failed deserialization for {{classname}}: no match found"));
         }
 
@@ -119,13 +133,17 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
         return Objects.hash(getActualInstance(), isNullable(), getSchemaType(), additionalProperties);
     }
     {{/additionalPropertiesType}}
+    {{#composedSchemas}}
     {{#anyOf}}
-    public {{classname}}({{{.}}} o) {
+    {{^vendorExtensions.x-duplicated-data-type}}
+    public {{classname}}({{{baseType}}} o) {
         super("anyOf", {{#isNullable}}Boolean.TRUE{{/isNullable}}{{^isNullable}}Boolean.FALSE{{/isNullable}});
         setActualInstance(o);
     }
 
+    {{/vendorExtensions.x-duplicated-data-type}}
     {{/anyOf}}
+    {{/composedSchemas}}
     static {
         {{#anyOf}}
         schemas.put("{{{.}}}", new GenericType<{{{.}}}>() {
@@ -165,13 +183,17 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
         }
 
         {{/isNullable}}
+        {{#composedSchemas}}
         {{#anyOf}}
-        if (JSON.isInstanceOf({{{.}}}.class, instance, new HashSet<>())) {
+        {{^vendorExtensions.x-duplicated-data-type}}
+        if (JSON.isInstanceOf({{{baseType}}}.class, instance, new HashSet<>())) {
             super.setActualInstance(instance);
             return;
         }
 
+        {{/vendorExtensions.x-duplicated-data-type}}
         {{/anyOf}}
+        {{/composedSchemas}}
         throw new RuntimeException("Invalid instance type. Must be {{#anyOf}}{{{.}}}{{^-last}}, {{/-last}}{{/anyOf}}");
     }
 
@@ -186,17 +208,21 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
         return super.getActualInstance();
     }
 
+    {{#composedSchemas}}
     {{#anyOf}}
+    {{^vendorExtensions.x-duplicated-data-type-ignoring-erasure}}
     /**
-     * Get the actual instance of `{{{.}}}`. If the actual instance is not `{{{.}}}`,
+     * Get the actual instance of `{{{dataType}}}`. If the actual instance is not `{{{dataType}}}`,
      * the ClassCastException will be thrown.
      *
-     * @return The actual instance of `{{{.}}}`
-     * @throws ClassCastException if the instance is not `{{{.}}}`
+     * @return The actual instance of `{{{dataType}}}`
+     * @throws ClassCastException if the instance is not `{{{dataType}}}`
      */
-    public {{{.}}} get{{{.}}}() throws ClassCastException {
-        return ({{{.}}})super.getActualInstance();
+    public {{{dataType}}} get{{#sanitizeGeneric}}{{{dataType}}}{{/sanitizeGeneric}}() throws ClassCastException {
+        return ({{{dataType}}})super.getActualInstance();
     }
 
+    {{/vendorExtensions.x-duplicated-data-type-ignoring-erasure}}
     {{/anyOf}}
+    {{/composedSchemas}}
 }
diff --git a/sdks/java-v1/templates/libraries/jersey2/api.mustache b/sdks/java-v1/templates/libraries/jersey2/api.mustache
index b39d00df3..1b5968121 100644
--- a/sdks/java-v1/templates/libraries/jersey2/api.mustache
+++ b/sdks/java-v1/templates/libraries/jersey2/api.mustache
@@ -12,8 +12,8 @@ import {{javaxPackage}}.ws.rs.core.GenericType;
 {{/imports}}
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 
 {{/useBeanValidation}}
 import java.util.ArrayList;
@@ -56,12 +56,7 @@ public class {{classname}} {
   {{#operation}}
   {{^vendorExtensions.x-group-parameters}}
   /**
-{{^useCustomTemplateCode}}
    * {{summary}}
-{{/useCustomTemplateCode}}
-{{#useCustomTemplateCode}}
-   * {{summary}}.
-{{/useCustomTemplateCode}}
    * {{notes}}
    {{#allParams}}
    * @param {{paramName}} {{description}}{{#required}} (required){{/required}}{{^required}} (optional{{#defaultValue}}, default to {{.}}{{/defaultValue}}){{/required}}
@@ -72,7 +67,8 @@ public class {{classname}} {
    * @throws ApiException if fails to make API call
    {{#responses.0}}
    * @http.response.details
-     <table summary="Response Details" border="1">
+     <table border="1">
+       <caption>Response Details</caption>
        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
        {{#responses}}
        <tr><td> {{code}} </td><td> {{message}} </td><td> {{#headers}} * {{baseName}} - {{description}} <br> {{/headers}}{{^headers.0}} - {{/headers.0}} </td></tr>
@@ -101,12 +97,7 @@ public class {{classname}} {
   {{/useCustomTemplateCode}}
   {{^vendorExtensions.x-group-parameters}}
   /**
-{{^useCustomTemplateCode}}
    * {{summary}}
-{{/useCustomTemplateCode}}
-{{#useCustomTemplateCode}}
-   * {{summary}}.
-{{/useCustomTemplateCode}}
    * {{notes}}
    {{#allParams}}
    * @param {{paramName}} {{description}}{{#required}} (required){{/required}}{{^required}} (optional{{#defaultValue}}, default to {{.}}{{/defaultValue}}){{/required}}
@@ -115,7 +106,8 @@ public class {{classname}} {
    * @throws ApiException if fails to make API call
    {{#responses.0}}
    * @http.response.details
-     <table summary="Response Details" border="1">
+     <table border="1">
+       <caption>Response Details</caption>
        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
        {{#responses}}
        <tr><td> {{code}} </td><td> {{message}} </td><td> {{#headers}} * {{baseName}} - {{description}} <br> {{/headers}}{{^headers.0}} - {{/headers.0}} </td></tr>
@@ -226,7 +218,7 @@ public class {{classname}} {
     GenericType<{{{returnType}}}> localVarReturnType = new GenericType<{{{returnType}}}>() {};
     {{/returnType}}
 {{^useCustomTemplateCode}}
-    return apiClient.invokeAPI("{{classname}}.{{operationId}}", {{#hasPathParams}}localVarPath{{/hasPathParams}}{{^hasPathParams}}"{{path}}"{{/hasPathParams}}, "{{httpMethod}}", {{#queryParams}}{{#-first}}localVarQueryParams{{/-first}}{{/queryParams}}{{^queryParams}}new ArrayList<>(){{/queryParams}}, {{#bodyParam}}{{paramName}}{{/bodyParam}}{{^bodyParam}}null{{/bodyParam}},
+    return apiClient.invokeAPI("{{classname}}.{{operationId}}", {{#hasPathParams}}localVarPath{{/hasPathParams}}{{^hasPathParams}}"{{{path}}}"{{/hasPathParams}}, "{{httpMethod}}", {{#queryParams}}{{#-first}}localVarQueryParams{{/-first}}{{/queryParams}}{{^queryParams}}new ArrayList<>(){{/queryParams}}, {{#bodyParam}}{{paramName}}{{/bodyParam}}{{^bodyParam}}null{{/bodyParam}},
                                {{#headerParams}}{{#-first}}localVarHeaderParams{{/-first}}{{/headerParams}}{{^headerParams}}new LinkedHashMap<>(){{/headerParams}}, {{#cookieParams}}{{#-first}}localVarCookieParams{{/-first}}{{/cookieParams}}{{^cookieParams}}new LinkedHashMap<>(){{/cookieParams}}, {{#formParams}}{{#-first}}localVarFormParams{{/-first}}{{/formParams}}{{^formParams}}new LinkedHashMap<>(){{/formParams}}, localVarAccept, localVarContentType,
                                {{#hasAuthMethods}}localVarAuthNames{{/hasAuthMethods}}{{^hasAuthMethods}}null{{/hasAuthMethods}}, {{#returnType}}localVarReturnType{{/returnType}}{{^returnType}}null{{/returnType}}, {{#bodyParam}}{{#isNullable}}true{{/isNullable}}{{^isNullable}}false{{/isNullable}}{{/bodyParam}}{{^bodyParam}}false{{/bodyParam}});
 {{/useCustomTemplateCode}}
@@ -282,7 +274,8 @@ public class {{classname}} {
      * @throws ApiException if fails to make API call
      {{#responses.0}}
      * @http.response.details
-       <table summary="Response Details" border="1">
+       <table border="1">
+       <caption>Response Details</caption>
          <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
          {{#responses}}
          <tr><td> {{code}} </td><td> {{message}} </td><td> {{#headers}} * {{baseName}} - {{description}} <br> {{/headers}}{{^headers.0}} - {{/headers.0}} </td></tr>
@@ -302,7 +295,8 @@ public class {{classname}} {
      * @throws ApiException if fails to make API call
      {{#responses.0}}
      * @http.response.details
-       <table summary="Response Details" border="1">
+       <table border="1">
+       <caption>Response Details</caption>
          <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
          {{#responses}}
          <tr><td> {{code}} </td><td> {{message}} </td><td> {{#headers}} * {{baseName}} - {{description}} <br> {{/headers}}{{^headers.0}} - {{/headers.0}} </td></tr>
@@ -321,12 +315,7 @@ public class {{classname}} {
   }
 
   /**
-{{^useCustomTemplateCode}}
    * {{summary}}
-{{/useCustomTemplateCode}}
-{{#useCustomTemplateCode}}
-   * {{summary}}.
-{{/useCustomTemplateCode}}
    * {{notes}}{{#pathParams}}
    * @param {{paramName}} {{description}} (required){{/pathParams}}
    * @return {{operationId}}Request
diff --git a/sdks/java-v1/templates/libraries/jersey2/api_test.mustache b/sdks/java-v1/templates/libraries/jersey2/api_test.mustache
index 7b8214bd4..926ba0a82 100644
--- a/sdks/java-v1/templates/libraries/jersey2/api_test.mustache
+++ b/sdks/java-v1/templates/libraries/jersey2/api_test.mustache
@@ -17,8 +17,8 @@ import java.util.List;
 import java.util.Map;
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 
 {{/useBeanValidation}}
 /**
diff --git a/sdks/java-v1/templates/libraries/jersey2/build.gradle.mustache b/sdks/java-v1/templates/libraries/jersey2/build.gradle.mustache
index 39aa19299..d3ea8ff60 100644
--- a/sdks/java-v1/templates/libraries/jersey2/build.gradle.mustache
+++ b/sdks/java-v1/templates/libraries/jersey2/build.gradle.mustache
@@ -229,6 +229,9 @@ ext {
     {{#hasHttpSignatureMethods}}
     tomitribe_http_signatures_version = "1.7"
     {{/hasHttpSignatureMethods}}
+    {{#useReflectionEqualsHashCode}}
+    commons_lang3_version = "3.17.0"
+    {{/useReflectionEqualsHashCode}}
 {{#useCustomTemplateCode}}
     mockito_version = "3.12.4"
 {{/useCustomTemplateCode}}
@@ -265,6 +268,9 @@ dependencies {
     {{#useBeanValidation}}
     implementation "jakarta.validation:jakarta.validation-api:$bean_validation_version"
     {{/useBeanValidation}}
+    {{#useReflectionEqualsHashCode}}
+    implementation "org.apache.commons:commons-lang3:$commons_lang3_version"
+    {{/useReflectionEqualsHashCode}}
     testImplementation "org.junit.jupiter:junit-jupiter-api:$junit_version"
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:$junit_version"
 {{#useCustomTemplateCode}}
diff --git a/sdks/java-v1/templates/libraries/jersey2/build.sbt.mustache b/sdks/java-v1/templates/libraries/jersey2/build.sbt.mustache
index bb525bf1f..3883888fe 100644
--- a/sdks/java-v1/templates/libraries/jersey2/build.sbt.mustache
+++ b/sdks/java-v1/templates/libraries/jersey2/build.sbt.mustache
@@ -36,6 +36,9 @@ lazy val root = (project in file(".")).
       "org.tomitribe" % "tomitribe-http-signatures" % "1.7" % "compile",
       {{/hasHttpSignatureMethods}}
       "jakarta.annotation" % "jakarta.annotation-api" % "1.3.5" % "compile",
+  {{#useReflectionEqualsHashCode}}
+        "org.apache.commons" % "commons-lang3" % "3.17.0" % "compile",
+  {{/useReflectionEqualsHashCode}}
       "org.junit.jupiter" % "junit-jupiter-api" % "5.8.2" % "test"
     )
   )
diff --git a/sdks/java-v1/templates/libraries/jersey2/model.mustache b/sdks/java-v1/templates/libraries/jersey2/model.mustache
index 509857733..bf30b7f6e 100644
--- a/sdks/java-v1/templates/libraries/jersey2/model.mustache
+++ b/sdks/java-v1/templates/libraries/jersey2/model.mustache
@@ -42,8 +42,8 @@ import android.os.Parcelable;
 import android.os.Parcel;
 {{/parcelableModel}}
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 {{/useBeanValidation}}
 {{#performBeanValidation}}
 import org.hibernate.validator.constraints.*;
diff --git a/sdks/java-v1/templates/libraries/jersey2/oneof_model.mustache b/sdks/java-v1/templates/libraries/jersey2/oneof_model.mustache
index 09906d7b0..5b60d0743 100644
--- a/sdks/java-v1/templates/libraries/jersey2/oneof_model.mustache
+++ b/sdks/java-v1/templates/libraries/jersey2/oneof_model.mustache
@@ -112,7 +112,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
                     attemptParsing |= (token == JsonToken.VALUE_NUMBER_FLOAT);
                     {{/isDecimal}}
                     {{#isBoolean}}
-                    attemptParsing |= (token == JsonToken.VALUE_FALSE || token == JsonToken.VALUE_TRUE));
+                    attemptParsing |= (token == JsonToken.VALUE_FALSE || token == JsonToken.VALUE_TRUE);
                     {{/isBoolean}}
                     {{#isNullable}}
                     attemptParsing |= (token == JsonToken.VALUE_NULL);
@@ -120,7 +120,13 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
                 }
                 {{/isPrimitiveType}}
                 if (attemptParsing) {
+                    {{#isMap}}
+                    final TypeReference<{{{dataType}}}> ref = new TypeReference<{{{dataType}}}>(){};
+                    deserialized = tree.traverse(jp.getCodec()).readValueAs(ref);
+                    {{/isMap}}
+                    {{^isMap}}
                     deserialized = tree.traverse(jp.getCodec()).readValueAs({{{dataType}}}.class);
+                    {{/isMap}}
                     // TODO: there is no validation against JSON schema constraints
                     // (min, max, enum, pattern...), this does not perform a strict JSON
                     // validation, which means the 'match' count may be higher than it should be.
@@ -266,6 +272,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
 
     {{#composedSchemas}}
     {{#oneOf}}
+    {{^vendorExtensions.x-duplicated-data-type-ignoring-erasure}}
     /**
      * Get the actual instance of `{{{dataType}}}`. If the actual instance is not `{{{dataType}}}`,
      * the ClassCastException will be thrown.
@@ -273,17 +280,11 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
      * @return The actual instance of `{{{dataType}}}`
      * @throws ClassCastException if the instance is not `{{{dataType}}}`
      */
-    {{^isArray}}
-    public {{{dataType}}} get{{{dataType}}}() throws ClassCastException {
+    public {{{dataType}}} get{{#sanitizeGeneric}}{{{dataType}}}{{/sanitizeGeneric}}() throws ClassCastException {
         return ({{{dataType}}})super.getActualInstance();
     }
-    {{/isArray}}
-    {{#isArray}}
-        public {{{dataType}}} get{{#sanitizeGeneric}}{{{dataType}}}{{/sanitizeGeneric}}() throws ClassCastException {
-        return ({{{dataType}}})super.getActualInstance();
-        }
-    {{/isArray}}
 
+    {{/vendorExtensions.x-duplicated-data-type-ignoring-erasure}}
     {{/oneOf}}
     {{/composedSchemas}}
 }
diff --git a/sdks/java-v1/templates/libraries/jersey2/pojo.mustache b/sdks/java-v1/templates/libraries/jersey2/pojo.mustache
index 0ba5ad05a..a73f86943 100644
--- a/sdks/java-v1/templates/libraries/jersey2/pojo.mustache
+++ b/sdks/java-v1/templates/libraries/jersey2/pojo.mustache
@@ -91,6 +91,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   {{#deprecated}}
   @Deprecated
   {{/deprecated}}
+  {{>nullable_var_annotations}}
 {{^useCustomTemplateCode}}
   private {{{datatypeWithEnum}}} {{name}}{{#defaultValue}} = {{{.}}}{{/defaultValue}};
 {{/useCustomTemplateCode}}
@@ -150,7 +151,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   {{#deprecated}}
   @Deprecated
   {{/deprecated}}
-  public {{classname}} {{name}}({{{datatypeWithEnum}}} {{name}}) {
+  public {{classname}} {{name}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
     {{#vendorExtensions.x-enum-as-string}}
     if (!{{{nameInSnakeCase}}}_VALUES.contains({{name}})) {
       throw new IllegalArgumentException({{name}} + " is invalid. Possible values for {{name}}: " + String.join(", ", {{{nameInSnakeCase}}}_VALUES));
@@ -242,17 +243,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
 {{#deprecated}}
   @Deprecated
 {{/deprecated}}
-{{#required}}
-{{#isNullable}}
-  @{{javaxPackage}}.annotation.Nullable
-{{/isNullable}}
-{{^isNullable}}
-  @{{javaxPackage}}.annotation.Nonnull
-{{/isNullable}}
-{{/required}}
-{{^required}}
-  @{{javaxPackage}}.annotation.Nullable
-{{/required}}
+  {{>nullable_var_annotations}}
 {{#useBeanValidation}}
 {{>beanValidation}}
 {{/useBeanValidation}}
@@ -302,7 +293,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   @Deprecated
   {{/deprecated}}
 {{#vendorExtensions.x-setter-extra-annotation}}  {{{vendorExtensions.x-setter-extra-annotation}}}
-{{/vendorExtensions.x-setter-extra-annotation}}{{#jackson}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{> jackson_annotations}}{{/vendorExtensions.x-is-jackson-optional-nullable}}{{/jackson}}  public void {{setter}}({{{datatypeWithEnum}}} {{name}}) {
+{{/vendorExtensions.x-setter-extra-annotation}}{{#jackson}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{> jackson_annotations}}{{/vendorExtensions.x-is-jackson-optional-nullable}}{{/jackson}}  public void {{setter}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
     {{#vendorExtensions.x-enum-as-string}}
     if (!{{{nameInSnakeCase}}}_VALUES.contains({{name}})) {
       throw new IllegalArgumentException({{name}} + " is invalid. Possible values for {{name}}: " + String.join(", ", {{{nameInSnakeCase}}}_VALUES));
diff --git a/sdks/java-v1/templates/libraries/jersey2/pom.mustache b/sdks/java-v1/templates/libraries/jersey2/pom.mustache
index 9a596b00d..74d3ef000 100644
--- a/sdks/java-v1/templates/libraries/jersey2/pom.mustache
+++ b/sdks/java-v1/templates/libraries/jersey2/pom.mustache
@@ -404,6 +404,15 @@
             <artifactId>jersey-apache-connector</artifactId>
             <version>${jersey-version}</version>
         </dependency>
+        {{#useReflectionEqualsHashCode}}
+        <!-- For equals and hashCode using reflection -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3-version}</version>
+        </dependency>
+        {{/useReflectionEqualsHashCode}}
+
         <!-- test dependencies -->
         <dependency>
             <groupId>org.junit.jupiter</groupId>
@@ -434,13 +443,12 @@
         <jackson-databind-nullable-version>0.2.6</jackson-databind-nullable-version>
         {{#useJakartaEe}}
         <jakarta-annotation-version>2.1.1</jakarta-annotation-version>
+        <beanvalidation-version>3.0.2</beanvalidation-version>
         {{/useJakartaEe}}
         {{^useJakartaEe}}
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
+        <beanvalidation-version>2.0.2</beanvalidation-version>
         {{/useJakartaEe}}
-        {{#useBeanValidation}}
-        <beanvalidation-version>3.0.2</beanvalidation-version>
-        {{/useBeanValidation}}
         <junit-version>5.10.0</junit-version>
         {{#hasHttpSignatureMethods}}
         <http-signature-version>1.8</http-signature-version>
@@ -448,6 +456,9 @@
         {{#hasOAuthMethods}}
         <scribejava-apis-version>8.3.3</scribejava-apis-version>
         {{/hasOAuthMethods}}
+        {{#useReflectionEqualsHashCode}}
+        <commons-lang3-version>3.17.0</commons-lang3-version>
+        {{/useReflectionEqualsHashCode}}
         <spotless.version>2.21.0</spotless.version>
 {{#useCustomTemplateCode}}
         <mockito.version>3.12.4</mockito.version>
diff --git a/sdks/java-v1/templates/libraries/jersey3/ApiClient.mustache b/sdks/java-v1/templates/libraries/jersey3/ApiClient.mustache
index 09563afa7..a2d6dd380 100644
--- a/sdks/java-v1/templates/libraries/jersey3/ApiClient.mustache
+++ b/sdks/java-v1/templates/libraries/jersey3/ApiClient.mustache
@@ -988,24 +988,10 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
     if (contentType.startsWith("multipart/form-data")) {
       MultiPart multiPart = new MultiPart();
       for (Entry<String, Object> param: formParams.entrySet()) {
-        if (param.getValue() instanceof File) {
-          File file = (File) param.getValue();
-          FormDataContentDisposition contentDisp = FormDataContentDisposition.name(param.getKey())
-              .fileName(file.getName()).size(file.length()).build();
-
-          // Attempt to probe the content type for the file so that the form part is more correctly
-          // and precisely identified, but fall back to application/octet-stream if that fails.
-          MediaType type;
-          try {
-            type = MediaType.valueOf(Files.probeContentType(file.toPath()));
-          } catch (IOException | IllegalArgumentException e) {
-            type = MediaType.APPLICATION_OCTET_STREAM_TYPE;
-          }
-
-          multiPart.bodyPart(new FormDataBodyPart(contentDisp, file, type));
+        if (param.getValue() instanceof Iterable<?>) {
+          ((Iterable<?>)param.getValue()).forEach(v -> addParamToMultipart(v, param.getKey(), multiPart));
         } else {
-          FormDataContentDisposition contentDisp = FormDataContentDisposition.name(param.getKey()).build();
-          multiPart.bodyPart(new FormDataBodyPart(contentDisp, parameterToString(param.getValue())));
+          addParamToMultipart(param.getValue(), param.getKey(), multiPart);
         }
       }
       entity = Entity.entity(multiPart, MediaType.MULTIPART_FORM_DATA_TYPE);
@@ -1034,6 +1020,36 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
     return entity;
   }
 
+  /**
+   * Adds the object with the provided key to the MultiPart.
+   * Based on the object type sets Content-Disposition and Content-Type.
+   *
+   * @param obj Object
+   * @param key Key of the object
+   * @param multiPart MultiPart to add the form param to
+   */
+  private void addParamToMultipart(Object value, String key, MultiPart multiPart) {
+    if (value instanceof File) {
+      File file = (File) value;
+      FormDataContentDisposition contentDisp = FormDataContentDisposition.name(key)
+          .fileName(file.getName()).size(file.length()).build();
+
+      // Attempt to probe the content type for the file so that the form part is more correctly
+      // and precisely identified, but fall back to application/octet-stream if that fails.
+      MediaType type;
+      try {
+        type = MediaType.valueOf(Files.probeContentType(file.toPath()));
+      } catch (IOException | IllegalArgumentException e) {
+        type = MediaType.APPLICATION_OCTET_STREAM_TYPE;
+      }
+
+      multiPart.bodyPart(new FormDataBodyPart(contentDisp, file, type));
+    } else {
+      FormDataContentDisposition contentDisp = FormDataContentDisposition.name(key).build();
+      multiPart.bodyPart(new FormDataBodyPart(contentDisp, parameterToString(value)));
+    }
+  }
+
   /**
    * Serialize the given Java object into string according the given
    * Content-Type (only JSON, HTTP form is supported for now).
@@ -1340,7 +1356,11 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
     } else if ("PUT".equals(method)) {
       response = invocationBuilder.put(entity);
     } else if ("DELETE".equals(method)) {
+      if ("".equals(entity.getEntity())) {
+        response = invocationBuilder.method("DELETE");
+      } else {
       response = invocationBuilder.method("DELETE", entity);
+      }
     } else if ("PATCH".equals(method)) {
       response = invocationBuilder.method("PATCH", entity);
     } else {
diff --git a/sdks/java-v1/templates/libraries/jersey3/JSON.mustache b/sdks/java-v1/templates/libraries/jersey3/JSON.mustache
index 97cee6394..bdd24ba47 100644
--- a/sdks/java-v1/templates/libraries/jersey3/JSON.mustache
+++ b/sdks/java-v1/templates/libraries/jersey3/JSON.mustache
@@ -12,9 +12,6 @@ import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 {{#joda}}
 import com.fasterxml.jackson.datatype.joda.JodaModule;
 {{/joda}}
-{{#models.0}}
-import {{modelPackage}}.*;
-{{/models.0}}
 
 import java.text.DateFormat;
 import java.util.HashMap;
@@ -32,7 +29,7 @@ public class JSON implements ContextResolver<ObjectMapper> {
     mapper = JsonMapper.builder()
             .serializationInclusion(JsonInclude.Include.NON_NULL)
             .configure(MapperFeature.ALLOW_COERCION_OF_SCALARS, false)
-            .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, true)
+            .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, {{failOnUnknownProperties}})
             .configure(DeserializationFeature.FAIL_ON_INVALID_SUBTYPE, true)
             .disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)
             .enable(SerializationFeature.WRITE_ENUMS_USING_TO_STRING)
@@ -45,6 +42,7 @@ public class JSON implements ContextResolver<ObjectMapper> {
             {{#openApiNullable}}
             .addModule(new JsonNullableModule())
             {{/openApiNullable}}
+            .addModule(new RFC3339JavaTimeModule())
             .build();
   }
 
diff --git a/sdks/java-v1/templates/libraries/jersey3/anyof_model.mustache b/sdks/java-v1/templates/libraries/jersey3/anyof_model.mustache
index d480667f3..46c2cdc3a 100644
--- a/sdks/java-v1/templates/libraries/jersey3/anyof_model.mustache
+++ b/sdks/java-v1/templates/libraries/jersey3/anyof_model.mustache
@@ -68,10 +68,23 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
                 return ret;
             }
             {{/discriminator}}
+            {{#composedSchemas}}
             {{#anyOf}}
-            // deserialize {{{.}}}
+            // deserialize {{{dataType}}}{{#isNullable}} (nullable){{/isNullable}}
             try {
-                deserialized = tree.traverse(jp.getCodec()).readValueAs({{{.}}}.class);
+                {{^isArray}}
+                {{^isMap}}
+                deserialized = tree.traverse(jp.getCodec()).readValueAs({{{dataType}}}.class);
+                {{/isMap}}
+                {{/isArray}}
+                {{#isArray}}
+                final TypeReference<{{{dataType}}}> ref = new TypeReference<{{{dataType}}}>(){};
+                deserialized = tree.traverse(jp.getCodec()).readValueAs(ref);
+                {{/isArray}}
+                {{#isMap}}
+                final TypeReference<{{{dataType}}}> ref = new TypeReference<{{{dataType}}}>(){};
+                deserialized = tree.traverse(jp.getCodec()).readValueAs(ref);
+                {{/isMap}}
                 {{classname}} ret = new {{classname}}();
                 ret.setActualInstance(deserialized);
                 return ret;
@@ -81,6 +94,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
             }
 
             {{/anyOf}}
+            {{/composedSchemas}}
             throw new IOException(String.format("Failed deserialization for {{classname}}: no match found"));
         }
 
@@ -119,13 +133,17 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
         return Objects.hash(getActualInstance(), isNullable(), getSchemaType(), additionalProperties);
     }
     {{/additionalPropertiesType}}
+    {{#composedSchemas}}
     {{#anyOf}}
-    public {{classname}}({{{.}}} o) {
+    {{^vendorExtensions.x-duplicated-data-type}}
+    public {{classname}}({{{baseType}}} o) {
         super("anyOf", {{#isNullable}}Boolean.TRUE{{/isNullable}}{{^isNullable}}Boolean.FALSE{{/isNullable}});
         setActualInstance(o);
     }
 
+    {{/vendorExtensions.x-duplicated-data-type}}
     {{/anyOf}}
+    {{/composedSchemas}}
     static {
         {{#anyOf}}
         schemas.put("{{{.}}}", new GenericType<{{{.}}}>() {
@@ -165,13 +183,17 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
         }
 
         {{/isNullable}}
+        {{#composedSchemas}}
         {{#anyOf}}
-        if (JSON.isInstanceOf({{{.}}}.class, instance, new HashSet<>())) {
+        {{^vendorExtensions.x-duplicated-data-type}}
+        if (JSON.isInstanceOf({{{baseType}}}.class, instance, new HashSet<>())) {
             super.setActualInstance(instance);
             return;
         }
 
+        {{/vendorExtensions.x-duplicated-data-type}}
         {{/anyOf}}
+        {{/composedSchemas}}
         throw new RuntimeException("Invalid instance type. Must be {{#anyOf}}{{{.}}}{{^-last}}, {{/-last}}{{/anyOf}}");
     }
 
@@ -186,17 +208,21 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
         return super.getActualInstance();
     }
 
+    {{#composedSchemas}}
     {{#anyOf}}
+    {{^vendorExtensions.x-duplicated-data-type-ignoring-erasure}}
     /**
-     * Get the actual instance of `{{{.}}}`. If the actual instance is not `{{{.}}}`,
+     * Get the actual instance of `{{{dataType}}}`. If the actual instance is not `{{{dataType}}}`,
      * the ClassCastException will be thrown.
      *
-     * @return The actual instance of `{{{.}}}`
-     * @throws ClassCastException if the instance is not `{{{.}}}`
+     * @return The actual instance of `{{{dataType}}}`
+     * @throws ClassCastException if the instance is not `{{{dataType}}}`
      */
-    public {{{.}}} get{{{.}}}() throws ClassCastException {
-        return ({{{.}}})super.getActualInstance();
+    public {{{dataType}}} get{{#sanitizeGeneric}}{{{dataType}}}{{/sanitizeGeneric}}() throws ClassCastException {
+        return ({{{dataType}}})super.getActualInstance();
     }
 
+    {{/vendorExtensions.x-duplicated-data-type-ignoring-erasure}}
     {{/anyOf}}
+    {{/composedSchemas}}
 }
diff --git a/sdks/java-v1/templates/libraries/jersey3/api.mustache b/sdks/java-v1/templates/libraries/jersey3/api.mustache
index 8d3e62f27..be8861553 100644
--- a/sdks/java-v1/templates/libraries/jersey3/api.mustache
+++ b/sdks/java-v1/templates/libraries/jersey3/api.mustache
@@ -67,7 +67,8 @@ public class {{classname}} {
    * @throws ApiException if fails to make API call
    {{#responses.0}}
    * @http.response.details
-     <table summary="Response Details" border="1">
+     <table border="1">
+       <caption>Response Details</caption>
        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
        {{#responses}}
        <tr><td> {{code}} </td><td> {{message}} </td><td> {{#headers}} * {{baseName}} - {{description}} <br> {{/headers}}{{^headers.0}} - {{/headers.0}} </td></tr>
@@ -101,7 +102,8 @@ public class {{classname}} {
    * @throws ApiException if fails to make API call
    {{#responses.0}}
    * @http.response.details
-     <table summary="Response Details" border="1">
+     <table border="1">
+       <caption>Response Details</caption>
        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
        {{#responses}}
        <tr><td> {{code}} </td><td> {{message}} </td><td> {{#headers}} * {{baseName}} - {{description}} <br> {{/headers}}{{^headers.0}} - {{/headers.0}} </td></tr>
@@ -195,7 +197,7 @@ public class {{classname}} {
     {{#returnType}}
     GenericType<{{{returnType}}}> localVarReturnType = new GenericType<{{{returnType}}}>() {};
     {{/returnType}}
-    return apiClient.invokeAPI("{{classname}}.{{operationId}}", {{#hasPathParams}}localVarPath{{/hasPathParams}}{{^hasPathParams}}"{{path}}"{{/hasPathParams}}, "{{httpMethod}}", {{#queryParams}}{{#-first}}localVarQueryParams{{/-first}}{{/queryParams}}{{^queryParams}}new ArrayList<>(){{/queryParams}}, {{#bodyParam}}{{paramName}}{{/bodyParam}}{{^bodyParam}}null{{/bodyParam}},
+    return apiClient.invokeAPI("{{classname}}.{{operationId}}", {{#hasPathParams}}localVarPath{{/hasPathParams}}{{^hasPathParams}}"{{{path}}}"{{/hasPathParams}}, "{{httpMethod}}", {{#queryParams}}{{#-first}}localVarQueryParams{{/-first}}{{/queryParams}}{{^queryParams}}new ArrayList<>(){{/queryParams}}, {{#bodyParam}}{{paramName}}{{/bodyParam}}{{^bodyParam}}null{{/bodyParam}},
                                {{#headerParams}}{{#-first}}localVarHeaderParams{{/-first}}{{/headerParams}}{{^headerParams}}new LinkedHashMap<>(){{/headerParams}}, {{#cookieParams}}{{#-first}}localVarCookieParams{{/-first}}{{/cookieParams}}{{^cookieParams}}new LinkedHashMap<>(){{/cookieParams}}, {{#formParams}}{{#-first}}localVarFormParams{{/-first}}{{/formParams}}{{^formParams}}new LinkedHashMap<>(){{/formParams}}, localVarAccept, localVarContentType,
                                {{#hasAuthMethods}}localVarAuthNames{{/hasAuthMethods}}{{^hasAuthMethods}}null{{/hasAuthMethods}}, {{#returnType}}localVarReturnType{{/returnType}}{{^returnType}}null{{/returnType}}, {{#bodyParam}}{{#isNullable}}true{{/isNullable}}{{^isNullable}}false{{/isNullable}}{{/bodyParam}}{{^bodyParam}}false{{/bodyParam}});
   }
@@ -232,7 +234,8 @@ public class {{classname}} {
      * @throws ApiException if fails to make API call
      {{#responses.0}}
      * @http.response.details
-       <table summary="Response Details" border="1">
+       <table border="1">
+       <caption>Response Details</caption>
          <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
          {{#responses}}
          <tr><td> {{code}} </td><td> {{message}} </td><td> {{#headers}} * {{baseName}} - {{description}} <br> {{/headers}}{{^headers.0}} - {{/headers.0}} </td></tr>
@@ -252,7 +255,8 @@ public class {{classname}} {
      * @throws ApiException if fails to make API call
      {{#responses.0}}
      * @http.response.details
-       <table summary="Response Details" border="1">
+       <table border="1">
+       <caption>Response Details</caption>
          <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
          {{#responses}}
          <tr><td> {{code}} </td><td> {{message}} </td><td> {{#headers}} * {{baseName}} - {{description}} <br> {{/headers}}{{^headers.0}} - {{/headers.0}} </td></tr>
diff --git a/sdks/java-v1/templates/libraries/jersey3/build.gradle.mustache b/sdks/java-v1/templates/libraries/jersey3/build.gradle.mustache
index 42908c8bb..f95eafca0 100644
--- a/sdks/java-v1/templates/libraries/jersey3/build.gradle.mustache
+++ b/sdks/java-v1/templates/libraries/jersey3/build.gradle.mustache
@@ -116,6 +116,9 @@ ext {
     {{#hasHttpSignatureMethods}}
     tomitribe_http_signatures_version = "1.7"
     {{/hasHttpSignatureMethods}}
+    {{#useReflectionEqualsHashCode}}
+    commons_lang3_version = "3.17.0"
+    {{/useReflectionEqualsHashCode}}
 }
 
 dependencies {
@@ -146,6 +149,9 @@ dependencies {
     {{#useBeanValidation}}
     implementation "jakarta.validation:jakarta.validation-api:$bean_validation_version"
     {{/useBeanValidation}}
+    {{#useReflectionEqualsHashCode}}
+    implementation "org.apache.commons:commons-lang3:$commons_lang3_version"
+    {{/useReflectionEqualsHashCode}}
 
     testImplementation "org.junit.jupiter:junit-jupiter-api:$junit_version"
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:$junit_version"
diff --git a/sdks/java-v1/templates/libraries/jersey3/build.sbt.mustache b/sdks/java-v1/templates/libraries/jersey3/build.sbt.mustache
index 6e89375a6..5f07e5671 100644
--- a/sdks/java-v1/templates/libraries/jersey3/build.sbt.mustache
+++ b/sdks/java-v1/templates/libraries/jersey3/build.sbt.mustache
@@ -33,6 +33,9 @@ lazy val root = (project in file(".")).
       "org.tomitribe" % "tomitribe-http-signatures" % "1.7" % "compile",
       {{/hasHttpSignatureMethods}}
       "jakarta.annotation" % "jakarta.annotation-api" % "2.1.0" % "compile",
+  {{#useReflectionEqualsHashCode}}
+        "org.apache.commons" % "commons-lang3" % "3.17.0" % "compile",
+  {{/useReflectionEqualsHashCode}}
       "org.junit.jupiter" % "junit-jupiter-api" % "5.8.2" % "test"
     )
   )
diff --git a/sdks/java-v1/templates/libraries/jersey3/oneof_model.mustache b/sdks/java-v1/templates/libraries/jersey3/oneof_model.mustache
index 09906d7b0..c0716915e 100644
--- a/sdks/java-v1/templates/libraries/jersey3/oneof_model.mustache
+++ b/sdks/java-v1/templates/libraries/jersey3/oneof_model.mustache
@@ -112,7 +112,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
                     attemptParsing |= (token == JsonToken.VALUE_NUMBER_FLOAT);
                     {{/isDecimal}}
                     {{#isBoolean}}
-                    attemptParsing |= (token == JsonToken.VALUE_FALSE || token == JsonToken.VALUE_TRUE));
+                    attemptParsing |= (token == JsonToken.VALUE_FALSE || token == JsonToken.VALUE_TRUE);
                     {{/isBoolean}}
                     {{#isNullable}}
                     attemptParsing |= (token == JsonToken.VALUE_NULL);
@@ -120,7 +120,13 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
                 }
                 {{/isPrimitiveType}}
                 if (attemptParsing) {
+                    {{#isMap}}
+                    final TypeReference<{{{dataType}}}> ref = new TypeReference<{{{dataType}}}>(){};
+                    deserialized = tree.traverse(jp.getCodec()).readValueAs(ref);
+                    {{/isMap}}
+                    {{^isMap}}
                     deserialized = tree.traverse(jp.getCodec()).readValueAs({{{dataType}}}.class);
+                    {{/isMap}}
                     // TODO: there is no validation against JSON schema constraints
                     // (min, max, enum, pattern...), this does not perform a strict JSON
                     // validation, which means the 'match' count may be higher than it should be.
@@ -266,6 +272,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
 
     {{#composedSchemas}}
     {{#oneOf}}
+    {{^vendorExtensions.x-duplicated-data-type-ignoring-erasure}}
     /**
      * Get the actual instance of `{{{dataType}}}`. If the actual instance is not `{{{dataType}}}`,
      * the ClassCastException will be thrown.
@@ -273,17 +280,11 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
      * @return The actual instance of `{{{dataType}}}`
      * @throws ClassCastException if the instance is not `{{{dataType}}}`
      */
-    {{^isArray}}
-    public {{{dataType}}} get{{{dataType}}}() throws ClassCastException {
-        return ({{{dataType}}})super.getActualInstance();
-    }
-    {{/isArray}}
-    {{#isArray}}
         public {{{dataType}}} get{{#sanitizeGeneric}}{{{dataType}}}{{/sanitizeGeneric}}() throws ClassCastException {
         return ({{{dataType}}})super.getActualInstance();
         }
-    {{/isArray}}
 
+    {{/vendorExtensions.x-duplicated-data-type-ignoring-erasure}}
     {{/oneOf}}
     {{/composedSchemas}}
 }
diff --git a/sdks/java-v1/templates/libraries/jersey3/pojo.mustache b/sdks/java-v1/templates/libraries/jersey3/pojo.mustache
index 06be4ddf2..8f454c429 100644
--- a/sdks/java-v1/templates/libraries/jersey3/pojo.mustache
+++ b/sdks/java-v1/templates/libraries/jersey3/pojo.mustache
@@ -81,7 +81,8 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   {{#deprecated}}
   @Deprecated
   {{/deprecated}}
-  private {{{datatypeWithEnum}}} {{name}}{{#defaultValue}} = {{{.}}}{{/defaultValue}};
+  {{>nullable_var_annotations}}
+    private {{{datatypeWithEnum}}} {{name}}{{#defaultValue}} = {{{.}}}{{/defaultValue}};
   {{/vendorExtensions.x-is-jackson-optional-nullable}}
 
   {{/vars}}
@@ -113,7 +114,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   {{#deprecated}}
   @Deprecated
   {{/deprecated}}
-  public {{classname}} {{name}}({{{datatypeWithEnum}}} {{name}}) {
+  public {{classname}} {{name}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
     {{#vendorExtensions.x-enum-as-string}}
     if (!{{{nameInSnakeCase}}}_VALUES.contains({{name}})) {
       throw new IllegalArgumentException({{name}} + " is invalid. Possible values for {{name}}: " + String.join(", ", {{{nameInSnakeCase}}}_VALUES));
@@ -197,17 +198,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
 {{#deprecated}}
   @Deprecated
 {{/deprecated}}
-{{#required}}
-{{#isNullable}}
-  @{{javaxPackage}}.annotation.Nullable
-{{/isNullable}}
-{{^isNullable}}
-  @{{javaxPackage}}.annotation.Nonnull
-{{/isNullable}}
-{{/required}}
-{{^required}}
-  @{{javaxPackage}}.annotation.Nullable
-{{/required}}
+  {{>nullable_var_annotations}}
 {{#useBeanValidation}}
 {{>beanValidation}}
 {{/useBeanValidation}}
@@ -257,7 +248,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   @Deprecated
   {{/deprecated}}
 {{#vendorExtensions.x-setter-extra-annotation}}  {{{vendorExtensions.x-setter-extra-annotation}}}
-{{/vendorExtensions.x-setter-extra-annotation}}{{#jackson}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{> jackson_annotations}}{{/vendorExtensions.x-is-jackson-optional-nullable}}{{/jackson}}  public void {{setter}}({{{datatypeWithEnum}}} {{name}}) {
+{{/vendorExtensions.x-setter-extra-annotation}}{{#jackson}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{> jackson_annotations}}{{/vendorExtensions.x-is-jackson-optional-nullable}}{{/jackson}}  public void {{setter}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
     {{#vendorExtensions.x-enum-as-string}}
     if (!{{{nameInSnakeCase}}}_VALUES.contains({{name}})) {
       throw new IllegalArgumentException({{name}} + " is invalid. Possible values for {{name}}: " + String.join(", ", {{{nameInSnakeCase}}}_VALUES));
diff --git a/sdks/java-v1/templates/libraries/jersey3/pom.mustache b/sdks/java-v1/templates/libraries/jersey3/pom.mustache
index d2f13457c..a3c115041 100644
--- a/sdks/java-v1/templates/libraries/jersey3/pom.mustache
+++ b/sdks/java-v1/templates/libraries/jersey3/pom.mustache
@@ -379,6 +379,15 @@
             <artifactId>jersey-apache-connector</artifactId>
             <version>${jersey-version}</version>
         </dependency>
+        {{#useReflectionEqualsHashCode}}
+        <!-- For equals and hashCode using reflection -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3-version}</version>
+        </dependency>
+        {{/useReflectionEqualsHashCode}}
+
         <!-- test dependencies -->
         <dependency>
             <groupId>org.junit.jupiter</groupId>
@@ -400,9 +409,7 @@
         <jackson-databind-version>2.17.1</jackson-databind-version>
         <jackson-databind-nullable-version>0.2.6</jackson-databind-nullable-version>
         <jakarta-annotation-version>2.1.1</jakarta-annotation-version>
-        {{#useBeanValidation}}
         <beanvalidation-version>3.0.2</beanvalidation-version>
-        {{/useBeanValidation}}
         <junit-version>5.10.0</junit-version>
         {{#hasHttpSignatureMethods}}
         <http-signature-version>1.8</http-signature-version>
@@ -410,6 +417,9 @@
         {{#hasOAuthMethods}}
         <scribejava-apis-version>8.3.3</scribejava-apis-version>
         {{/hasOAuthMethods}}
+        {{#useReflectionEqualsHashCode}}
+        <commons-lang3-version>3.17.0</commons-lang3-version>
+        {{/useReflectionEqualsHashCode}}
         <spotless.version>2.21.0</spotless.version>
     </properties>
 </project>
diff --git a/sdks/java-v1/templates/libraries/microprofile/api.mustache b/sdks/java-v1/templates/libraries/microprofile/api.mustache
index 6e25c1f10..0b0a7c4ba 100644
--- a/sdks/java-v1/templates/libraries/microprofile/api.mustache
+++ b/sdks/java-v1/templates/libraries/microprofile/api.mustache
@@ -71,10 +71,10 @@ public interface {{classname}}  {
 {{#hasProduces}}
     @Produces({ {{#produces}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{/produces}} })
 {{/hasProduces}}
-{{^useSingleRequestParameter}}
-    {{^vendorExtensions.x-java-is-response-void}}{{#microprofileServer}}{{> server_operation}}{{/microprofileServer}}{{^microprofileServer}}{{> client_operation}}{{/microprofileServer}}{{/vendorExtensions.x-java-is-response-void}}{{#vendorExtensions.x-java-is-response-void}}{{#microprofileMutiny}}Uni<Void>{{/microprofileMutiny}}{{^microprofileMutiny}}void{{/microprofileMutiny}}{{/vendorExtensions.x-java-is-response-void}} {{nickname}}({{#allParams}}{{>queryParams}}{{>pathParams}}{{>headerParams}}{{>bodyParams}}{{>formParams}}{{^-last}}, {{/-last}}{{/allParams}}) throws ApiException, ProcessingException;
-{{/useSingleRequestParameter}}
-{{#useSingleRequestParameter}}
+{{^singleRequestParameter}}
+    {{^vendorExtensions.x-java-is-response-void}}{{#microprofileServer}}{{> server_operation}}{{/microprofileServer}}{{^microprofileServer}}{{> client_operation}}{{/microprofileServer}}{{/vendorExtensions.x-java-is-response-void}}{{#vendorExtensions.x-java-is-response-void}}{{#microprofileMutiny}}Uni<Void>{{/microprofileMutiny}}{{^microprofileMutiny}}void{{/microprofileMutiny}}{{/vendorExtensions.x-java-is-response-void}} {{nickname}}({{#allParams}}{{>queryParams}}{{>pathParams}}{{>headerParams}}{{>bodyParams}}{{>formParams}}{{>cookieParams}}{{^-last}}, {{/-last}}{{/allParams}}) throws ApiException, ProcessingException;
+{{/singleRequestParameter}}
+{{#singleRequestParameter}}
     {{^vendorExtensions.x-java-is-response-void}}{{#microprofileMutiny}}Uni<{{{returnType}}}>{{/microprofileMutiny}}{{^microprofileMutiny}}{{{returnType}}}{{/microprofileMutiny}}{{/vendorExtensions.x-java-is-response-void}}{{#vendorExtensions.x-java-is-response-void}}{{#microprofileMutiny}}Uni<Void>{{/microprofileMutiny}}{{^microprofileMutiny}}void{{/microprofileMutiny}}{{/vendorExtensions.x-java-is-response-void}} {{nickname}}({{#hasNonBodyParams}}@BeanParam {{operationIdCamelCase}}Request request{{/hasNonBodyParams}}{{#bodyParams}}{{#hasNonBodyParams}}, {{/hasNonBodyParams}}{{>bodyParams}}{{/bodyParams}}) throws ApiException, ProcessingException;
     {{#hasNonBodyParams}}
     public class {{operationIdCamelCase}}Request {
@@ -91,6 +91,9 @@ public interface {{classname}}  {
         {{#formParams}}
         private {{>formParams}};
         {{/formParams}}
+        {{#cookieParams}}
+        private {{>cookieParams}};
+        {{/cookieParams}}
 
         private {{operationIdCamelCase}}Request() {
         }
@@ -106,7 +109,7 @@ public interface {{classname}}  {
          * @param {{paramName}}{{>formParamsNameSuffix}} {{description}} ({{^required}}optional{{^isContainer}}{{#defaultValue}}, default to {{.}}{{/defaultValue}}{{/isContainer}}{{/required}}{{#required}}required{{/required}})
          * @return {{operationIdCamelCase}}Request
          */
-        public {{operationIdCamelCase}}Request {{paramName}}{{>formParamsNameSuffix}}({{>queryParamsImpl}}{{>pathParamsImpl}}{{>headerParamsImpl}}{{>formParamsImpl}}) {
+        public {{operationIdCamelCase}}Request {{paramName}}{{>formParamsNameSuffix}}({{>queryParamsImpl}}{{>pathParamsImpl}}{{>headerParamsImpl}}{{>formParamsImpl}}{{>cookieParamsImpl}}) {
             this.{{paramName}}{{>formParamsNameSuffix}} = {{paramName}}{{>formParamsNameSuffix}};
             return this;
         }
@@ -114,7 +117,7 @@ public interface {{classname}}  {
         {{/allParams}}
     }
     {{/hasNonBodyParams}}
-{{/useSingleRequestParameter}}
+{{/singleRequestParameter}}
 {{/operation}}
 }
 {{/operations}}
diff --git a/sdks/java-v1/templates/libraries/microprofile/beanValidationCookieParams.mustache b/sdks/java-v1/templates/libraries/microprofile/beanValidationCookieParams.mustache
new file mode 100644
index 000000000..c4ff01d7e
--- /dev/null
+++ b/sdks/java-v1/templates/libraries/microprofile/beanValidationCookieParams.mustache
@@ -0,0 +1 @@
+{{#required}} @NotNull{{/required}}{{>beanValidationCore}}
\ No newline at end of file
diff --git a/sdks/java-v1/templates/libraries/microprofile/cookieParams.mustache b/sdks/java-v1/templates/libraries/microprofile/cookieParams.mustache
new file mode 100644
index 000000000..4cca907c6
--- /dev/null
+++ b/sdks/java-v1/templates/libraries/microprofile/cookieParams.mustache
@@ -0,0 +1 @@
+{{#isCookieParam}}@CookieParam("{{baseName}}") {{#useBeanValidation}}{{>beanValidationCookieParams}}{{/useBeanValidation}} {{{dataType}}} {{paramName}}{{/isCookieParam}}
\ No newline at end of file
diff --git a/sdks/java-v1/templates/libraries/microprofile/cookieParamsImpl.mustache b/sdks/java-v1/templates/libraries/microprofile/cookieParamsImpl.mustache
new file mode 100644
index 000000000..70871f0f8
--- /dev/null
+++ b/sdks/java-v1/templates/libraries/microprofile/cookieParamsImpl.mustache
@@ -0,0 +1 @@
+{{#isCookieParam}}{{{dataType}}} {{paramName}}{{/isCookieParam}}
\ No newline at end of file
diff --git a/sdks/java-v1/templates/libraries/microprofile/enumClass.mustache b/sdks/java-v1/templates/libraries/microprofile/enumClass.mustache
index cb8539bd1..7cead92c5 100644
--- a/sdks/java-v1/templates/libraries/microprofile/enumClass.mustache
+++ b/sdks/java-v1/templates/libraries/microprofile/enumClass.mustache
@@ -77,7 +77,7 @@
                     return b;
                 }
             }
-            {{#isNullable}}return null;{{/isNullable}}{{^isNullable}}throw new IllegalArgumentException("Unexpected value '" + value + "'");{{/isNullable}}
+            {{#isNullable}}return null;{{/isNullable}}{{^isNullable}}{{#enumUnknownDefaultCase}}{{#allowableValues}}{{#enumVars}}{{#-last}}return {{{name}}};{{/-last}}{{/enumVars}}{{/allowableValues}}{{/enumUnknownDefaultCase}}{{^enumUnknownDefaultCase}}throw new IllegalArgumentException("Unexpected value '" + value + "'");{{/enumUnknownDefaultCase}}{{/isNullable}}
         }
     {{/jackson}}
     {{/withXml}}
diff --git a/sdks/java-v1/templates/libraries/microprofile/enumOuterClass.mustache b/sdks/java-v1/templates/libraries/microprofile/enumOuterClass.mustache
index 2539064d1..588e52c7e 100644
--- a/sdks/java-v1/templates/libraries/microprofile/enumOuterClass.mustache
+++ b/sdks/java-v1/templates/libraries/microprofile/enumOuterClass.mustache
@@ -65,6 +65,6 @@ import java.net.URI;
         return b;
       }
     }
-    {{#useNullForUnknownEnumValue}}return null;{{/useNullForUnknownEnumValue}}{{^useNullForUnknownEnumValue}}throw new IllegalArgumentException("Unexpected value '" + text + "'");{{/useNullForUnknownEnumValue}}
+    {{#useNullForUnknownEnumValue}}return null;{{/useNullForUnknownEnumValue}}{{^useNullForUnknownEnumValue}}{{#enumUnknownDefaultCase}}{{#allowableValues}}{{#enumVars}}{{#-last}}return {{{name}}};{{/-last}}{{/enumVars}}{{/allowableValues}}{{/enumUnknownDefaultCase}}{{^enumUnknownDefaultCase}}throw new IllegalArgumentException("Unexpected value '" + text + "'");{{/enumUnknownDefaultCase}}{{/useNullForUnknownEnumValue}}
   }
 }
diff --git a/sdks/java-v1/templates/libraries/microprofile/model.mustache b/sdks/java-v1/templates/libraries/microprofile/model.mustache
index e10e68d83..8ac93be1b 100644
--- a/sdks/java-v1/templates/libraries/microprofile/model.mustache
+++ b/sdks/java-v1/templates/libraries/microprofile/model.mustache
@@ -1,6 +1,12 @@
 {{>licenseInfo}}
 package {{package}};
 
+{{#useReflectionEqualsHashCode}}
+import org.apache.commons.lang3.builder.EqualsBuilder;
+import org.apache.commons.lang3.builder.HashCodeBuilder;
+{{/useReflectionEqualsHashCode}}
+import java.util.Objects;
+import java.util.Arrays;
 {{#imports}}import {{import}};
 {{/imports}}
 {{#serializableModel}}
@@ -31,9 +37,12 @@ import {{rootJavaEEPackage}}.json.bind.serializer.SerializationContext;
 import {{rootJavaEEPackage}}.json.stream.JsonGenerator;
 import {{rootJavaEEPackage}}.json.stream.JsonParser;
 import {{rootJavaEEPackage}}.json.bind.annotation.JsonbProperty;
-{{#vendorExtensions.x-has-readonly-properties}}
+{{#jsonbPolymorphism}}
+import {{rootJavaEEPackage}}.json.bind.annotation.JsonbSubtype;
+import {{rootJavaEEPackage}}.json.bind.annotation.JsonbTransient;
+import {{rootJavaEEPackage}}.json.bind.annotation.JsonbTypeInfo;
+{{/jsonbPolymorphism}}
 import {{rootJavaEEPackage}}.json.bind.annotation.JsonbCreator;
-{{/vendorExtensions.x-has-readonly-properties}}
 {{/jsonb}}
 {{#useBeanValidation}}
 import {{rootJavaEEPackage}}.validation.constraints.*;
diff --git a/sdks/java-v1/templates/libraries/microprofile/pojo.mustache b/sdks/java-v1/templates/libraries/microprofile/pojo.mustache
index afad09aa3..9fcac409c 100644
--- a/sdks/java-v1/templates/libraries/microprofile/pojo.mustache
+++ b/sdks/java-v1/templates/libraries/microprofile/pojo.mustache
@@ -22,7 +22,7 @@
   * {{{.}}}
   */
 {{/description}}
-{{>additionalModelTypeAnnotations}}
+{{>additionalModelTypeAnnotations}}{{#discriminator}}{{>typeInfoAnnotation}}{{/discriminator}}
 {{#vendorExtensions.x-class-extra-annotation}}
 {{{vendorExtensions.x-class-extra-annotation}}}
 {{/vendorExtensions.x-class-extra-annotation}}
@@ -45,7 +45,7 @@ public class {{classname}} {{#parent}}extends {{{.}}}{{/parent}}{{#vendorExtensi
   */
 {{/description}}
   {{^withXml}}
-  {{#jsonb}}@JsonbProperty("{{baseName}}"){{/jsonb}}
+  {{#jsonb}}{{^isDiscriminator}}@JsonbProperty("{{baseName}}"){{/isDiscriminator}}{{#isDiscriminator}}{{#jsonbPolymorphism}}@JsonbTransient{{/jsonbPolymorphism}}{{^jsonbPolymorphism}}@JsonbProperty("{{baseName}}"){{/jsonbPolymorphism}}{{/isDiscriminator}}{{/jsonb}}
   {{/withXml}}
 {{#vendorExtensions.x-field-extra-annotation}}
 {{{vendorExtensions.x-field-extra-annotation}}}
@@ -148,28 +148,5 @@ public class {{classname}} {{#parent}}extends {{{.}}}{{/parent}}{{#vendorExtensi
   {{/isReadOnly}}
 
   {{/vars}}
-
-  /**
-   * Create a string representation of this pojo.
-   */
-  @Override
-  public String toString() {
-    StringBuilder sb = new StringBuilder();
-    sb.append("class {{classname}} {\n");
-    {{#parent}}sb.append("    ").append(toIndentedString(super.toString())).append("\n");{{/parent}}
-    {{#vars}}sb.append("    {{name}}: ").append({{#isPassword}}"*"{{/isPassword}}{{^isPassword}}toIndentedString({{name}}){{/isPassword}}).append("\n");
-    {{/vars}}sb.append("}");
-    return sb.toString();
-  }
-
-  /**
-   * Convert the given object to string with each line indented by 4 spaces
-   * (except the first line).
-   */
-  private static String toIndentedString(Object o) {
-    if (o == null) {
-      return "null";
-    }
-    return o.toString().replace("\n", "\n    ");
-  }
+{{>pojoOverrides}}
 }
diff --git a/sdks/java-v1/templates/libraries/microprofile/pojoOverrides.mustache b/sdks/java-v1/templates/libraries/microprofile/pojoOverrides.mustache
new file mode 100644
index 000000000..f0fbb0b20
--- /dev/null
+++ b/sdks/java-v1/templates/libraries/microprofile/pojoOverrides.mustache
@@ -0,0 +1,64 @@
+  @Override
+  public boolean equals(Object o) {
+  {{#useReflectionEqualsHashCode}}
+    return EqualsBuilder.reflectionEquals(this, o, false, null, true);
+  {{/useReflectionEqualsHashCode}}
+  {{^useReflectionEqualsHashCode}}
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }{{#hasVars}}
+    {{classname}} {{classVarName}} = ({{classname}}) o;
+    return {{#vars}}{{#vendorExtensions.x-is-jackson-optional-nullable}}equalsNullable(this.{{name}}, {{classVarName}}.{{name}}){{/vendorExtensions.x-is-jackson-optional-nullable}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{#isByteArray}}Arrays{{/isByteArray}}{{^isByteArray}}Objects{{/isByteArray}}.equals(this.{{name}}, {{classVarName}}.{{name}}){{/vendorExtensions.x-is-jackson-optional-nullable}}{{^-last}} &&
+        {{/-last}}{{/vars}}{{#parent}} &&
+        super.equals(o){{/parent}};{{/hasVars}}{{^hasVars}}
+    return {{#parent}}super.equals(o){{/parent}}{{^parent}}true{{/parent}};{{/hasVars}}
+  {{/useReflectionEqualsHashCode}}
+  }{{#vendorExtensions.x-jackson-optional-nullable-helpers}}
+
+  private static <T> boolean equalsNullable(JsonNullable<T> a, JsonNullable<T> b) {
+    return a == b || (a != null && b != null && a.isPresent() && b.isPresent() && Objects.deepEquals(a.get(), b.get()));
+  }{{/vendorExtensions.x-jackson-optional-nullable-helpers}}
+
+  @Override
+  public int hashCode() {
+  {{#useReflectionEqualsHashCode}}
+    return HashCodeBuilder.reflectionHashCode(this);
+  {{/useReflectionEqualsHashCode}}
+  {{^useReflectionEqualsHashCode}}
+    return Objects.hash({{#vars}}{{#vendorExtensions.x-is-jackson-optional-nullable}}hashCodeNullable({{name}}){{/vendorExtensions.x-is-jackson-optional-nullable}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{^isByteArray}}{{name}}{{/isByteArray}}{{#isByteArray}}Arrays.hashCode({{name}}){{/isByteArray}}{{/vendorExtensions.x-is-jackson-optional-nullable}}{{^-last}}, {{/-last}}{{/vars}}{{#parent}}{{#hasVars}}, {{/hasVars}}super.hashCode(){{/parent}});
+  {{/useReflectionEqualsHashCode}}
+  }{{#vendorExtensions.x-jackson-optional-nullable-helpers}}
+
+  private static <T> int hashCodeNullable(JsonNullable<T> a) {
+    if (a == null) {
+      return 1;
+    }
+    return a.isPresent() ? Arrays.deepHashCode(new Object[]{a.get()}) : 31;
+  }{{/vendorExtensions.x-jackson-optional-nullable-helpers}}
+
+  /**
+   * Create a string representation of this pojo.
+   */
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class {{classname}} {\n");
+    {{#parent}}sb.append("    ").append(toIndentedString(super.toString())).append("\n");{{/parent}}
+    {{#vars}}sb.append("    {{name}}: ").append({{#isPassword}}"*"{{/isPassword}}{{^isPassword}}toIndentedString({{name}}){{/isPassword}}).append("\n");
+    {{/vars}}sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private static String toIndentedString(Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
\ No newline at end of file
diff --git a/sdks/java-v1/templates/libraries/microprofile/pom.mustache b/sdks/java-v1/templates/libraries/microprofile/pom.mustache
index f814d4c0d..4fefd6db2 100644
--- a/sdks/java-v1/templates/libraries/microprofile/pom.mustache
+++ b/sdks/java-v1/templates/libraries/microprofile/pom.mustache
@@ -196,6 +196,14 @@
         <version>${mutiny.version}</version>
     </dependency>
 {{/microprofileMutiny}}
+{{#useReflectionEqualsHashCode}}
+    <!-- For equals and hashCode using reflection -->
+    <dependency>
+      <groupId>org.apache.commons</groupId>
+      <artifactId>commons-lang3</artifactId>
+      <version>${commons.lang3.version}</version>
+    </dependency>
+{{/useReflectionEqualsHashCode}}
   </dependencies>
   <repositories>
     <repository>
@@ -210,10 +218,12 @@
     <java.version>1.8</java.version>
     <maven.compiler.source>${java.version}</maven.compiler.source>
     <maven.compiler.target>${java.version}</maven.compiler.target>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+
     <swagger.core.version>1.5.18</swagger.core.version>
     <jetty.version>9.2.9.v20150224</jetty.version>
     <junit.version>5.10.2</junit.version>
-    <logback.version>1.4.14</logback.version>
+    <logback.version>1.5.13</logback.version>
 {{#useBeanValidation}}
     <beanvalidation.version>3.0.2</beanvalidation.version>
 {{/useBeanValidation}}
@@ -238,9 +248,11 @@
     <jandex.maven.plugin.version>1.1.0</jandex.maven.plugin.version>
     <maven.failsafe.plugin.version>2.6</maven.failsafe.plugin.version>
     <build.helper.maven.plugin.version>1.9.1</build.helper.maven.plugin.version>
-    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 {{#microprofileMutiny}}
-    <mutiny.version>1.2.0</mutiny.version>
+    <mutiny.version>1.10.0</mutiny.version>
 {{/microprofileMutiny}}
+{{#useReflectionEqualsHashCode}}
+    <commons.lang3.version>3.17.0</commons.lang3.version>
+{{/useReflectionEqualsHashCode}}
   </properties>
 </project>
diff --git a/sdks/java-v1/templates/libraries/microprofile/pom_3.0.mustache b/sdks/java-v1/templates/libraries/microprofile/pom_3.0.mustache
index 7accc4cb2..9462e0d92 100644
--- a/sdks/java-v1/templates/libraries/microprofile/pom_3.0.mustache
+++ b/sdks/java-v1/templates/libraries/microprofile/pom_3.0.mustache
@@ -189,6 +189,21 @@
         <version>${jakarta.annotation.version}</version>
         <scope>provided</scope>
     </dependency>
+{{#microprofileMutiny}}
+    <dependency>
+        <groupId>io.smallrye.reactive</groupId>
+        <artifactId>mutiny</artifactId>
+        <version>${mutiny.version}</version>
+    </dependency>
+{{/microprofileMutiny}}
+{{#useReflectionEqualsHashCode}}
+    <!-- For equals and hashCode using reflection -->
+    <dependency>
+      <groupId>org.apache.commons</groupId>
+      <artifactId>commons-lang3</artifactId>
+      <version>${commons.lang3.version}</version>
+    </dependency>
+{{/useReflectionEqualsHashCode}}
   </dependencies>
   <repositories>
     <repository>
@@ -203,10 +218,12 @@
     <java.version>11</java.version>
     <maven.compiler.source>${java.version}</maven.compiler.source>
     <maven.compiler.target>${java.version}</maven.compiler.target>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+
     <swagger.core.version>1.5.18</swagger.core.version>
     <jetty.version>9.2.9.v20150224</jetty.version>
     <junit.version>5.10.2</junit.version>
-    <logback.version>1.4.14</logback.version>
+    <logback.version>1.5.13</logback.version>
 {{#useBeanValidation}}
     <beanvalidation.version>3.0.1</beanvalidation.version>
 {{/useBeanValidation}}
@@ -217,7 +234,7 @@
 {{/jackson}}
     <jakarta.activation.version>2.1.0</jakarta.activation.version>
     <jakarta.annotation.version>2.0.0</jakarta.annotation.version>
-    <jakarta.json.bind.version>2.0.0</jakarta.json.bind.version>
+    <jakarta.json.bind.version>3.0.0</jakarta.json.bind.version>
     <jakarta.json.version>2.0.1</jakarta.json.version>
     <jakarta.ws.rs.version>3.0.0</jakarta.ws.rs.version>
     <jakarta.xml.bind.version>3.0.1</jakarta.xml.bind.version>
@@ -231,6 +248,11 @@
     <jandex.maven.plugin.version>1.1.0</jandex.maven.plugin.version>
     <maven.failsafe.plugin.version>2.6</maven.failsafe.plugin.version>
     <build.helper.maven.plugin.version>1.9.1</build.helper.maven.plugin.version>
-    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+{{#microprofileMutiny}}
+    <mutiny.version>1.10.0</mutiny.version>
+{{/microprofileMutiny}}
+{{#useReflectionEqualsHashCode}}
+    <commons.lang3.version>3.17.0</commons.lang3.version>
+{{/useReflectionEqualsHashCode}}
   </properties>
 </project>
diff --git a/sdks/java-v1/templates/libraries/native/ApiClient.mustache b/sdks/java-v1/templates/libraries/native/ApiClient.mustache
index a641525af..a8bede355 100644
--- a/sdks/java-v1/templates/libraries/native/ApiClient.mustache
+++ b/sdks/java-v1/templates/libraries/native/ApiClient.mustache
@@ -183,7 +183,7 @@ public class ApiClient {
     asyncResponseInterceptor = null;
   }
 
-  protected ObjectMapper createDefaultObjectMapper() {
+  public static ObjectMapper createDefaultObjectMapper() {
     ObjectMapper mapper = new ObjectMapper();
     mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
     mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
@@ -199,15 +199,15 @@ public class ApiClient {
     return mapper;
   }
 
-  protected String getDefaultBaseUri() {
+  private String getDefaultBaseUri() {
     return "{{{basePath}}}";
   }
 
-  protected HttpClient.Builder createDefaultHttpClientBuilder() {
+  public static HttpClient.Builder createDefaultHttpClientBuilder() {
     return HttpClient.newBuilder();
   }
 
-  public void updateBaseUri(String baseUri) {
+  public final void updateBaseUri(String baseUri) {
     URI uri = URI.create(baseUri);
     scheme = uri.getScheme();
     host = uri.getHost();
diff --git a/sdks/java-v1/templates/libraries/native/JSON.mustache b/sdks/java-v1/templates/libraries/native/JSON.mustache
index 813bb7940..496e5a1a8 100644
--- a/sdks/java-v1/templates/libraries/native/JSON.mustache
+++ b/sdks/java-v1/templates/libraries/native/JSON.mustache
@@ -30,7 +30,12 @@ public class JSON {
     mapper = JsonMapper.builder()
         .serializationInclusion(JsonInclude.Include.NON_NULL)
         .disable(MapperFeature.ALLOW_COERCION_OF_SCALARS)
+        {{#failOnUnknownProperties}}
         .enable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)
+        {{/failOnUnknownProperties}}
+        {{^failOnUnknownProperties}}
+        .disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)
+        {{/failOnUnknownProperties}}
         .enable(DeserializationFeature.FAIL_ON_INVALID_SUBTYPE)
         .disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)
         .enable(SerializationFeature.WRITE_ENUMS_USING_TO_STRING)
diff --git a/sdks/java-v1/templates/libraries/native/anyof_model.mustache b/sdks/java-v1/templates/libraries/native/anyof_model.mustache
index dfb6464d5..7cc5081d8 100644
--- a/sdks/java-v1/templates/libraries/native/anyof_model.mustache
+++ b/sdks/java-v1/templates/libraries/native/anyof_model.mustache
@@ -16,6 +16,7 @@ import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
 import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
 import com.fasterxml.jackson.databind.ser.std.StdSerializer;
+import {{invokerPackage}}.ApiClient;
 import {{invokerPackage}}.JSON;
 
 {{>additionalModelTypeAnnotations}}{{>generatedAnnotation}}{{>xmlAnnotation}}
@@ -241,7 +242,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
           for ({{{items.dataType}}} _item : ({{{dataType}}})getActualInstance()) {
             joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
                 "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
-                URLEncoder.encode(String.valueOf(_item), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+                ApiClient.urlEncode(String.valueOf(_item))));
           }
           i++;
         }
@@ -251,7 +252,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
           for (int i = 0; i < (({{{dataType}}})getActualInstance()).size(); i++) {
             joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
                 "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
-                URLEncoder.encode(String.valueOf(getActualInstance().get(i)), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+                ApiClient.urlEncode(String.valueOf(getActualInstance().get(i)))));
           }
         }
         {{/uniqueItems}}
@@ -289,7 +290,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
             if (_item != null) {
               joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
                   "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
-                  URLEncoder.encode(String.valueOf(_item), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+                  ApiClient.urlEncode(String.valueOf(_item))));
             }
             i++;
           }
@@ -301,7 +302,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
             if (getActualInstance().get(i) != null) {
               joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
                   "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
-                  URLEncoder.encode(String.valueOf((({{{dataType}}})getActualInstance()).get(i)), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+                  ApiClient.urlEncode(String.valueOf((({{{dataType}}})getActualInstance()).get(i)))));
             }
           }
         }
@@ -316,7 +317,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
           for (String _key : (({{{dataType}}})getActualInstance()).keySet()) {
             joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
                 "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix),
-                getActualInstance().get(_key), URLEncoder.encode(String.valueOf((({{{dataType}}})getActualInstance()).get(_key)), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+                getActualInstance().get(_key), ApiClient.urlEncode(String.valueOf((({{{dataType}}})getActualInstance()).get(_key)))));
           }
         }
         {{/items.isPrimitiveType}}
@@ -334,7 +335,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
         {{^isMap}}
         {{#isPrimitiveType}}
         if (getActualInstance() != null) {
-          joiner.add(String.format("%s{{{baseName}}}%s=%s", prefix, suffix, URLEncoder.encode(String.valueOf(getActualInstance()), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+          joiner.add(String.format("%s{{{baseName}}}%s=%s", prefix, suffix, ApiClient.urlEncode(String.valueOf(getActualInstance()))));
         }
         {{/isPrimitiveType}}
         {{^isPrimitiveType}}
@@ -345,7 +346,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
         {{/isModel}}
         {{^isModel}}
         if (getActualInstance() != null) {
-          joiner.add(String.format("%s{{{baseName}}}%s=%s", prefix, suffix, URLEncoder.encode(String.valueOf(getActualInstance()), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+          joiner.add(String.format("%s{{{baseName}}}%s=%s", prefix, suffix, ApiClient.urlEncode(String.valueOf(getActualInstance()))));
         }
         {{/isModel}}
         {{/isPrimitiveType}}
diff --git a/sdks/java-v1/templates/libraries/native/api.mustache b/sdks/java-v1/templates/libraries/native/api.mustache
index a80dcbac8..c100f2f81 100644
--- a/sdks/java-v1/templates/libraries/native/api.mustache
+++ b/sdks/java-v1/templates/libraries/native/api.mustache
@@ -4,6 +4,7 @@ package {{package}};
 import {{invokerPackage}}.ApiClient;
 import {{invokerPackage}}.ApiException;
 import {{invokerPackage}}.ApiResponse;
+import {{invokerPackage}}.Configuration;
 import {{invokerPackage}}.Pair;
 
 {{#imports}}
@@ -14,8 +15,8 @@ import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 
 {{/useBeanValidation}}
 {{#hasFormParamsInSpec}}
@@ -64,7 +65,7 @@ public class {{classname}} {
   private final Consumer<HttpResponse<String>> memberVarAsyncResponseInterceptor;
 
   public {{classname}}() {
-    this(new ApiClient());
+    this(Configuration.getDefaultApiClient());
   }
 
   public {{classname}}(ApiClient apiClient) {
@@ -271,22 +272,46 @@ public class {{classname}} {
         }
         {{/vendorExtensions.x-java-text-plain-string}}
         {{^vendorExtensions.x-java-text-plain-string}}
-        return new ApiResponse<{{{returnType}}}{{^returnType}}Void{{/returnType}}>(
-          localVarResponse.statusCode(),
-          localVarResponse.headers().map(),
-          {{#returnType}}
-          localVarResponse.body() == null ? null : memberVarObjectMapper.readValue(localVarResponse.body(), new TypeReference<{{{returnType}}}>() {}) // closes the InputStream
-          {{/returnType}}
-          {{^returnType}}
-          null
-          {{/returnType}}
+        {{#returnType}}
+        {{! Fix for https://github.com/OpenAPITools/openapi-generator/issues/13968 }}
+        {{! This part had a bugfix for an empty response in the past, but this part of that PR was reverted because it was not doing anything. }}
+        {{! Keep this documentation here, because the problem is not obvious. }}
+        {{! `InputStream.available()` was used, but that only works for inputstreams that are already in memory, it will not give the right result if it is a remote stream. We only work with remote streams here. }}
+        {{! https://github.com/OpenAPITools/openapi-generator/pull/13993/commits/3e!37411d2acef0311c82e6d941a8e40b3bc0b6da }}
+        {{! The `available` method would work with a `PushbackInputStream`, because we could read 1 byte to check if it exists then push it back so Jackson can read it again. The issue with that is that it will also insert an ascii character for "head of input" and that will break Jackson as it does not handle special whitespace characters. }}
+        {{! A fix for that problem is to read it into a string and remove those characters, but if we need to read it before giving it to jackson to fix the string then just reading it into a string as is to do an emptiness check is the cleaner solution. }}
+        {{! We could also manipulate the inputstream to remove that bad character, but string manipulation is easier to read and this codepath is not asyncronus so we do not gain anything by reading the stream later. }}
+        {{! This fix does make it unsuitable for large amounts of data because `InputStream.readAllbytes` is not meant for it, but a synchronous client is already not the right tool for that.}}
+        if (localVarResponse.body() == null) {
+          return new ApiResponse<{{{returnType}}}>(
+              localVarResponse.statusCode(),
+              localVarResponse.headers().map(),
+              null
+          );
+        }
+
+        String responseBody = new String(localVarResponse.body().readAllBytes());
+        localVarResponse.body().close();
+
+        return new ApiResponse<{{{returnType}}}>(
+            localVarResponse.statusCode(),
+            localVarResponse.headers().map(),
+            responseBody.isBlank()? null: memberVarObjectMapper.readValue(responseBody, new TypeReference<{{{returnType}}}>() {})
         );
+        {{/returnType}}
+        {{^returnType}}
+        return new ApiResponse<{{{returnType}}}>(
+            localVarResponse.statusCode(),
+            localVarResponse.headers().map(),
+            null
+        );
+        {{/returnType}}
         {{/vendorExtensions.x-java-text-plain-string}}
       } finally {
         {{^returnType}}
         // Drain the InputStream
         while (localVarResponse.body().read() != -1) {
-            // Ignore
+          // Ignore
         }
         localVarResponse.body().close();
         {{/returnType}}
diff --git a/sdks/java-v1/templates/libraries/native/api_test.mustache b/sdks/java-v1/templates/libraries/native/api_test.mustache
index 497bd5308..8558cc6f4 100644
--- a/sdks/java-v1/templates/libraries/native/api_test.mustache
+++ b/sdks/java-v1/templates/libraries/native/api_test.mustache
@@ -19,8 +19,8 @@ import java.util.concurrent.CompletableFuture;
 {{/asyncNative}}
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 
 {{/useBeanValidation}}
 /**
diff --git a/sdks/java-v1/templates/libraries/native/build.gradle.mustache b/sdks/java-v1/templates/libraries/native/build.gradle.mustache
index 24ea4fef0..a04a9645e 100644
--- a/sdks/java-v1/templates/libraries/native/build.gradle.mustache
+++ b/sdks/java-v1/templates/libraries/native/build.gradle.mustache
@@ -50,12 +50,12 @@ task execute(type:JavaExec) {
 }
 
 task sourcesJar(type: Jar, dependsOn: classes) {
-    classifier = 'sources'
+    archiveClassifier = 'sources'
     from sourceSets.main.allSource
 }
 
 task javadocJar(type: Jar, dependsOn: javadoc) {
-    classifier = 'javadoc'
+    archiveClassifier = 'javadoc'
     from javadoc.destinationDir
 }
 
@@ -73,11 +73,21 @@ ext {
     swagger_annotations_version = "2.2.9"
     {{/swagger2AnnotationLibrary}}
     jackson_version = "2.17.1"
+    {{#useJakartaEe}}
+    jakarta_annotation_version = "2.1.1"
+    beanvalidation_version = "3.0.2"
+    {{/useJakartaEe}}
+    {{^useJakartaEe}}
     jakarta_annotation_version = "1.3.5"
+    beanvalidation_version = "2.0.2"
+    {{/useJakartaEe}}
     junit_version = "5.10.2"
     {{#hasFormParamsInSpec}}
     httpmime_version = "4.5.13"
     {{/hasFormParamsInSpec}}
+    {{#useReflectionEqualsHashCode}}
+    commons_lang3_version = "3.17.0"
+    {{/useReflectionEqualsHashCode}}
 }
 
 dependencies {
@@ -94,9 +104,15 @@ dependencies {
     implementation "com.fasterxml.jackson.datatype:jackson-datatype-jsr310:$jackson_version"
     implementation "org.openapitools:jackson-databind-nullable:0.2.1"
     implementation "jakarta.annotation:jakarta.annotation-api:$jakarta_annotation_version"
+    {{#useBeanValidation}}
+    implementation "jakarta.validation:jakarta.validation-api:$beanvalidation_version"
+    {{/useBeanValidation}}
     {{#hasFormParamsInSpec}}
     implementation "org.apache.httpcomponents:httpmime:$httpmime_version"
     {{/hasFormParamsInSpec}}
+    {{#useReflectionEqualsHashCode}}
+    implementation "org.apache.commons:commons-lang3:$commons_lang3_version"
+    {{/useReflectionEqualsHashCode}}
     testImplementation "org.junit.jupiter:junit-jupiter-api:$junit_version"
 }
 
diff --git a/sdks/java-v1/templates/libraries/native/model.mustache b/sdks/java-v1/templates/libraries/native/model.mustache
index cd2a85a22..b3beca8d3 100644
--- a/sdks/java-v1/templates/libraries/native/model.mustache
+++ b/sdks/java-v1/templates/libraries/native/model.mustache
@@ -47,8 +47,8 @@ import android.os.Parcelable;
 import android.os.Parcel;
 {{/parcelableModel}}
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 {{/useBeanValidation}}
 {{#performBeanValidation}}
 import org.hibernate.validator.constraints.*;
diff --git a/sdks/java-v1/templates/libraries/native/oneof_model.mustache b/sdks/java-v1/templates/libraries/native/oneof_model.mustache
index 8aa2ef073..cbb4a6d63 100644
--- a/sdks/java-v1/templates/libraries/native/oneof_model.mustache
+++ b/sdks/java-v1/templates/libraries/native/oneof_model.mustache
@@ -18,6 +18,7 @@ import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
 import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
 import com.fasterxml.jackson.databind.ser.std.StdSerializer;
+import {{invokerPackage}}.ApiClient;
 import {{invokerPackage}}.JSON;
 
 {{>additionalModelTypeAnnotations}}{{>generatedAnnotation}}{{>xmlAnnotation}}
@@ -274,7 +275,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
           for ({{{items.dataType}}} _item : ({{{dataType}}})getActualInstance()) {
             joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
                 "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
-                URLEncoder.encode(String.valueOf(_item), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+                ApiClient.urlEncode(String.valueOf(_item))));
           }
           i++;
         }
@@ -284,7 +285,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
           for (int i = 0; i < (({{{dataType}}})getActualInstance()).size(); i++) {
             joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
                 "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
-                URLEncoder.encode(String.valueOf(getActualInstance().get(i)), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+                ApiClient.urlEncode(String.valueOf(getActualInstance().get(i)))));
           }
         }
         {{/uniqueItems}}
@@ -322,7 +323,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
             if (_item != null) {
               joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
                   "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
-                  URLEncoder.encode(String.valueOf(_item), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+                  ApiClient.urlEncode(String.valueOf(_item))));
             }
             i++;
           }
@@ -334,7 +335,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
             if (getActualInstance().get(i) != null) {
               joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
                   "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
-                  URLEncoder.encode(String.valueOf((({{{dataType}}})getActualInstance()).get(i)), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+                  ApiClient.urlEncode(String.valueOf((({{{dataType}}})getActualInstance()).get(i)))));
             }
           }
         }
@@ -349,7 +350,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
           for (String _key : (({{{dataType}}})getActualInstance()).keySet()) {
             joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
                 "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix),
-                getActualInstance().get(_key), URLEncoder.encode(String.valueOf((({{{dataType}}})getActualInstance()).get(_key)), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+                getActualInstance().get(_key), ApiClient.urlEncode(String.valueOf((({{{dataType}}})getActualInstance()).get(_key)))));
           }
         }
         {{/items.isPrimitiveType}}
@@ -367,7 +368,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
         {{^isMap}}
         {{#isPrimitiveType}}
         if (getActualInstance() != null) {
-          joiner.add(String.format("%s{{{baseName}}}%s=%s", prefix, suffix, URLEncoder.encode(String.valueOf(getActualInstance()), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+          joiner.add(String.format("%s{{{baseName}}}%s=%s", prefix, suffix, ApiClient.urlEncode(String.valueOf(getActualInstance()))));
         }
         {{/isPrimitiveType}}
         {{^isPrimitiveType}}
@@ -378,7 +379,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
         {{/isModel}}
         {{^isModel}}
         if (getActualInstance() != null) {
-          joiner.add(String.format("%s{{{baseName}}}%s=%s", prefix, suffix, URLEncoder.encode(String.valueOf(getActualInstance()), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+          joiner.add(String.format("%s{{{baseName}}}%s=%s", prefix, suffix, ApiClient.urlEncode(String.valueOf(getActualInstance()))));
         }
         {{/isModel}}
         {{/isPrimitiveType}}
diff --git a/sdks/java-v1/templates/libraries/native/pojo.mustache b/sdks/java-v1/templates/libraries/native/pojo.mustache
index 1250a71ec..5413d1cdc 100644
--- a/sdks/java-v1/templates/libraries/native/pojo.mustache
+++ b/sdks/java-v1/templates/libraries/native/pojo.mustache
@@ -75,6 +75,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   {{/isContainer}}
   {{/vendorExtensions.x-is-jackson-optional-nullable}}
   {{^vendorExtensions.x-is-jackson-optional-nullable}}
+  {{>nullable_var_annotations}}
   private {{{datatypeWithEnum}}} {{name}}{{#defaultValue}} = {{{.}}}{{/defaultValue}};
   {{/vendorExtensions.x-is-jackson-optional-nullable}}
 
@@ -104,7 +105,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   ));
 
   {{/vendorExtensions.x-enum-as-string}}
-  public {{classname}} {{name}}({{{datatypeWithEnum}}} {{name}}) {
+  public {{classname}} {{name}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
     {{#vendorExtensions.x-enum-as-string}}
     if (!{{{nameInSnakeCase}}}_VALUES.contains({{name}})) {
       throw new IllegalArgumentException({{name}} + " is invalid. Possible values for {{name}}: " + String.join(", ", {{{nameInSnakeCase}}}_VALUES));
@@ -188,17 +189,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
 {{#deprecated}}
   @Deprecated
 {{/deprecated}}
-{{#required}}
-{{#isNullable}}
-  @{{javaxPackage}}.annotation.Nullable
-{{/isNullable}}
-{{^isNullable}}
-  @{{javaxPackage}}.annotation.Nonnull
-{{/isNullable}}
-{{/required}}
-{{^required}}
-  @{{javaxPackage}}.annotation.Nullable
-{{/required}}
+  {{>nullable_var_annotations}}
 {{#useBeanValidation}}
 {{>beanValidation}}
 {{/useBeanValidation}}
@@ -244,7 +235,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
 
   {{^isReadOnly}}
 {{#vendorExtensions.x-setter-extra-annotation}}  {{{vendorExtensions.x-setter-extra-annotation}}}
-{{/vendorExtensions.x-setter-extra-annotation}}{{#jackson}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{> jackson_annotations}}{{/vendorExtensions.x-is-jackson-optional-nullable}}{{/jackson}}  public void {{setter}}({{{datatypeWithEnum}}} {{name}}) {
+{{/vendorExtensions.x-setter-extra-annotation}}{{#jackson}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{> jackson_annotations}}{{/vendorExtensions.x-is-jackson-optional-nullable}}{{/jackson}}  public void {{setter}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
     {{#vendorExtensions.x-enum-as-string}}
     if (!{{{nameInSnakeCase}}}_VALUES.contains({{name}})) {
       throw new IllegalArgumentException({{name}} + " is invalid. Possible values for {{name}}: " + String.join(", ", {{{nameInSnakeCase}}}_VALUES));
@@ -266,7 +257,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   {{#allVars}}
   {{#isOverridden}}
   @Override
-  public {{classname}} {{name}}({{{datatypeWithEnum}}} {{name}}) {
+  public {{classname}} {{name}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
     {{#vendorExtensions.x-is-jackson-optional-nullable}}
     this.{{setter}}(JsonNullable.<{{{datatypeWithEnum}}}>of({{name}}));
     {{/vendorExtensions.x-is-jackson-optional-nullable}}
@@ -395,7 +386,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
       for ({{{items.dataType}}} _item : {{getter}}()) {
         joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
             "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
-            URLEncoder.encode(ApiClient.valueToString(_item), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+            ApiClient.urlEncode(ApiClient.valueToString(_item))));
       }
       i++;
     }
@@ -405,7 +396,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
       for (int i = 0; i < {{getter}}().size(); i++) {
         joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
             "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
-            URLEncoder.encode(ApiClient.valueToString({{getter}}().get(i)), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+            ApiClient.urlEncode(ApiClient.valueToString({{getter}}().get(i)))));
       }
     }
     {{/uniqueItems}}
@@ -443,7 +434,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
         if (_item != null) {
           joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
               "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
-              URLEncoder.encode(ApiClient.valueToString(_item), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+              ApiClient.urlEncode(ApiClient.valueToString(_item))));
         }
         i++;
       }
@@ -455,7 +446,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
         if ({{getter}}().get(i) != null) {
           joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
               "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
-              URLEncoder.encode(ApiClient.valueToString({{getter}}().get(i)), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+              ApiClient.urlEncode(ApiClient.valueToString({{getter}}().get(i)))));
         }
       }
     }
@@ -470,7 +461,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
       for (String _key : {{getter}}().keySet()) {
         joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
             "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix),
-            {{getter}}().get(_key), URLEncoder.encode(ApiClient.valueToString({{getter}}().get(_key)), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+            {{getter}}().get(_key), ApiClient.urlEncode(ApiClient.valueToString({{getter}}().get(_key)))));
       }
     }
     {{/items.isModel}}
@@ -488,7 +479,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
     {{^isMap}}
     {{#isPrimitiveType}}
     if ({{getter}}() != null) {
-      joiner.add(String.format("%s{{{baseName}}}%s=%s", prefix, suffix, URLEncoder.encode(ApiClient.valueToString({{{getter}}}()), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+      joiner.add(String.format("%s{{{baseName}}}%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString({{{getter}}}()))));
     }
     {{/isPrimitiveType}}
     {{^isPrimitiveType}}
@@ -499,7 +490,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
     {{/isModel}}
     {{^isModel}}
     if ({{getter}}() != null) {
-      joiner.add(String.format("%s{{{baseName}}}%s=%s", prefix, suffix, URLEncoder.encode(ApiClient.valueToString({{{getter}}}()), StandardCharsets.UTF_8).replaceAll("\\+", "%20")));
+      joiner.add(String.format("%s{{{baseName}}}%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString({{{getter}}}()))));
     }
     {{/isModel}}
     {{/isPrimitiveType}}
diff --git a/sdks/java-v1/templates/libraries/native/pom.mustache b/sdks/java-v1/templates/libraries/native/pom.mustache
index 8ed827791..0ccfa8418 100644
--- a/sdks/java-v1/templates/libraries/native/pom.mustache
+++ b/sdks/java-v1/templates/libraries/native/pom.mustache
@@ -271,6 +271,14 @@
             <version>${httpmime-version}</version>
         </dependency>
         {{/hasFormParamsInSpec}}
+        {{#useReflectionEqualsHashCode}}
+        <!-- For equals and hashCode using reflection -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3-version}</version>
+        </dependency>
+        {{/useReflectionEqualsHashCode}}
 
         <!-- test dependencies -->
         <dependency>
@@ -295,16 +303,18 @@
         <jackson-databind-nullable-version>0.2.6</jackson-databind-nullable-version>
         {{#useJakartaEe}}
         <jakarta-annotation-version>2.1.1</jakarta-annotation-version>
+        <beanvalidation-version>3.0.2</beanvalidation-version>
         {{/useJakartaEe}}
         {{^useJakartaEe}}
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
+        <beanvalidation-version>2.0.2</beanvalidation-version>
         {{/useJakartaEe}}
-        {{#useBeanValidation}}
-        <beanvalidation-version>3.0.2</beanvalidation-version>
-        {{/useBeanValidation}}
         {{#hasFormParamsInSpec}}
         <httpmime-version>4.5.14</httpmime-version>
         {{/hasFormParamsInSpec}}
+        {{#useReflectionEqualsHashCode}}
+        <commons-lang3-version>3.17.0</commons-lang3-version>
+        {{/useReflectionEqualsHashCode}}
         <junit-version>5.10.2</junit-version>
         <spotless.version>2.27.2</spotless.version>
     </properties>
diff --git a/sdks/java-v1/templates/libraries/okhttp-gson/ApiClient.mustache b/sdks/java-v1/templates/libraries/okhttp-gson/ApiClient.mustache
index c5e7ae225..519b37ed2 100644
--- a/sdks/java-v1/templates/libraries/okhttp-gson/ApiClient.mustache
+++ b/sdks/java-v1/templates/libraries/okhttp-gson/ApiClient.mustache
@@ -47,9 +47,11 @@ import java.security.cert.CertificateException;
 import java.security.cert.CertificateFactory;
 import java.security.cert.X509Certificate;
 import java.text.DateFormat;
+{{#jsr310}}
 import java.time.LocalDate;
 import java.time.OffsetDateTime;
 import java.time.format.DateTimeFormatter;
+{{/jsr310}}
 import java.util.*;
 import java.util.Map.Entry;
 import java.util.concurrent.TimeUnit;
@@ -987,7 +989,7 @@ public class ApiClient {
     }
     {{/dynamicOperations}}
 
-    /**
+   /**
     * Formats the specified free-form query parameters to a list of {@code Pair} objects.
     *
     * @param value The free-form query parameters.
@@ -1001,6 +1003,7 @@ public class ApiClient {
             return params;
         }
 
+        @SuppressWarnings("unchecked")
         final Map<String, Object> valuesMap = (Map<String, Object>) value;
 
         for (Map.Entry<String, Object> entry : valuesMap.entrySet()) {
diff --git a/sdks/java-v1/templates/libraries/okhttp-gson/JSON.mustache b/sdks/java-v1/templates/libraries/okhttp-gson/JSON.mustache
index 6cf7ec789..eee7773c4 100644
--- a/sdks/java-v1/templates/libraries/okhttp-gson/JSON.mustache
+++ b/sdks/java-v1/templates/libraries/okhttp-gson/JSON.mustache
@@ -28,9 +28,11 @@ import java.lang.reflect.Type;
 import java.text.DateFormat;
 import java.text.ParseException;
 import java.text.ParsePosition;
+{{#jsr310}}
 import java.time.LocalDate;
 import java.time.OffsetDateTime;
 import java.time.format.DateTimeFormatter;
+{{/jsr310}}
 import java.util.Date;
 import java.util.Locale;
 import java.util.Map;
diff --git a/sdks/java-v1/templates/libraries/okhttp-gson/README.mustache b/sdks/java-v1/templates/libraries/okhttp-gson/README.mustache
index 8dbdf2451..de3afa6c1 100644
--- a/sdks/java-v1/templates/libraries/okhttp-gson/README.mustache
+++ b/sdks/java-v1/templates/libraries/okhttp-gson/README.mustache
@@ -90,7 +90,7 @@ import {{{invokerPackage}}}.ApiClient;
 import {{{invokerPackage}}}.ApiException;
 import {{{invokerPackage}}}.Configuration;{{#hasAuthMethods}}
 import {{{invokerPackage}}}.auth.*;{{/hasAuthMethods}}
-import {{{invokerPackage}}}.models.*;
+import {{{modelPackage}}}.*;
 import {{{package}}}.{{{classname}}};
 
 public class Example {
diff --git a/sdks/java-v1/templates/libraries/okhttp-gson/anyof_model.mustache b/sdks/java-v1/templates/libraries/okhttp-gson/anyof_model.mustache
index 18447fc12..564c1bb36 100644
--- a/sdks/java-v1/templates/libraries/okhttp-gson/anyof_model.mustache
+++ b/sdks/java-v1/templates/libraries/okhttp-gson/anyof_model.mustache
@@ -283,7 +283,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
 
     {{#composedSchemas}}
     {{#anyOf}}
-    {{^vendorExtensions.x-duplicated-data-type}}
+    {{^vendorExtensions.x-duplicated-data-type-ignoring-erasure}}
     /**
      * Get the actual instance of `{{{dataType}}}`. If the actual instance is not `{{{dataType}}}`,
      * the ClassCastException will be thrown.
@@ -291,13 +291,13 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
      * @return The actual instance of `{{{dataType}}}`
      * @throws ClassCastException if the instance is not `{{{dataType}}}`
      */
-    public {{{dataType}}} get{{#isArray}}{{#sanitizeGeneric}}{{{dataType}}}{{/sanitizeGeneric}}{{/isArray}}{{^isArray}}{{{dataType}}}{{/isArray}}() throws ClassCastException {
+    public {{{dataType}}} get{{#sanitizeGeneric}}{{{dataType}}}{{/sanitizeGeneric}}() throws ClassCastException {
         return ({{{dataType}}})super.getActualInstance();
     }
-    {{/vendorExtensions.x-duplicated-data-type}}
+
+    {{/vendorExtensions.x-duplicated-data-type-ignoring-erasure}}
     {{/anyOf}}
     {{/composedSchemas}}
-
     /**
      * Validates the JSON Element and throws an exception if issues found
      *
diff --git a/sdks/java-v1/templates/libraries/okhttp-gson/api.mustache b/sdks/java-v1/templates/libraries/okhttp-gson/api.mustache
index 96757ed64..2dd79633e 100644
--- a/sdks/java-v1/templates/libraries/okhttp-gson/api.mustache
+++ b/sdks/java-v1/templates/libraries/okhttp-gson/api.mustache
@@ -26,14 +26,14 @@ import io.swagger.v3.oas.models.parameters.Parameter;
 import java.io.IOException;
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 {{/useBeanValidation}}
 {{#performBeanValidation}}
-import jakarta.validation.ConstraintViolation;
-import jakarta.validation.Validation;
-import jakarta.validation.ValidatorFactory;
-import jakarta.validation.executable.ExecutableValidator;
+import {{javaxPackage}}.validation.ConstraintViolation;
+import {{javaxPackage}}.validation.Validation;
+import {{javaxPackage}}.validation.ValidatorFactory;
+import {{javaxPackage}}.validation.executable.ExecutableValidator;
 import java.util.Set;
 import java.lang.reflect.Method;
 import java.lang.reflect.Type;
@@ -98,7 +98,8 @@ public class {{classname}} {
      * @throws ApiException If fail to serialize the request body object
      {{#responses.0}}
      * @http.response.details
-     <table summary="Response Details" border="1">
+     <table border="1">
+       <caption>Response Details</caption>
         <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
         {{#responses}}
         <tr><td> {{code}} </td><td> {{message}} </td><td> {{#headers}} * {{baseName}} - {{description}} <br> {{/headers}}{{^headers.0}} - {{/headers.0}} </td></tr>
@@ -180,12 +181,6 @@ public class {{classname}} {
 
         {{/isQueryParam}}
         {{/constantParams}}
-        {{#headerParams}}
-        if ({{paramName}} != null) {
-            localVarHeaderParams.put("{{baseName}}", localVarApiClient.parameterToString({{paramName}}));
-        }
-
-        {{/headerParams}}
         {{#constantParams}}
         {{#isHeaderParam}}
         // Set client side default value of Header Param "{{baseName}}".
@@ -230,6 +225,15 @@ public class {{classname}} {
         if (localVarContentType != null) {
             localVarHeaderParams.put("Content-Type", localVarContentType);
         }
+        {{^dynamicOperations}}
+        {{#headerParams}}
+
+        if ({{paramName}} != null) {
+            localVarHeaderParams.put("{{baseName}}", localVarApiClient.parameterToString({{paramName}}));
+        }
+
+        {{/headerParams}}
+        {{/dynamicOperations}}
 
         String[] localVarAuthNames = new String[] { {{#withAWSV4Signature}}"AWS4Auth"{{/withAWSV4Signature}}{{#authMethods}}{{#-first}}{{#withAWSV4Signature}}, {{/withAWSV4Signature}}{{/-first}}"{{name}}"{{^-last}}, {{/-last}}{{/authMethods}} };
         return localVarApiClient.buildCall(basePath, localVarPath, {{^dynamicOperations}}"{{httpMethod}}"{{/dynamicOperations}}{{#dynamicOperations}}apiOperation.getMethod(){{/dynamicOperations}}, localVarQueryParams, localVarCollectionQueryParams, localVarPostBody, localVarHeaderParams, localVarCookieParams, localVarFormParams, localVarAuthNames, _callback);
@@ -287,7 +291,8 @@ public class {{classname}} {
      * @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body
      {{#responses.0}}
      * @http.response.details
-     <table summary="Response Details" border="1">
+     <table border="1">
+       <caption>Response Details</caption>
         <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
         {{#responses}}
         <tr><td> {{code}} </td><td> {{message}} </td><td> {{#headers}} * {{baseName}} - {{description}} <br> {{/headers}}{{^headers.0}} - {{/headers.0}} </td></tr>
@@ -327,7 +332,8 @@ public class {{classname}} {
      * @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body
      {{#responses.0}}
      * @http.response.details
-     <table summary="Response Details" border="1">
+     <table border="1">
+       <caption>Response Details</caption>
         <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
         {{#responses}}
         <tr><td> {{code}} </td><td> {{message}} </td><td> {{#headers}} * {{baseName}} - {{description}} <br> {{/headers}}{{^headers.0}} - {{/headers.0}} </td></tr>
@@ -395,7 +401,8 @@ public class {{classname}} {
      * @throws ApiException If fail to process the API call, e.g. serializing the request body object
      {{#responses.0}}
      * @http.response.details
-     <table summary="Response Details" border="1">
+     <table border="1">
+       <caption>Response Details</caption>
         <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
         {{#responses}}
         <tr><td> {{code}} </td><td> {{message}} </td><td> {{#headers}} * {{baseName}} - {{description}} <br> {{/headers}}{{^headers.0}} - {{/headers.0}} </td></tr>
@@ -455,7 +462,8 @@ public class {{classname}} {
          * @throws ApiException If fail to serialize the request body object
          {{#responses.0}}
          * @http.response.details
-         <table summary="Response Details" border="1">
+         <table border="1">
+       <caption>Response Details</caption>
             <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
             {{#responses}}
             <tr><td> {{code}} </td><td> {{message}} </td><td> {{#headers}} * {{baseName}} - {{description}} <br> {{/headers}}{{^headers.0}} - {{/headers.0}} </td></tr>
@@ -479,7 +487,8 @@ public class {{classname}} {
          * @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body
          {{#responses.0}}
          * @http.response.details
-         <table summary="Response Details" border="1">
+         <table border="1">
+       <caption>Response Details</caption>
             <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
             {{#responses}}
             <tr><td> {{code}} </td><td> {{message}} </td><td> {{#headers}} * {{baseName}} - {{description}} <br> {{/headers}}{{^headers.0}} - {{/headers.0}} </td></tr>
@@ -511,7 +520,8 @@ public class {{classname}} {
          * @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body
          {{#responses.0}}
          * @http.response.details
-         <table summary="Response Details" border="1">
+         <table border="1">
+       <caption>Response Details</caption>
             <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
             {{#responses}}
             <tr><td> {{code}} </td><td> {{message}} </td><td> {{#headers}} * {{baseName}} - {{description}} <br> {{/headers}}{{^headers.0}} - {{/headers.0}} </td></tr>
@@ -543,7 +553,8 @@ public class {{classname}} {
          * @throws ApiException If fail to process the API call, e.g. serializing the request body object
          {{#responses.0}}
          * @http.response.details
-         <table summary="Response Details" border="1">
+         <table border="1">
+       <caption>Response Details</caption>
             <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
             {{#responses}}
             <tr><td> {{code}} </td><td> {{message}} </td><td> {{#headers}} * {{baseName}} - {{description}} <br> {{/headers}}{{^headers.0}} - {{/headers.0}} </td></tr>
@@ -569,7 +580,8 @@ public class {{classname}} {
      * @return API{{operationId}}Request
      {{#responses.0}}
      * @http.response.details
-     <table summary="Response Details" border="1">
+     <table border="1">
+       <caption>Response Details</caption>
         <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
         {{#responses}}
         <tr><td> {{code}} </td><td> {{message}} </td><td> {{#headers}} * {{baseName}} - {{description}} <br> {{/headers}}{{^headers.0}} - {{/headers.0}} </td></tr>
diff --git a/sdks/java-v1/templates/libraries/okhttp-gson/api_test.mustache b/sdks/java-v1/templates/libraries/okhttp-gson/api_test.mustache
index 29f682678..b56bdf4db 100644
--- a/sdks/java-v1/templates/libraries/okhttp-gson/api_test.mustache
+++ b/sdks/java-v1/templates/libraries/okhttp-gson/api_test.mustache
@@ -17,8 +17,8 @@ import java.io.InputStream;
 {{/supportStreaming}}
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 
 {{/useBeanValidation}}
 /**
diff --git a/sdks/java-v1/templates/libraries/okhttp-gson/build.gradle.mustache b/sdks/java-v1/templates/libraries/okhttp-gson/build.gradle.mustache
index eb67fc112..1b527257a 100644
--- a/sdks/java-v1/templates/libraries/okhttp-gson/build.gradle.mustache
+++ b/sdks/java-v1/templates/libraries/okhttp-gson/build.gradle.mustache
@@ -126,7 +126,7 @@ dependencies {
     {{#hasOAuthMethods}}
     implementation group: 'org.apache.oltu.oauth2', name: 'org.apache.oltu.oauth2.client', version: '1.0.2'
     {{/hasOAuthMethods}}
-    implementation group: 'org.apache.commons', name: 'commons-lang3', version: '3.12.0'
+    implementation group: 'org.apache.commons', name: 'commons-lang3', version: '3.17.0'
     {{#joda}}
     implementation 'joda-time:joda-time:2.9.9'
     {{/joda}}
diff --git a/sdks/java-v1/templates/libraries/okhttp-gson/build.sbt.mustache b/sdks/java-v1/templates/libraries/okhttp-gson/build.sbt.mustache
index 2045b8474..54bd804c4 100644
--- a/sdks/java-v1/templates/libraries/okhttp-gson/build.sbt.mustache
+++ b/sdks/java-v1/templates/libraries/okhttp-gson/build.sbt.mustache
@@ -13,7 +13,7 @@ lazy val root = (project in file(".")).
       "com.squareup.okhttp3" % "okhttp" % "4.12.0",
       "com.squareup.okhttp3" % "logging-interceptor" % "4.12.0",
       "com.google.code.gson" % "gson" % "2.9.1",
-      "org.apache.commons" % "commons-lang3" % "3.12.0",
+      "org.apache.commons" % "commons-lang3" % "3.17.0",
       "jakarta.ws.rs" % "jakarta.ws.rs-api" % "2.1.6",
       {{#openApiNullable}}
       "org.openapitools" % "jackson-databind-nullable" % "0.2.6",
diff --git a/sdks/java-v1/templates/libraries/okhttp-gson/model.mustache b/sdks/java-v1/templates/libraries/okhttp-gson/model.mustache
index c82b0fbe2..3a1cca8d7 100644
--- a/sdks/java-v1/templates/libraries/okhttp-gson/model.mustache
+++ b/sdks/java-v1/templates/libraries/okhttp-gson/model.mustache
@@ -21,8 +21,8 @@ import android.os.Parcelable;
 import android.os.Parcel;
 {{/parcelableModel}}
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 {{/useBeanValidation}}
 {{#performBeanValidation}}
 import org.hibernate.validator.constraints.*;
diff --git a/sdks/java-v1/templates/libraries/okhttp-gson/oneof_model.mustache b/sdks/java-v1/templates/libraries/okhttp-gson/oneof_model.mustache
index 31c63263e..731b36d57 100644
--- a/sdks/java-v1/templates/libraries/okhttp-gson/oneof_model.mustache
+++ b/sdks/java-v1/templates/libraries/okhttp-gson/oneof_model.mustache
@@ -361,7 +361,7 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
 
     {{#composedSchemas}}
     {{#oneOf}}
-    {{^vendorExtensions.x-duplicated-data-type}}
+    {{^vendorExtensions.x-duplicated-data-type-ignoring-erasure}}
     /**
      * Get the actual instance of `{{{dataType}}}`. If the actual instance is not `{{{dataType}}}`,
      * the ClassCastException will be thrown.
@@ -372,10 +372,10 @@ public class {{classname}} extends AbstractOpenApiSchema{{#vendorExtensions.x-im
     public {{{dataType}}} get{{#sanitizeGeneric}}{{{dataType}}}{{/sanitizeGeneric}}() throws ClassCastException {
         return ({{{dataType}}})super.getActualInstance();
     }
-    {{/vendorExtensions.x-duplicated-data-type}}
+
+    {{/vendorExtensions.x-duplicated-data-type-ignoring-erasure}}
     {{/oneOf}}
     {{/composedSchemas}}
-
     /**
      * Validates the JSON Element and throws an exception if issues found
      *
diff --git a/sdks/java-v1/templates/libraries/okhttp-gson/pojo.mustache b/sdks/java-v1/templates/libraries/okhttp-gson/pojo.mustache
index 0a32ef099..3d76d23b0 100644
--- a/sdks/java-v1/templates/libraries/okhttp-gson/pojo.mustache
+++ b/sdks/java-v1/templates/libraries/okhttp-gson/pojo.mustache
@@ -70,6 +70,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   {{#vendorExtensions.x-field-extra-annotation}}
   {{{vendorExtensions.x-field-extra-annotation}}}
   {{/vendorExtensions.x-field-extra-annotation}}
+  {{>nullable_var_annotations}}
   {{#isDiscriminator}}protected{{/isDiscriminator}}{{^isDiscriminator}}private{{/isDiscriminator}} {{{datatypeWithEnum}}} {{name}}{{#defaultValue}} = {{{.}}}{{/defaultValue}};
 
   {{/vars}}
@@ -80,6 +81,11 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
     {{/parcelableModel}}
     {{/parent}}
     {{#discriminator}}
+    {{#discriminator.isEnum}}
+{{#readWriteVars}}{{#isDiscriminator}}{{#defaultValue}}
+    this.{{name}} = {{defaultValue}};
+{{/defaultValue}}{{/isDiscriminator}}{{/readWriteVars}}
+    {{/discriminator.isEnum}}
     {{^discriminator.isEnum}}
     this.{{{discriminatorName}}} = this.getClass().getSimpleName();
     {{/discriminator.isEnum}}
@@ -106,7 +112,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   {{#deprecated}}
   @Deprecated
   {{/deprecated}}
-  public {{classname}} {{name}}({{{datatypeWithEnum}}} {{name}}) {
+  public {{classname}} {{name}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
     this.{{name}} = {{name}};
     return this;
   }
@@ -153,17 +159,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
 {{#deprecated}}
   @Deprecated
 {{/deprecated}}
-{{#required}}
-{{#isNullable}}
-  @{{javaxPackage}}.annotation.Nullable
-{{/isNullable}}
-{{^isNullable}}
-  @{{javaxPackage}}.annotation.Nonnull
-{{/isNullable}}
-{{/required}}
-{{^required}}
-  @{{javaxPackage}}.annotation.Nullable
-{{/required}}
+  {{>nullable_var_annotations}}
 {{#useBeanValidation}}
 {{>beanValidation}}
 {{/useBeanValidation}}
@@ -183,7 +179,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   {{^isReadOnly}}
 {{#vendorExtensions.x-setter-extra-annotation}}  {{{vendorExtensions.x-setter-extra-annotation}}}
 {{/vendorExtensions.x-setter-extra-annotation}}{{#deprecated}}  @Deprecated
-{{/deprecated}}  public void {{setter}}({{{datatypeWithEnum}}} {{name}}) {
+{{/deprecated}}  public void {{setter}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
     this.{{name}} = {{name}};
   }
   {{/isReadOnly}}
diff --git a/sdks/java-v1/templates/libraries/okhttp-gson/pom.mustache b/sdks/java-v1/templates/libraries/okhttp-gson/pom.mustache
index def53f2fc..5e7bd9b86 100644
--- a/sdks/java-v1/templates/libraries/okhttp-gson/pom.mustache
+++ b/sdks/java-v1/templates/libraries/okhttp-gson/pom.mustache
@@ -414,7 +414,7 @@
         {{/swagger2AnnotationLibrary}}
         <okhttp-version>4.12.0</okhttp-version>
         <gson-version>2.10.1</gson-version>
-        <commons-lang3-version>3.14.0</commons-lang3-version>
+        <commons-lang3-version>3.17.0</commons-lang3-version>
         {{#openApiNullable}}
         <jackson-databind-nullable-version>0.2.6</jackson-databind-nullable-version>
         {{/openApiNullable}}
@@ -423,16 +423,15 @@
         {{/joda}}
         {{#useJakartaEe}}
         <jakarta-annotation-version>2.1.1</jakarta-annotation-version>
+        <beanvalidation-version>3.0.2</beanvalidation-version>
         {{/useJakartaEe}}
         {{^useJakartaEe}}
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
+        <beanvalidation-version>2.0.2</beanvalidation-version>
         {{/useJakartaEe}}
         {{#performBeanValidation}}
         <jakarta.el-version>3.0.3</jakarta.el-version>
         {{/performBeanValidation}}
-        {{#useBeanValidation}}
-        <beanvalidation-version>3.0.2</beanvalidation-version>
-        {{/useBeanValidation}}
         <junit-version>5.10.3</junit-version>
         <junit-platform-runner.version>1.10.0</junit-platform-runner.version>
         <jakarta.ws.rs-api-version>2.1.6</jakarta.ws.rs-api-version>
diff --git a/sdks/java-v1/templates/libraries/rest-assured/JacksonObjectMapper.mustache b/sdks/java-v1/templates/libraries/rest-assured/JacksonObjectMapper.mustache
index 8919eda30..3d875d66b 100644
--- a/sdks/java-v1/templates/libraries/rest-assured/JacksonObjectMapper.mustache
+++ b/sdks/java-v1/templates/libraries/rest-assured/JacksonObjectMapper.mustache
@@ -27,7 +27,7 @@ public class JacksonObjectMapper extends Jackson2Mapper {
             ObjectMapper mapper = new ObjectMapper();
             mapper = new ObjectMapper();
             mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
-            mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+            mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, {{failOnUnknownProperties}});
             mapper.configure(DeserializationFeature.FAIL_ON_INVALID_SUBTYPE, false);
             mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
             mapper.enable(SerializationFeature.WRITE_ENUMS_USING_TO_STRING);
diff --git a/sdks/java-v1/templates/libraries/rest-assured/api.mustache b/sdks/java-v1/templates/libraries/rest-assured/api.mustache
index 5ae6e5057..1eae54272 100644
--- a/sdks/java-v1/templates/libraries/rest-assured/api.mustache
+++ b/sdks/java-v1/templates/libraries/rest-assured/api.mustache
@@ -33,8 +33,8 @@ import io.swagger.v3.oas.annotations.security.*;
 {{/swagger2AnnotationLibrary}}
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 {{/useBeanValidation}}
 
 import java.lang.reflect.Type;
@@ -146,7 +146,7 @@ public class {{classname}} {
     public static class {{operationIdCamelCase}}Oper implements Oper {
 
         public static final Method REQ_METHOD = {{httpMethod}};
-        public static final String REQ_URI = "{{path}}";
+        public static final String REQ_URI = "{{{path}}}";
 
         private RequestSpecBuilder reqSpec;
         private ResponseSpecBuilder respSpec;
@@ -155,15 +155,15 @@ public class {{classname}} {
             this.reqSpec = reqSpec;
             {{#vendorExtensions}}
             {{#x-content-type}}
-            reqSpec.setContentType("{{x-content-type}}");
+            reqSpec.setContentType("{{{x-content-type}}}");
             {{/x-content-type}}
-            reqSpec.setAccept("{{#x-accepts}}{{.}}{{^-last}},{{/-last}}{{/x-accepts}}");
+            reqSpec.setAccept("{{#x-accepts}}{{{.}}}{{^-last}},{{/-last}}{{/x-accepts}}");
             {{/vendorExtensions}}
             this.respSpec = new ResponseSpecBuilder();
         }
 
         /**
-         * {{httpMethod}} {{path}}
+         * {{httpMethod}} {{{path}}}
          * @param handler handler
          * @param <T> type
          * @return type
@@ -175,7 +175,7 @@ public class {{classname}} {
         {{#returnType}}
 
         /**
-         * {{httpMethod}} {{path}}
+         * {{httpMethod}} {{{path}}}
          * @param handler handler
          * @return {{returnType}}
          */
diff --git a/sdks/java-v1/templates/libraries/rest-assured/api_test.mustache b/sdks/java-v1/templates/libraries/rest-assured/api_test.mustache
index d7d9dae2b..adcbd8085 100644
--- a/sdks/java-v1/templates/libraries/rest-assured/api_test.mustache
+++ b/sdks/java-v1/templates/libraries/rest-assured/api_test.mustache
@@ -20,8 +20,8 @@ import java.util.List;
 import java.util.Map;
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 
 {{/useBeanValidation}}
 import static io.restassured.config.ObjectMapperConfig.objectMapperConfig;
diff --git a/sdks/java-v1/templates/libraries/rest-assured/pom.mustache b/sdks/java-v1/templates/libraries/rest-assured/pom.mustache
index 396dd69c2..1655d52c2 100644
--- a/sdks/java-v1/templates/libraries/rest-assured/pom.mustache
+++ b/sdks/java-v1/templates/libraries/rest-assured/pom.mustache
@@ -358,13 +358,12 @@
         {{/jackson}}
         {{#useJakartaEe}}
         <jakarta-annotation-version>2.1.1</jakarta-annotation-version>
+        <beanvalidation-version>3.0.2</beanvalidation-version>
         {{/useJakartaEe}}
         {{^useJakartaEe}}
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
+        <beanvalidation-version>2.0.2</beanvalidation-version>
         {{/useJakartaEe}}
-        {{#useBeanValidation}}
-        <beanvalidation-version>3.0.2</beanvalidation-version>
-        {{/useBeanValidation}}
         <okio-version>3.6.0</okio-version>
         <junit-version>5.10.3</junit-version>
     </properties>
diff --git a/sdks/java-v1/templates/libraries/restclient/ApiClient.mustache b/sdks/java-v1/templates/libraries/restclient/ApiClient.mustache
index 14b1af4af..e5a4bd8fc 100644
--- a/sdks/java-v1/templates/libraries/restclient/ApiClient.mustache
+++ b/sdks/java-v1/templates/libraries/restclient/ApiClient.mustache
@@ -44,6 +44,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.TimeZone;
+import java.util.function.Supplier;
 
 import {{javaxPackage}}.annotation.Nullable;
 
@@ -87,29 +88,26 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
 
 
     public ApiClient() {
-        this.dateFormat = createDefaultDateFormat();
-        this.objectMapper = createDefaultObjectMapper(this.dateFormat);
-        this.restClient = buildRestClient(this.objectMapper);
-        this.init();
+        this(null);
     }
 
     public ApiClient(RestClient restClient) {
-        this(Optional.ofNullable(restClient).orElseGet(ApiClient::buildRestClient), createDefaultDateFormat());
+        this(restClient, createDefaultDateFormat());
     }
 
     public ApiClient(ObjectMapper mapper, DateFormat format) {
-        this(buildRestClient(mapper.copy()), format);
+        this(null, mapper, format);
     }
 
     public ApiClient(RestClient restClient, ObjectMapper mapper, DateFormat format) {
-        this(Optional.ofNullable(restClient).orElseGet(() -> buildRestClient(mapper.copy())), format);
+        this.objectMapper = mapper.copy();
+        this.restClient = Optional.ofNullable(restClient).orElseGet(() -> buildRestClient(this.objectMapper));
+        this.dateFormat = format;
+        this.init();
     }
 
     private ApiClient(RestClient restClient, DateFormat format) {
-        this.restClient = restClient;
-        this.dateFormat = format;
-        this.objectMapper = createDefaultObjectMapper(format);
-        this.init();
+        this(restClient, createDefaultObjectMapper(format), format);
     }
 
     public static DateFormat createDefaultDateFormat() {
@@ -125,7 +123,7 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
         ObjectMapper mapper = new ObjectMapper();
         mapper.setDateFormat(dateFormat);
         mapper.registerModule(new JavaTimeModule());
-        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, {{failOnUnknownProperties}});
         {{#openApiNullable}}
         JsonNullableModule jnm = new JsonNullableModule();
         mapper.registerModule(jnm);
@@ -159,9 +157,9 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
 
         {{/withXml}}
         Consumer<List<HttpMessageConverter<?>>> messageConverters = converters -> {
-            converters.add(new MappingJackson2HttpMessageConverter(mapper));
+            converters.add(0, new MappingJackson2HttpMessageConverter(mapper));
             {{#withXml}}
-            converters.add(new MappingJackson2XmlHttpMessageConverter(xmlMapper));
+            converters.add(0, new MappingJackson2XmlHttpMessageConverter(xmlMapper));
             {{/withXml}}
         };
 
@@ -243,6 +241,21 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
         throw new RuntimeException("No Bearer authentication configured!");
     }
 
+    /**
+    * Helper method to set the supplier of access tokens for Bearer authentication.
+    *
+    * @param tokenSupplier the token supplier function
+    */
+    public void setBearerToken(Supplier<String> tokenSupplier) {
+        for (Authentication auth : authentications.values()) {
+            if (auth instanceof HttpBearerAuth) {
+                ((HttpBearerAuth) auth).setBearerToken(tokenSupplier);
+            return;
+            }
+        }
+        throw new RuntimeException("No Bearer authentication configured!");
+    }
+
     /**
      * Helper method to set username for the first HTTP basic authentication.
      * @param username the username
@@ -753,4 +766,4 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
 
         return collectionFormat.collectionToString(values);
     }
-}
\ No newline at end of file
+}
diff --git a/sdks/java-v1/templates/libraries/restclient/api.mustache b/sdks/java-v1/templates/libraries/restclient/api.mustache
index 1475fc0f4..b8a8d93e7 100644
--- a/sdks/java-v1/templates/libraries/restclient/api.mustache
+++ b/sdks/java-v1/templates/libraries/restclient/api.mustache
@@ -11,6 +11,11 @@ import java.util.Locale;
 import java.util.Map;
 import java.util.stream.Collectors;
 
+{{#useBeanValidation}}
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
+
+{{/useBeanValidation}}
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
@@ -47,6 +52,91 @@ public class {{classname}} {
     }
 
     {{#operation}}
+{{#singleRequestParameter}}
+{{#hasParams}}
+{{^hasSingleParam}}
+
+    {{^staticRequest}}
+    public record {{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}Request({{#allParams}}{{#isFile}}{{#useAbstractionForFiles}}{{#collectionFormat}}java.util.Collection<org.springframework.core.io.AbstractResource>{{/collectionFormat}}{{^collectionFormat}}org.springframework.core.io.AbstractResource{{/collectionFormat}}{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{dataType}}}{{/useAbstractionForFiles}}{{/isFile}}{{^isFile}}{{{dataType}}}{{/isFile}} {{paramName}}{{^-last}}, {{/-last}}{{/allParams}}){}
+    {{/staticRequest}}
+    {{#staticRequest}}
+    public static class {{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}Request {
+    {{#allParams}}
+        private {{#isFile}}{{#useAbstractionForFiles}}{{#collectionFormat}}java.util.Collection<org.springframework.core.io.AbstractResource>{{/collectionFormat}}{{^collectionFormat}}org.springframework.core.io.AbstractResource{{/collectionFormat}}{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{dataType}}}{{/useAbstractionForFiles}}{{/isFile}}{{^isFile}}{{{dataType}}}{{/isFile}} {{paramName}};
+    {{/allParams}}
+
+        public {{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}Request() {}
+
+        public {{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}Request({{#allParams}}{{#isFile}}{{#useAbstractionForFiles}}{{#collectionFormat}}java.util.Collection<org.springframework.core.io.AbstractResource>{{/collectionFormat}}{{^collectionFormat}}org.springframework.core.io.AbstractResource{{/collectionFormat}}{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{dataType}}}{{/useAbstractionForFiles}}{{/isFile}}{{^isFile}}{{{dataType}}}{{/isFile}} {{paramName}}{{^-last}}, {{/-last}}{{/allParams}}) {
+        {{#allParams}}
+            this.{{paramName}} = {{paramName}};
+        {{/allParams}}
+        }
+
+        {{#allParams}}
+        public {{#isFile}}{{#useAbstractionForFiles}}{{#collectionFormat}}java.util.Collection<org.springframework.core.io.AbstractResource>{{/collectionFormat}}{{^collectionFormat}}org.springframework.core.io.AbstractResource{{/collectionFormat}}{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{dataType}}}{{/useAbstractionForFiles}}{{/isFile}}{{^isFile}}{{{dataType}}}{{/isFile}} {{paramName}}() {
+            return this.{{paramName}};
+        }
+        public {{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}Request {{paramName}}({{#isFile}}{{#useAbstractionForFiles}}{{#collectionFormat}}java.util.Collection<org.springframework.core.io.AbstractResource>{{/collectionFormat}}{{^collectionFormat}}org.springframework.core.io.AbstractResource{{/collectionFormat}}{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{dataType}}}{{/useAbstractionForFiles}}{{/isFile}}{{^isFile}}{{{dataType}}}{{/isFile}} {{paramName}}) {
+            this.{{paramName}} = {{paramName}};
+            return this;
+        }
+
+        {{/allParams}}
+    }
+    {{/staticRequest}}
+
+    /**
+    * {{summary}}
+    * {{notes}}
+{{#responses}}     * <p><b>{{code}}</b>{{#message}} - {{.}}{{/message}}
+{{/responses}}     * @param requestParameters The {{operationId}} request parameters as object
+{{#returnType}}     * @return {{.}}
+{{/returnType}}     * @throws RestClientResponseException if an error occurs while attempting to invoke the API
+{{#externalDocs}}
+    * {{description}}
+    * @see <a href="{{url}}">{{summary}} Documentation</a>
+{{/externalDocs}}
+    */
+    public {{#returnType}}{{#isResponseFile}}{{#useAbstractionForFiles}}org.springframework.core.io.Resource{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{returnType}}}{{/useAbstractionForFiles}}{{/isResponseFile}}{{^isResponseFile}}{{{returnType}}}{{/isResponseFile}} {{/returnType}}{{^returnType}}void {{/returnType}}{{operationId}}({{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}Request requestParameters) throws RestClientResponseException {
+      {{#returnType}}return {{/returnType}}this.{{operationId}}({{#allParams}}requestParameters.{{paramName}}(){{^-last}}, {{/-last}}{{/allParams}});
+    }
+
+  /**
+  * {{summary}}
+  * {{notes}}
+{{#responses}}     * <p><b>{{code}}</b>{{#message}} - {{.}}{{/message}}
+{{/responses}}     * @param requestParameters The {{operationId}} request parameters as object
+{{#returnType}}     * @return ResponseEntity&lt;{{.}}&gt;
+{{/returnType}}     * @throws RestClientResponseException if an error occurs while attempting to invoke the API
+{{#externalDocs}}
+    * {{description}}
+    * @see <a href="{{url}}">{{summary}} Documentation</a>
+{{/externalDocs}}
+    */
+    public {{#returnType}}ResponseEntity<{{#isResponseFile}}{{#useAbstractionForFiles}}org.springframework.core.io.Resource{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{returnType}}}{{/useAbstractionForFiles}}{{/isResponseFile}}{{^isResponseFile}}{{{returnType}}}{{/isResponseFile}}>{{/returnType}}{{^returnType}}ResponseEntity<Void>{{/returnType}} {{operationId}}WithHttpInfo({{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}Request requestParameters) throws RestClientResponseException {
+      return this.{{operationId}}WithHttpInfo({{#allParams}}requestParameters.{{paramName}}(){{^-last}}, {{/-last}}{{/allParams}});
+    }
+
+  /**
+  * {{summary}}
+  * {{notes}}
+{{#responses}}     * <p><b>{{code}}</b>{{#message}} - {{.}}{{/message}}
+{{/responses}}     * @param requestParameters The {{operationId}} request parameters as object
+  * @return ResponseSpec
+  * @throws RestClientResponseException if an error occurs while attempting to invoke the API
+{{#externalDocs}}
+    * {{description}}
+    * @see <a href="{{url}}">{{summary}} Documentation</a>
+{{/externalDocs}}
+    */
+    public ResponseSpec {{operationId}}WithResponseSpec({{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}Request requestParameters) throws RestClientResponseException {
+      return this.{{operationId}}WithResponseSpec({{#allParams}}requestParameters.{{paramName}}(){{^-last}}, {{/-last}}{{/allParams}});
+    }
+
+{{/hasSingleParam}}
+{{/hasParams}}
+{{/singleRequestParameter}}
     /**
      * {{summary}}
      * {{notes}}
@@ -182,4 +272,4 @@ public class {{classname}} {
     }
     {{/operation}}
 }
-{{/operations}}
\ No newline at end of file
+{{/operations}}
diff --git a/sdks/java-v1/templates/libraries/restclient/api_test.mustache b/sdks/java-v1/templates/libraries/restclient/api_test.mustache
index dc3408341..e54a4ccc2 100644
--- a/sdks/java-v1/templates/libraries/restclient/api_test.mustache
+++ b/sdks/java-v1/templates/libraries/restclient/api_test.mustache
@@ -4,8 +4,8 @@ package {{package}};
 
 {{#imports}}import {{import}};
 {{/imports}}
-import org.junit.Test;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -13,10 +13,15 @@ import java.util.List;
 import java.util.Map;
 import java.util.stream.Collectors;
 
+{{#useBeanValidation}}
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
+
+{{/useBeanValidation}}
 /**
  * API tests for {{classname}}
  */
-@Ignore
+@Disabled
 public class {{classname}}Test {
 
     private final {{classname}} api = new {{classname}}();
diff --git a/sdks/java-v1/templates/libraries/restclient/auth/OAuth.mustache b/sdks/java-v1/templates/libraries/restclient/auth/OAuth.mustache
index 1e1e6247c..1b7ad33a3 100644
--- a/sdks/java-v1/templates/libraries/restclient/auth/OAuth.mustache
+++ b/sdks/java-v1/templates/libraries/restclient/auth/OAuth.mustache
@@ -2,25 +2,49 @@
 
 package {{invokerPackage}}.auth;
 
+import java.util.Optional;
+import java.util.function.Supplier;
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+/**
+ * Provides support for RFC 6750 - Bearer Token usage for OAUTH 2.0 Authorization.
+ */
 {{>generatedAnnotation}}
 public class OAuth implements Authentication {
-    private String accessToken;
+    private Supplier<String> tokenSupplier;
 
+    /**
+     * Returns the bearer token used for Authorization.
+     *
+     * @return The bearer token
+     */
     public String getAccessToken() {
-        return accessToken;
+        return tokenSupplier.get();
     }
 
+    /**
+     * Sets the bearer access token used for Authorization.
+     *
+     * @param accessToken The bearer token to send in the Authorization header
+     */
     public void setAccessToken(String accessToken) {
-        this.accessToken = accessToken;
+        setAccessToken(() -> accessToken);
+    }
+
+    /**
+     * Sets the supplier of bearer tokens used for Authorization.
+     *
+     * @param tokenSupplier The supplier of bearer tokens to send in the Authorization header
+     */
+    public void setAccessToken(Supplier<String> tokenSupplier) {
+        this.tokenSupplier = tokenSupplier;
     }
 
     @Override
     public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams) {
-        if (accessToken != null) {
-            headerParams.add(HttpHeaders.AUTHORIZATION, "Bearer " + accessToken);
-        }
+        Optional.ofNullable(tokenSupplier).map(Supplier::get).ifPresent(accessToken ->
+            headerParams.add(HttpHeaders.AUTHORIZATION, "Bearer " + accessToken)
+        );
     }
 }
diff --git a/sdks/java-v1/templates/libraries/restclient/pom.mustache b/sdks/java-v1/templates/libraries/restclient/pom.mustache
index d3f6ab650..f926d47b4 100644
--- a/sdks/java-v1/templates/libraries/restclient/pom.mustache
+++ b/sdks/java-v1/templates/libraries/restclient/pom.mustache
@@ -73,7 +73,7 @@
                     </systemPropertyVariables>
                     <argLine>-Xms512m -Xmx1500m</argLine>
                     <parallel>methods</parallel>
-                    <forkMode>pertest</forkMode>
+                    <reuseForks>false</reuseForks>
                     <useUnlimitedThreads>true</useUnlimitedThreads>
                 </configuration>
                 <dependencies>
@@ -337,12 +337,6 @@
             <version>${junit-version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.junit.platform</groupId>
-            <artifactId>junit-platform-runner</artifactId>
-            <version>${junit-platform-runner.version}</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -362,13 +356,10 @@
         {{#joda}}
         <jodatime-version>2.9.9</jodatime-version>
         {{/joda}}
-        {{#useBeanValidation}}
         <beanvalidation-version>3.0.2</beanvalidation-version>
-        {{/useBeanValidation}}
         {{#performBeanValidation}}
         <hibernate-validator-version>5.4.3.Final</hibernate-validator-version>
         {{/performBeanValidation}}
         <junit-version>5.10.2</junit-version>
-        <junit-platform-runner.version>1.10.0</junit-platform-runner.version>
     </properties>
 </project>
diff --git a/sdks/java-v1/templates/libraries/resteasy/JSON.mustache b/sdks/java-v1/templates/libraries/resteasy/JSON.mustache
index b57283048..e4097fc85 100644
--- a/sdks/java-v1/templates/libraries/resteasy/JSON.mustache
+++ b/sdks/java-v1/templates/libraries/resteasy/JSON.mustache
@@ -20,7 +20,7 @@ public class JSON implements ContextResolver<ObjectMapper> {
   public JSON() {
     mapper = new ObjectMapper();
     mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
-    mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+    mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, {{failOnUnknownProperties}});
     mapper.configure(DeserializationFeature.FAIL_ON_INVALID_SUBTYPE, false);
     mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
     mapper.enable(SerializationFeature.WRITE_ENUMS_USING_TO_STRING);
diff --git a/sdks/java-v1/templates/libraries/resttemplate/additional_properties.mustache b/sdks/java-v1/templates/libraries/resttemplate/additional_properties.mustache
new file mode 100644
index 000000000..8e7182792
--- /dev/null
+++ b/sdks/java-v1/templates/libraries/resttemplate/additional_properties.mustache
@@ -0,0 +1,45 @@
+{{#additionalPropertiesType}}
+  /**
+   * A container for additional, undeclared properties.
+   * This is a holder for any undeclared properties as specified with
+   * the 'additionalProperties' keyword in the OAS document.
+   */
+  private Map<String, {{{.}}}> additionalProperties;
+
+  /**
+   * Set the additional (undeclared) property with the specified name and value.
+   * If the property does not already exist, create it otherwise replace it.
+   * @param key the name of the property
+   * @param value the value of the property
+   * @return self reference
+   */
+  @JsonAnySetter
+  public {{classname}} putAdditionalProperty(String key, {{{.}}} value) {
+    if (this.additionalProperties == null) {
+        this.additionalProperties = new HashMap<String, {{{.}}}>();
+    }
+    this.additionalProperties.put(key, value);
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) properties.
+   * @return the additional (undeclared) properties
+   */
+  @JsonAnyGetter
+  public Map<String, {{{.}}}> getAdditionalProperties() {
+    return additionalProperties;
+  }
+
+  /**
+   * Return the additional (undeclared) property with the specified name.
+   * @param key the name of the property
+   * @return the additional (undeclared) property with the specified name
+   */
+  public {{{.}}} getAdditionalProperty(String key) {
+    if (this.additionalProperties == null) {
+        return null;
+    }
+    return this.additionalProperties.get(key);
+  }
+{{/additionalPropertiesType}}
diff --git a/sdks/java-v1/templates/libraries/resttemplate/api.mustache b/sdks/java-v1/templates/libraries/resttemplate/api.mustache
index aa1a98fd3..6cf513730 100644
--- a/sdks/java-v1/templates/libraries/resttemplate/api.mustache
+++ b/sdks/java-v1/templates/libraries/resttemplate/api.mustache
@@ -14,8 +14,8 @@ import java.util.Map;
 import java.util.stream.Collectors;
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 
 {{/useBeanValidation}}
 import org.springframework.beans.factory.annotation.Autowired;
diff --git a/sdks/java-v1/templates/libraries/resttemplate/api_test.mustache b/sdks/java-v1/templates/libraries/resttemplate/api_test.mustache
index 04a19f1f1..e1a213c02 100644
--- a/sdks/java-v1/templates/libraries/resttemplate/api_test.mustache
+++ b/sdks/java-v1/templates/libraries/resttemplate/api_test.mustache
@@ -16,8 +16,8 @@ import java.util.List;
 import java.util.Map;
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 
 {{/useBeanValidation}}
 /**
diff --git a/sdks/java-v1/templates/libraries/resttemplate/auth/OAuth.mustache b/sdks/java-v1/templates/libraries/resttemplate/auth/OAuth.mustache
index 1e8204285..1b7ad33a3 100644
--- a/sdks/java-v1/templates/libraries/resttemplate/auth/OAuth.mustache
+++ b/sdks/java-v1/templates/libraries/resttemplate/auth/OAuth.mustache
@@ -26,7 +26,7 @@ public class OAuth implements Authentication {
     /**
      * Sets the bearer access token used for Authorization.
      *
-     * @param bearerToken The bearer token to send in the Authorization header
+     * @param accessToken The bearer token to send in the Authorization header
      */
     public void setAccessToken(String accessToken) {
         setAccessToken(() -> accessToken);
diff --git a/sdks/java-v1/templates/libraries/resttemplate/build.gradle.mustache b/sdks/java-v1/templates/libraries/resttemplate/build.gradle.mustache
index a900fc806..edd170cd3 100644
--- a/sdks/java-v1/templates/libraries/resttemplate/build.gradle.mustache
+++ b/sdks/java-v1/templates/libraries/resttemplate/build.gradle.mustache
@@ -123,10 +123,12 @@ ext {
     {{#useJakartaEe}}
     spring_web_version = "6.1.5"
     jakarta_annotation_version = "2.1.1"
+    beanvalidation_version = "3.0.2"
     {{/useJakartaEe}}
     {{^useJakartaEe}}
-    spring_web_version = "5.3.33"
+    spring_web_version = "6.1.13"
     jakarta_annotation_version = "1.3.5"
+    beanvalidation_version = "2.0.2"
     {{/useJakartaEe}}
     jodatime_version = "2.9.9"
     junit_version = "5.10.2"
@@ -145,7 +147,12 @@ dependencies {
     implementation "com.fasterxml.jackson.core:jackson-core:$jackson_version"
     implementation "com.fasterxml.jackson.core:jackson-annotations:$jackson_version"
     implementation "com.fasterxml.jackson.core:jackson-databind:$jackson_databind_version"
+    {{^useJakartaEe}}
     implementation "com.fasterxml.jackson.jaxrs:jackson-jaxrs-json-provider:$jackson_version"
+    {{/useJakartaEe}}
+    {{#useJakartaEe}}
+    implementation "com.fasterxml.jackson.jakarta.rs:jackson-jakarta-rs-json-provider:$jackson_version"
+    {{/useJakartaEe}}
     {{#openApiNullable}}
     implementation "org.openapitools:jackson-databind-nullable:$jackson_databind_nullable_version"
     {{/openApiNullable}}
diff --git a/sdks/java-v1/templates/libraries/resttemplate/model.mustache b/sdks/java-v1/templates/libraries/resttemplate/model.mustache
new file mode 100644
index 000000000..108748f60
--- /dev/null
+++ b/sdks/java-v1/templates/libraries/resttemplate/model.mustache
@@ -0,0 +1,78 @@
+{{>licenseInfo}}
+
+package {{package}};
+
+{{#useReflectionEqualsHashCode}}
+import org.apache.commons.lang3.builder.EqualsBuilder;
+import org.apache.commons.lang3.builder.HashCodeBuilder;
+{{/useReflectionEqualsHashCode}}
+{{#models}}
+{{#model}}
+{{#additionalPropertiesType}}
+import java.util.Map;
+import java.util.HashMap;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+{{/additionalPropertiesType}}
+{{/model}}
+{{/models}}
+import java.util.Objects;
+import java.util.Arrays;
+{{#imports}}
+import {{import}};
+{{/imports}}
+{{#serializableModel}}
+import java.io.Serializable;
+{{/serializableModel}}
+{{#jackson}}
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.fasterxml.jackson.annotation.JsonTypeName;
+{{#withXml}}
+import com.fasterxml.jackson.dataformat.xml.annotation.*;
+{{/withXml}}
+{{#vendorExtensions.x-has-readonly-properties}}
+import com.fasterxml.jackson.annotation.JsonCreator;
+{{/vendorExtensions.x-has-readonly-properties}}
+{{/jackson}}
+{{#withXml}}
+import {{javaxPackage}}.xml.bind.annotation.*;
+import {{javaxPackage}}.xml.bind.annotation.adapters.*;
+import io.github.threetenjaxb.core.*;
+{{/withXml}}
+{{#jsonb}}
+import java.lang.reflect.Type;
+import {{javaxPackage}}.json.bind.annotation.JsonbTypeDeserializer;
+import {{javaxPackage}}.json.bind.annotation.JsonbTypeSerializer;
+import {{javaxPackage}}.json.bind.serializer.DeserializationContext;
+import {{javaxPackage}}.json.bind.serializer.JsonbDeserializer;
+import {{javaxPackage}}.json.bind.serializer.JsonbSerializer;
+import {{javaxPackage}}.json.bind.serializer.SerializationContext;
+import {{javaxPackage}}.json.stream.JsonGenerator;
+import {{javaxPackage}}.json.stream.JsonParser;
+import {{javaxPackage}}.json.bind.annotation.JsonbProperty;
+{{#vendorExtensions.x-has-readonly-properties}}
+import {{javaxPackage}}.json.bind.annotation.JsonbCreator;
+{{/vendorExtensions.x-has-readonly-properties}}
+{{/jsonb}}
+{{#parcelableModel}}
+import android.os.Parcelable;
+import android.os.Parcel;
+{{/parcelableModel}}
+{{#useBeanValidation}}
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
+{{/useBeanValidation}}
+{{#performBeanValidation}}
+import org.hibernate.validator.constraints.*;
+{{/performBeanValidation}}
+{{#supportUrlQuery}}
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.util.StringJoiner;
+{{/supportUrlQuery}}
+
+{{#models}}
+{{#model}}
+{{#isEnum}}{{>modelEnum}}{{/isEnum}}{{^isEnum}}{{#vendorExtensions.x-is-one-of-interface}}{{>oneof_interface}}{{/vendorExtensions.x-is-one-of-interface}}{{^vendorExtensions.x-is-one-of-interface}}{{>pojo}}{{/vendorExtensions.x-is-one-of-interface}}{{/isEnum}}
+{{/model}}
+{{/models}}
diff --git a/sdks/java-v1/templates/libraries/resttemplate/pojo.mustache b/sdks/java-v1/templates/libraries/resttemplate/pojo.mustache
new file mode 100644
index 000000000..192b7014c
--- /dev/null
+++ b/sdks/java-v1/templates/libraries/resttemplate/pojo.mustache
@@ -0,0 +1,620 @@
+/**
+ * {{description}}{{^description}}{{classname}}{{/description}}{{#isDeprecated}}
+ * @deprecated{{/isDeprecated}}
+ */{{#isDeprecated}}
+@Deprecated{{/isDeprecated}}
+{{#swagger1AnnotationLibrary}}
+{{#description}}
+@ApiModel(description = "{{{.}}}")
+{{/description}}
+{{/swagger1AnnotationLibrary}}
+{{#swagger2AnnotationLibrary}}
+{{#description}}
+@Schema(description = "{{{.}}}")
+{{/description}}
+{{/swagger2AnnotationLibrary}}
+{{#jackson}}
+@JsonPropertyOrder({
+{{#vars}}
+  {{classname}}.JSON_PROPERTY_{{nameInSnakeCase}}{{^-last}},{{/-last}}
+{{/vars}}
+})
+{{#isClassnameSanitized}}
+{{^hasDiscriminatorWithNonEmptyMapping}}
+@JsonTypeName("{{name}}")
+{{/hasDiscriminatorWithNonEmptyMapping}}
+{{/isClassnameSanitized}}
+{{/jackson}}
+{{>additionalModelTypeAnnotations}}{{>generatedAnnotation}}{{#discriminator}}{{>typeInfoAnnotation}}{{/discriminator}}{{>xmlAnnotation}}
+{{#vendorExtensions.x-class-extra-annotation}}
+{{{vendorExtensions.x-class-extra-annotation}}}
+{{/vendorExtensions.x-class-extra-annotation}}
+public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtensions.x-implements}}{{#-first}}implements {{{.}}}{{/-first}}{{^-first}}, {{{.}}}{{/-first}}{{#-last}} {{/-last}}{{/vendorExtensions.x-implements}}{
+{{#serializableModel}}
+  private static final long serialVersionUID = 1L;
+
+{{/serializableModel}}
+  {{#vars}}
+    {{#isEnum}}
+    {{^isContainer}}
+{{>modelInnerEnum}}
+    {{/isContainer}}
+    {{#isContainer}}
+    {{#mostInnerItems}}
+{{>modelInnerEnum}}
+    {{/mostInnerItems}}
+    {{/isContainer}}
+    {{/isEnum}}
+  {{#gson}}
+  public static final String SERIALIZED_NAME_{{nameInSnakeCase}} = "{{baseName}}";
+  {{/gson}}
+  {{#jackson}}
+  public static final String JSON_PROPERTY_{{nameInSnakeCase}} = "{{baseName}}";
+  {{/jackson}}
+  {{#withXml}}
+  @Xml{{#isXmlAttribute}}Attribute{{/isXmlAttribute}}{{^isXmlAttribute}}Element{{/isXmlAttribute}}(name = "{{items.xmlName}}{{^items.xmlName}}{{xmlName}}{{^xmlName}}{{baseName}}{{/xmlName}}{{/items.xmlName}}"{{#xmlNamespace}}, namespace = "{{.}}"{{/xmlNamespace}})
+    {{#isXmlWrapped}}
+  @XmlElementWrapper(name = "{{xmlName}}{{^xmlName}}{{baseName}}{{/xmlName}}"{{#xmlNamespace}}, namespace = "{{.}}"{{/xmlNamespace}})
+    {{/isXmlWrapped}}
+    {{^isXmlAttribute}}
+      {{#isDateTime}}
+  @XmlJavaTypeAdapter(OffsetDateTimeXmlAdapter.class)
+      {{/isDateTime}}
+    {{/isXmlAttribute}}
+  {{/withXml}}
+  {{#gson}}
+  @SerializedName(SERIALIZED_NAME_{{nameInSnakeCase}})
+  {{/gson}}
+  {{>nullable_var_annotations}}
+  {{#vendorExtensions.x-field-extra-annotation}}
+  {{{vendorExtensions.x-field-extra-annotation}}}
+  {{/vendorExtensions.x-field-extra-annotation}}
+  {{#vendorExtensions.x-is-jackson-optional-nullable}}
+  {{#isContainer}}
+  {{#hasChildren}}protected{{/hasChildren}}{{^hasChildren}}private{{/hasChildren}} JsonNullable<{{{datatypeWithEnum}}}> {{name}} = JsonNullable.<{{{datatypeWithEnum}}}>undefined();
+  {{/isContainer}}
+  {{^isContainer}}
+  {{#hasChildren}}protected{{/hasChildren}}{{^hasChildren}}private{{/hasChildren}} JsonNullable<{{{datatypeWithEnum}}}> {{name}} = JsonNullable.<{{{datatypeWithEnum}}}>{{#defaultValue}}of({{{.}}}){{/defaultValue}}{{^defaultValue}}undefined(){{/defaultValue}};
+  {{/isContainer}}
+  {{/vendorExtensions.x-is-jackson-optional-nullable}}
+  {{^vendorExtensions.x-is-jackson-optional-nullable}}
+  {{#isContainer}}
+  {{#hasChildren}}protected{{/hasChildren}}{{^hasChildren}}private{{/hasChildren}} {{{datatypeWithEnum}}} {{name}}{{#defaultValue}} = {{{.}}}{{/defaultValue}};
+  {{/isContainer}}
+  {{^isContainer}}
+  {{#hasChildren}}protected{{/hasChildren}}{{^hasChildren}}private{{/hasChildren}} {{{datatypeWithEnum}}} {{name}}{{#defaultValue}} = {{{.}}}{{/defaultValue}};
+  {{/isContainer}}
+  {{/vendorExtensions.x-is-jackson-optional-nullable}}
+
+  {{/vars}}
+  public {{classname}}() {
+    {{#parent}}
+    {{#parcelableModel}}
+    super();{{/parcelableModel}}
+    {{/parent}}
+    {{#gson}}
+    {{#discriminator}}
+    {{#discriminator.isEnum}}
+    this.{{{discriminatorName}}} = this.getClass().getSimpleName();
+    {{/discriminator.isEnum}}
+    {{/discriminator}}
+    {{/gson}}
+  }
+  {{#vendorExtensions.x-has-readonly-properties}}
+  {{^withXml}}
+  /**
+   * Constructor with only readonly parameters{{#generateConstructorWithAllArgs}}{{^vendorExtensions.x-java-all-args-constructor}} and all parameters{{/vendorExtensions.x-java-all-args-constructor}}{{/generateConstructorWithAllArgs}}
+   */
+  {{#jsonb}}@JsonbCreator{{/jsonb}}{{#jackson}}@JsonCreator{{/jackson}}
+  public {{classname}}(
+  {{#readOnlyVars}}
+    {{#jsonb}}@JsonbProperty(value = "{{baseName}}"{{^required}}, nullable = true{{/required}}){{/jsonb}}{{#jackson}}@JsonProperty(JSON_PROPERTY_{{nameInSnakeCase}}){{/jackson}} {{{datatypeWithEnum}}} {{name}}{{^-last}}, {{/-last}}
+  {{/readOnlyVars}}
+  ) {
+    this();
+  {{#readOnlyVars}}
+    this.{{name}} = {{#vendorExtensions.x-is-jackson-optional-nullable}}{{name}} == null ? JsonNullable.<{{{datatypeWithEnum}}}>undefined() : JsonNullable.of({{name}}){{/vendorExtensions.x-is-jackson-optional-nullable}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{name}}{{/vendorExtensions.x-is-jackson-optional-nullable}};
+  {{/readOnlyVars}}
+  }
+  {{/withXml}}
+  {{/vendorExtensions.x-has-readonly-properties}}
+{{#vendorExtensions.x-java-all-args-constructor}}
+
+  /**
+   * Constructor with all args parameters
+   */
+  public {{classname}}({{#vendorExtensions.x-java-all-args-constructor-vars}}{{#jsonb}}@JsonbProperty(value = "{{baseName}}"{{^required}}, nullable = true{{/required}}){{/jsonb}}{{#jackson}}@JsonProperty(JSON_PROPERTY_{{nameInSnakeCase}}){{/jackson}} {{{datatypeWithEnum}}} {{name}}{{^-last}}, {{/-last}}{{/vendorExtensions.x-java-all-args-constructor-vars}}) {
+{{#parent}}
+    super({{#parentVars}}{{name}}{{^-last}}, {{/-last}}{{/parentVars}});
+{{/parent}}
+  {{#vars}}
+    this.{{name}} = {{#vendorExtensions.x-is-jackson-optional-nullable}}{{name}} == null ? JsonNullable.<{{{datatypeWithEnum}}}>undefined() : JsonNullable.of({{name}}){{/vendorExtensions.x-is-jackson-optional-nullable}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{name}}{{/vendorExtensions.x-is-jackson-optional-nullable}};
+{{/vars}}
+  }
+{{/vendorExtensions.x-java-all-args-constructor}}
+
+{{#vars}}
+  {{^isReadOnly}}
+  public {{classname}} {{name}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
+    {{#vendorExtensions.x-is-jackson-optional-nullable}}this.{{name}} = JsonNullable.<{{{datatypeWithEnum}}}>of({{name}});{{/vendorExtensions.x-is-jackson-optional-nullable}}
+    {{^vendorExtensions.x-is-jackson-optional-nullable}}this.{{name}} = {{name}};{{/vendorExtensions.x-is-jackson-optional-nullable}}
+    return this;
+  }
+  {{#isArray}}
+
+  public {{classname}} add{{nameInPascalCase}}Item({{{items.datatypeWithEnum}}} {{name}}Item) {
+    {{#vendorExtensions.x-is-jackson-optional-nullable}}
+    if (this.{{name}} == null || !this.{{name}}.isPresent()) {
+      this.{{name}} = JsonNullable.<{{{datatypeWithEnum}}}>of({{{defaultValue}}}{{^defaultValue}}new {{#uniqueItems}}LinkedHashSet{{/uniqueItems}}{{^uniqueItems}}ArrayList{{/uniqueItems}}<>(){{/defaultValue}});
+    }
+    try {
+      this.{{name}}.get().add({{name}}Item);
+    } catch (java.util.NoSuchElementException e) {
+      // this can never happen, as we make sure above that the value is present
+    }
+    return this;
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+    {{^vendorExtensions.x-is-jackson-optional-nullable}}
+    if (this.{{name}} == null) {
+      this.{{name}} = {{{defaultValue}}}{{^defaultValue}}new {{#uniqueItems}}LinkedHashSet{{/uniqueItems}}{{^uniqueItems}}ArrayList{{/uniqueItems}}<>(){{/defaultValue}};
+    }
+    this.{{name}}.add({{name}}Item);
+    return this;
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+  }
+  {{/isArray}}
+  {{#isMap}}
+
+  public {{classname}} put{{nameInPascalCase}}Item(String key, {{{items.datatypeWithEnum}}} {{name}}Item) {
+    {{#vendorExtensions.x-is-jackson-optional-nullable}}
+    if (this.{{name}} == null || !this.{{name}}.isPresent()) {
+      this.{{name}} = JsonNullable.<{{{datatypeWithEnum}}}>of({{{defaultValue}}}{{^defaultValue}}new HashMap<>(){{/defaultValue}});
+    }
+    try {
+      this.{{name}}.get().put(key, {{name}}Item);
+    } catch (java.util.NoSuchElementException e) {
+      // this can never happen, as we make sure above that the value is present
+    }
+    return this;
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+    {{^vendorExtensions.x-is-jackson-optional-nullable}}
+    {{^required}}
+    if (this.{{name}} == null) {
+      this.{{name}} = {{{defaultValue}}}{{^defaultValue}}new HashMap<>(){{/defaultValue}};
+    }
+    {{/required}}
+    this.{{name}}.put(key, {{name}}Item);
+    return this;
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+  }
+  {{/isMap}}
+
+  {{/isReadOnly}}
+  /**
+  {{#description}}
+   * {{.}}
+  {{/description}}
+  {{^description}}
+   * Get {{name}}
+  {{/description}}
+  {{#minimum}}
+   * minimum: {{.}}
+  {{/minimum}}
+  {{#maximum}}
+   * maximum: {{.}}
+  {{/maximum}}
+   * @return {{name}}
+   {{#deprecated}}
+   * @deprecated
+   {{/deprecated}}
+   */
+{{#deprecated}}
+  @Deprecated
+{{/deprecated}}
+  {{>nullable_var_annotations}}
+{{#jsonb}}
+  @JsonbProperty("{{baseName}}")
+{{/jsonb}}
+{{#useBeanValidation}}
+{{>beanValidation}}
+{{/useBeanValidation}}
+{{#swagger1AnnotationLibrary}}
+  @ApiModelProperty({{#example}}example = "{{{.}}}", {{/example}}{{#required}}required = {{required}}, {{/required}}value = "{{{description}}}")
+{{/swagger1AnnotationLibrary}}
+{{#swagger2AnnotationLibrary}}
+  @Schema({{#example}}example = "{{{.}}}", {{/example}}requiredMode = {{#required}}Schema.RequiredMode.REQUIRED{{/required}}{{^required}}Schema.RequiredMode.NOT_REQUIRED{{/required}}, description = "{{{description}}}")
+{{/swagger2AnnotationLibrary}}
+{{#vendorExtensions.x-extra-annotation}}
+  {{{vendorExtensions.x-extra-annotation}}}
+{{/vendorExtensions.x-extra-annotation}}
+{{#vendorExtensions.x-is-jackson-optional-nullable}}
+  {{!unannotated, Jackson would pick this up automatically and add it *in addition* to the _JsonNullable getter field}}
+  @JsonIgnore
+{{/vendorExtensions.x-is-jackson-optional-nullable}}
+{{^vendorExtensions.x-is-jackson-optional-nullable}}{{#jackson}}{{> jackson_annotations}}{{/jackson}}{{/vendorExtensions.x-is-jackson-optional-nullable}}
+  public {{{datatypeWithEnum}}} {{getter}}() {
+    {{#vendorExtensions.x-is-jackson-optional-nullable}}
+    {{#isReadOnly}}{{! A readonly attribute doesn't have setter => jackson will set null directly if explicitly returned by API, so make sure we have an empty JsonNullable}}
+    if ({{name}} == null) {
+      {{name}} = JsonNullable.<{{{datatypeWithEnum}}}>{{#defaultValue}}of({{{.}}}){{/defaultValue}}{{^defaultValue}}undefined(){{/defaultValue}};
+    }
+    {{/isReadOnly}}
+    return {{name}}.orElse(null);
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+    {{^vendorExtensions.x-is-jackson-optional-nullable}}
+    return {{name}};
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+  }
+
+  {{#vendorExtensions.x-is-jackson-optional-nullable}}
+{{> jackson_annotations}}
+  public JsonNullable<{{{datatypeWithEnum}}}> {{getter}}_JsonNullable() {
+    return {{name}};
+  }
+  {{/vendorExtensions.x-is-jackson-optional-nullable}}{{#vendorExtensions.x-is-jackson-optional-nullable}}
+  @JsonProperty(JSON_PROPERTY_{{nameInSnakeCase}})
+  {{#isReadOnly}}private{{/isReadOnly}}{{^isReadOnly}}public{{/isReadOnly}} void {{setter}}_JsonNullable(JsonNullable<{{{datatypeWithEnum}}}> {{name}}) {
+    {{! For getters/setters that have name differing from attribute name, we must include setter (albeit private) for jackson to be able to set the attribute}}
+    this.{{name}} = {{name}};
+  }
+  {{/vendorExtensions.x-is-jackson-optional-nullable}}
+
+  {{^isReadOnly}}
+{{#vendorExtensions.x-setter-extra-annotation}}  {{{vendorExtensions.x-setter-extra-annotation}}}
+{{/vendorExtensions.x-setter-extra-annotation}}{{#jackson}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{> jackson_annotations}}{{/vendorExtensions.x-is-jackson-optional-nullable}}{{/jackson}}  public void {{setter}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
+    {{#vendorExtensions.x-is-jackson-optional-nullable}}
+    this.{{name}} = JsonNullable.<{{{datatypeWithEnum}}}>of({{name}});
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+    {{^vendorExtensions.x-is-jackson-optional-nullable}}
+    this.{{name}} = {{name}};
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+  }
+  {{/isReadOnly}}
+
+  {{/vars}}
+{{>libraries/resttemplate/additional_properties}}
+  {{#parent}}
+  {{#readWriteVars}}
+  {{#isOverridden}}
+  @Override
+  public {{classname}} {{name}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
+    {{#vendorExtensions.x-is-jackson-optional-nullable}}
+    this.{{setter}}(JsonNullable.<{{{datatypeWithEnum}}}>of({{name}}));
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+    {{^vendorExtensions.x-is-jackson-optional-nullable}}
+    this.{{setter}}({{name}});
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+    return this;
+  }
+
+  {{/isOverridden}}
+  {{/readWriteVars}}
+  {{/parent}}
+  @Override
+  public boolean equals(Object o) {
+  {{#useReflectionEqualsHashCode}}
+    return EqualsBuilder.reflectionEquals(this, o, false, null, true);
+  {{/useReflectionEqualsHashCode}}
+  {{^useReflectionEqualsHashCode}}
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }{{#hasVars}}
+    {{classname}} {{classVarName}} = ({{classname}}) o;
+    return {{#vars}}{{#vendorExtensions.x-is-jackson-optional-nullable}}equalsNullable(this.{{name}}, {{classVarName}}.{{name}}){{/vendorExtensions.x-is-jackson-optional-nullable}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{#isByteArray}}Arrays{{/isByteArray}}{{^isByteArray}}Objects{{/isByteArray}}.equals(this.{{name}}, {{classVarName}}.{{name}}){{/vendorExtensions.x-is-jackson-optional-nullable}}{{^-last}} &&
+        {{/-last}}{{/vars}}{{#additionalPropertiesType}} &&
+        Objects.equals(this.additionalProperties, {{classVarName}}.additionalProperties){{/additionalPropertiesType}}{{#parent}} &&
+        super.equals(o){{/parent}};{{/hasVars}}{{^hasVars}}
+    return {{#parent}}super.equals(o){{/parent}}{{^parent}}true{{/parent}};{{/hasVars}}
+  {{/useReflectionEqualsHashCode}}
+  }{{#vendorExtensions.x-jackson-optional-nullable-helpers}}
+
+  private static <T> boolean equalsNullable(JsonNullable<T> a, JsonNullable<T> b) {
+    return a == b || (a != null && b != null && a.isPresent() && b.isPresent() && Objects.deepEquals(a.get(), b.get()));
+  }{{/vendorExtensions.x-jackson-optional-nullable-helpers}}
+
+  @Override
+  public int hashCode() {
+  {{#useReflectionEqualsHashCode}}
+    return HashCodeBuilder.reflectionHashCode(this);
+  {{/useReflectionEqualsHashCode}}
+  {{^useReflectionEqualsHashCode}}
+    return Objects.hash({{#vars}}{{#vendorExtensions.x-is-jackson-optional-nullable}}hashCodeNullable({{name}}){{/vendorExtensions.x-is-jackson-optional-nullable}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{^isByteArray}}{{name}}{{/isByteArray}}{{#isByteArray}}Arrays.hashCode({{name}}){{/isByteArray}}{{/vendorExtensions.x-is-jackson-optional-nullable}}{{^-last}}, {{/-last}}{{/vars}}{{#parent}}{{#hasVars}}, {{/hasVars}}super.hashCode(){{/parent}}{{#additionalPropertiesType}}, additionalProperties{{/additionalPropertiesType}});
+  {{/useReflectionEqualsHashCode}}
+  }{{#vendorExtensions.x-jackson-optional-nullable-helpers}}
+
+  private static <T> int hashCodeNullable(JsonNullable<T> a) {
+    if (a == null) {
+      return 1;
+    }
+    return a.isPresent() ? Arrays.deepHashCode(new Object[]{a.get()}) : 31;
+  }{{/vendorExtensions.x-jackson-optional-nullable-helpers}}
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class {{classname}} {\n");
+    {{#parent}}
+    sb.append("    ").append(toIndentedString(super.toString())).append("\n");
+    {{/parent}}
+    {{#vars}}
+    sb.append("    {{name}}: ").append({{#isPassword}}"*"{{/isPassword}}{{^isPassword}}toIndentedString({{name}}){{/isPassword}}).append("\n");
+    {{/vars}}
+    {{#additionalPropertiesType}}
+    sb.append("    additionalProperties: ").append(toIndentedString(additionalProperties)).append("\n");
+    {{/additionalPropertiesType}}
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private{{#jsonb}} static{{/jsonb}} String toIndentedString(Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+{{#supportUrlQuery}}
+
+  /**
+   * Convert the instance into URL query string.
+   *
+   * @return URL query string
+   */
+  public String toUrlQueryString() {
+    return toUrlQueryString(null);
+  }
+
+  /**
+   * Convert the instance into URL query string.
+   *
+   * @param prefix prefix of the query string
+   * @return URL query string
+   */
+  public String toUrlQueryString(String prefix) {
+    String suffix = "";
+    String containerSuffix = "";
+    String containerPrefix = "";
+    if (prefix == null) {
+      // style=form, explode=true, e.g. /pet?name=cat&type=manx
+      prefix = "";
+    } else {
+      // deepObject style e.g. /pet?id[name]=cat&id[type]=manx
+      prefix = prefix + "[";
+      suffix = "]";
+      containerSuffix = "]";
+      containerPrefix = "[";
+    }
+
+    StringJoiner joiner = new StringJoiner("&");
+
+    {{#allVars}}
+    // add `{{baseName}}` to the URL query string
+    {{#isArray}}
+    {{#items.isPrimitiveType}}
+    {{#uniqueItems}}
+    if ({{getter}}() != null) {
+      int i = 0;
+      for ({{{items.datatypeWithEnum}}} _item : {{getter}}()) {
+        try {
+          joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
+              "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+              URLEncoder.encode(String.valueOf(_item), "UTF-8").replaceAll("\\+", "%20")));
+        } catch (UnsupportedEncodingException e) {
+          // Should never happen, UTF-8 is always supported
+          throw new RuntimeException(e);
+        }
+      }
+      i++;
+    }
+    {{/uniqueItems}}
+    {{^uniqueItems}}
+    if ({{getter}}() != null) {
+      for (int i = 0; i < {{getter}}().size(); i++) {
+        try {
+          joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
+              "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+              URLEncoder.encode(String.valueOf({{getter}}().get(i)), "UTF-8").replaceAll("\\+", "%20")));
+        } catch (UnsupportedEncodingException e) {
+          // Should never happen, UTF-8 is always supported
+          throw new RuntimeException(e);
+        }
+      }
+    }
+    {{/uniqueItems}}
+    {{/items.isPrimitiveType}}
+    {{^items.isPrimitiveType}}
+    {{#items.isModel}}
+    {{#uniqueItems}}
+    if ({{getter}}() != null) {
+      int i = 0;
+      for ({{{items.dataType}}} _item : {{getter}}()) {
+        if (_item != null) {
+          joiner.add(_item.toUrlQueryString(String.format("%s{{baseName}}%s%s", prefix, suffix,
+              "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix))));
+        }
+      }
+      i++;
+    }
+    {{/uniqueItems}}
+    {{^uniqueItems}}
+    if ({{getter}}() != null) {
+      for (int i = 0; i < {{getter}}().size(); i++) {
+        if ({{getter}}().get(i) != null) {
+          joiner.add({{getter}}().get(i).toUrlQueryString(String.format("%s{{baseName}}%s%s", prefix, suffix,
+              "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix))));
+        }
+      }
+    }
+    {{/uniqueItems}}
+    {{/items.isModel}}
+    {{^items.isModel}}
+    {{#uniqueItems}}
+    if ({{getter}}() != null) {
+      int i = 0;
+      for ({{{items.dataType}}} _item : {{getter}}()) {
+        if (_item != null) {
+          try {
+            joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
+                "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+                URLEncoder.encode(String.valueOf(_item), "UTF-8").replaceAll("\\+", "%20")));
+          } catch (UnsupportedEncodingException e) {
+            // Should never happen, UTF-8 is always supported
+            throw new RuntimeException(e);
+          }
+        }
+        i++;
+      }
+    }
+    {{/uniqueItems}}
+    {{^uniqueItems}}
+    if ({{getter}}() != null) {
+      for (int i = 0; i < {{getter}}().size(); i++) {
+        if ({{getter}}().get(i) != null) {
+          try {
+            joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
+                "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+                URLEncoder.encode(String.valueOf({{getter}}().get(i)), "UTF-8").replaceAll("\\+", "%20")));
+          } catch (UnsupportedEncodingException e) {
+            // Should never happen, UTF-8 is always supported
+            throw new RuntimeException(e);
+          }
+        }
+      }
+    }
+    {{/uniqueItems}}
+    {{/items.isModel}}
+    {{/items.isPrimitiveType}}
+    {{/isArray}}
+    {{^isArray}}
+    {{#isMap}}
+    {{^items.isModel}}
+    if ({{getter}}() != null) {
+      for (String _key : {{getter}}().keySet()) {
+        try {
+          joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
+              "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix),
+              {{getter}}().get(_key), URLEncoder.encode(String.valueOf({{getter}}().get(_key)), "UTF-8").replaceAll("\\+", "%20")));
+        } catch (UnsupportedEncodingException e) {
+          // Should never happen, UTF-8 is always supported
+          throw new RuntimeException(e);
+        }
+      }
+    }
+    {{/items.isModel}}
+    {{#items.isModel}}
+    if ({{getter}}() != null) {
+      for (String _key : {{getter}}().keySet()) {
+        if ({{getter}}().get(_key) != null) {
+          joiner.add({{getter}}().get(_key).toUrlQueryString(String.format("%s{{baseName}}%s%s", prefix, suffix,
+              "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix))));
+        }
+      }
+    }
+    {{/items.isModel}}
+    {{/isMap}}
+    {{^isMap}}
+    {{#isPrimitiveType}}
+    if ({{getter}}() != null) {
+      try {
+        joiner.add(String.format("%s{{{baseName}}}%s=%s", prefix, suffix, URLEncoder.encode(String.valueOf({{{getter}}}()), "UTF-8").replaceAll("\\+", "%20")));
+      } catch (UnsupportedEncodingException e) {
+        // Should never happen, UTF-8 is always supported
+        throw new RuntimeException(e);
+      }
+    }
+    {{/isPrimitiveType}}
+    {{^isPrimitiveType}}
+    {{#isModel}}
+    if ({{getter}}() != null) {
+      joiner.add({{getter}}().toUrlQueryString(prefix + "{{{baseName}}}" + suffix));
+    }
+    {{/isModel}}
+    {{^isModel}}
+    if ({{getter}}() != null) {
+      try {
+        joiner.add(String.format("%s{{{baseName}}}%s=%s", prefix, suffix, URLEncoder.encode(String.valueOf({{{getter}}}()), "UTF-8").replaceAll("\\+", "%20")));
+      } catch (UnsupportedEncodingException e) {
+        // Should never happen, UTF-8 is always supported
+        throw new RuntimeException(e);
+      }
+    }
+    {{/isModel}}
+    {{/isPrimitiveType}}
+    {{/isMap}}
+    {{/isArray}}
+
+    {{/allVars}}
+    return joiner.toString();
+  }
+{{/supportUrlQuery}}
+{{#parcelableModel}}
+
+  public void writeToParcel(Parcel out, int flags) {
+{{#model}}
+{{#isArray}}
+    out.writeList(this);
+{{/isArray}}
+{{^isArray}}
+{{#parent}}
+    super.writeToParcel(out, flags);
+{{/parent}}
+{{#vars}}
+    out.writeValue({{name}});
+{{/vars}}
+{{/isArray}}
+{{/model}}
+  }
+
+  {{classname}}(Parcel in) {
+{{#isArray}}
+    in.readTypedList(this, {{arrayModelType}}.CREATOR);
+{{/isArray}}
+{{^isArray}}
+{{#parent}}
+    super(in);
+{{/parent}}
+{{#vars}}
+{{#isPrimitiveType}}
+    {{name}} = ({{{datatypeWithEnum}}})in.readValue(null);
+{{/isPrimitiveType}}
+{{^isPrimitiveType}}
+    {{name}} = ({{{datatypeWithEnum}}})in.readValue({{complexType}}.class.getClassLoader());
+{{/isPrimitiveType}}
+{{/vars}}
+{{/isArray}}
+  }
+
+  public int describeContents() {
+    return 0;
+  }
+
+  public static final Parcelable.Creator<{{classname}}> CREATOR = new Parcelable.Creator<{{classname}}>() {
+    public {{classname}} createFromParcel(Parcel in) {
+{{#model}}
+{{#isArray}}
+      {{classname}} result = new {{classname}}();
+      result.addAll(in.readArrayList({{arrayModelType}}.class.getClassLoader()));
+      return result;
+{{/isArray}}
+{{^isArray}}
+      return new {{classname}}(in);
+{{/isArray}}
+{{/model}}
+    }
+    public {{classname}}[] newArray(int size) {
+      return new {{classname}}[size];
+    }
+  };
+{{/parcelableModel}}
+{{#generateBuilders}}
+
+  {{>javaBuilder}}
+{{/generateBuilders}}
+
+}
diff --git a/sdks/java-v1/templates/libraries/resttemplate/pom.mustache b/sdks/java-v1/templates/libraries/resttemplate/pom.mustache
index 250417d78..90de86cba 100644
--- a/sdks/java-v1/templates/libraries/resttemplate/pom.mustache
+++ b/sdks/java-v1/templates/libraries/resttemplate/pom.mustache
@@ -73,7 +73,7 @@
                     </systemPropertyVariables>
                     <argLine>-Xms512m -Xmx1500m</argLine>
                     <parallel>methods</parallel>
-                    <forkMode>pertest</forkMode>
+                    <reuseForks>false</reuseForks>
                     <useUnlimitedThreads>true</useUnlimitedThreads>
                 </configuration>
                 <dependencies>
@@ -352,12 +352,6 @@
             <version>${junit-version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.junit.platform</groupId>
-            <artifactId>junit-platform-runner</artifactId>
-            <version>${junit-platform-runner.version}</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -367,33 +361,27 @@
         {{#swagger2AnnotationLibrary}}
         <swagger-annotations-version>2.2.15</swagger-annotations-version>
         {{/swagger2AnnotationLibrary}}
-        {{#useJakartaEe}}
-        <spring-web-version>6.1.5</spring-web-version>
-        {{/useJakartaEe}}
-        {{^useJakartaEe}}
-        <spring-web-version>5.3.33</spring-web-version>
-        {{/useJakartaEe}}
         <jackson-version>2.17.1</jackson-version>
         <jackson-databind-version>2.17.1</jackson-databind-version>
         {{#openApiNullable}}
         <jackson-databind-nullable-version>0.2.6</jackson-databind-nullable-version>
         {{/openApiNullable}}
         {{#useJakartaEe}}
+        <spring-web-version>6.1.14</spring-web-version>
         <jakarta-annotation-version>2.1.1</jakarta-annotation-version>
+        <beanvalidation-version>3.0.2</beanvalidation-version>
         {{/useJakartaEe}}
         {{^useJakartaEe}}
+        <spring-web-version>5.3.33</spring-web-version>
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
+        <beanvalidation-version>2.0.2</beanvalidation-version>
         {{/useJakartaEe}}
         {{#joda}}
         <jodatime-version>2.9.9</jodatime-version>
         {{/joda}}
-        {{#useBeanValidation}}
-        <beanvalidation-version>3.0.2</beanvalidation-version>
-        {{/useBeanValidation}}
         {{#performBeanValidation}}
         <hibernate-validator-version>5.4.3.Final</hibernate-validator-version>
         {{/performBeanValidation}}
         <junit-version>5.10.2</junit-version>
-        <junit-platform-runner.version>1.10.0</junit-platform-runner.version>
     </properties>
 </project>
diff --git a/sdks/java-v1/templates/libraries/retrofit2/ApiClient.mustache b/sdks/java-v1/templates/libraries/retrofit2/ApiClient.mustache
index 077e8d692..c05159d4e 100644
--- a/sdks/java-v1/templates/libraries/retrofit2/ApiClient.mustache
+++ b/sdks/java-v1/templates/libraries/retrofit2/ApiClient.mustache
@@ -46,7 +46,9 @@ import java.io.IOException;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Type;
 import java.text.DateFormat;
+{{#jsr310}}
 import java.time.format.DateTimeFormatter;
+{{/jsr310}}
 import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.HashMap;
diff --git a/sdks/java-v1/templates/libraries/retrofit2/JSON.mustache b/sdks/java-v1/templates/libraries/retrofit2/JSON.mustache
index 2ff8b1cb7..2e986485f 100644
--- a/sdks/java-v1/templates/libraries/retrofit2/JSON.mustache
+++ b/sdks/java-v1/templates/libraries/retrofit2/JSON.mustache
@@ -30,9 +30,11 @@ import java.lang.reflect.Type;
 import java.text.DateFormat;
 import java.text.ParseException;
 import java.text.ParsePosition;
+{{#jsr310}}
 import java.time.LocalDate;
 import java.time.OffsetDateTime;
 import java.time.format.DateTimeFormatter;
+{{/jsr310}}
 import java.util.Date;
 import java.util.Locale;
 import java.util.Map;
diff --git a/sdks/java-v1/templates/libraries/retrofit2/JSON_jackson.mustache b/sdks/java-v1/templates/libraries/retrofit2/JSON_jackson.mustache
index 525fe5d13..697e398e4 100644
--- a/sdks/java-v1/templates/libraries/retrofit2/JSON_jackson.mustache
+++ b/sdks/java-v1/templates/libraries/retrofit2/JSON_jackson.mustache
@@ -32,7 +32,7 @@ public class JSON implements ContextResolver<ObjectMapper> {
     mapper = JsonMapper.builder()
             .serializationInclusion(JsonInclude.Include.NON_NULL)
             .configure(MapperFeature.ALLOW_COERCION_OF_SCALARS, false)
-            .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, true)
+            .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, {{failOnUnknownProperties}})
             .configure(DeserializationFeature.FAIL_ON_INVALID_SUBTYPE, true)
             .disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)
             .enable(SerializationFeature.WRITE_ENUMS_USING_TO_STRING)
diff --git a/sdks/java-v1/templates/libraries/retrofit2/api.mustache b/sdks/java-v1/templates/libraries/retrofit2/api.mustache
index dd521a5fc..0b0105515 100644
--- a/sdks/java-v1/templates/libraries/retrofit2/api.mustache
+++ b/sdks/java-v1/templates/libraries/retrofit2/api.mustache
@@ -35,8 +35,8 @@ import java.util.Map;
 import java.util.Set;
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 
 {{/useBeanValidation}}
 {{#operations}}
diff --git a/sdks/java-v1/templates/libraries/retrofit2/api_test.mustache b/sdks/java-v1/templates/libraries/retrofit2/api_test.mustache
index dab62f328..b84e6b173 100644
--- a/sdks/java-v1/templates/libraries/retrofit2/api_test.mustache
+++ b/sdks/java-v1/templates/libraries/retrofit2/api_test.mustache
@@ -15,8 +15,8 @@ import java.util.List;
 import java.util.Map;
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 
 {{/useBeanValidation}}
 /**
diff --git a/sdks/java-v1/templates/libraries/retrofit2/play26/api.mustache b/sdks/java-v1/templates/libraries/retrofit2/play26/api.mustache
index e78bd985a..7f7b9e2b0 100644
--- a/sdks/java-v1/templates/libraries/retrofit2/play26/api.mustache
+++ b/sdks/java-v1/templates/libraries/retrofit2/play26/api.mustache
@@ -18,8 +18,8 @@ import okhttp3.MultipartBody;
 {{/imports}}
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 {{/useBeanValidation}}
 
 import java.util.ArrayList;
diff --git a/sdks/java-v1/templates/libraries/retrofit2/pom.mustache b/sdks/java-v1/templates/libraries/retrofit2/pom.mustache
index b02a5fb2e..7f5d6b892 100644
--- a/sdks/java-v1/templates/libraries/retrofit2/pom.mustache
+++ b/sdks/java-v1/templates/libraries/retrofit2/pom.mustache
@@ -405,13 +405,12 @@
         {{/joda}}
         {{#useJakartaEe}}
         <jakarta-annotation-version>2.1.1</jakarta-annotation-version>
+        <beanvalidation-version>3.0.2</beanvalidation-version>
         {{/useJakartaEe}}
         {{^useJakartaEe}}
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
+        <beanvalidation-version>2.0.2</beanvalidation-version>
         {{/useJakartaEe}}
-        {{#useBeanValidation}}
-        <beanvalidation-version>3.0.2</beanvalidation-version>
-        {{/useBeanValidation}}
         <oltu-version>1.0.1</oltu-version>
         <junit-version>5.10.3</junit-version>
     </properties>
diff --git a/sdks/java-v1/templates/libraries/vertx/ApiClient.mustache b/sdks/java-v1/templates/libraries/vertx/ApiClient.mustache
index 6607107ab..1a90c571b 100644
--- a/sdks/java-v1/templates/libraries/vertx/ApiClient.mustache
+++ b/sdks/java-v1/templates/libraries/vertx/ApiClient.mustache
@@ -81,7 +81,7 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
         // Build object mapper
         this.objectMapper = new ObjectMapper();
         this.objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
-        this.objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        this.objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, {{failOnUnknownProperties}});
         this.objectMapper.configure(DeserializationFeature.FAIL_ON_INVALID_SUBTYPE, false);
         this.objectMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
         this.objectMapper.enable(SerializationFeature.WRITE_ENUMS_USING_TO_STRING);
diff --git a/sdks/java-v1/templates/libraries/webclient/ApiClient.mustache b/sdks/java-v1/templates/libraries/webclient/ApiClient.mustache
index 9072a8859..ce696128e 100644
--- a/sdks/java-v1/templates/libraries/webclient/ApiClient.mustache
+++ b/sdks/java-v1/templates/libraries/webclient/ApiClient.mustache
@@ -143,7 +143,7 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
         ObjectMapper mapper = new ObjectMapper();
         mapper.setDateFormat(dateFormat);
         mapper.registerModule(new JavaTimeModule());
-        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, {{failOnUnknownProperties}});
         {{#openApiNullable}}
         JsonNullableModule jnm = new JsonNullableModule();
         mapper.registerModule(jnm);
diff --git a/sdks/java-v1/templates/libraries/webclient/additional_properties.mustache b/sdks/java-v1/templates/libraries/webclient/additional_properties.mustache
new file mode 100644
index 000000000..8e7182792
--- /dev/null
+++ b/sdks/java-v1/templates/libraries/webclient/additional_properties.mustache
@@ -0,0 +1,45 @@
+{{#additionalPropertiesType}}
+  /**
+   * A container for additional, undeclared properties.
+   * This is a holder for any undeclared properties as specified with
+   * the 'additionalProperties' keyword in the OAS document.
+   */
+  private Map<String, {{{.}}}> additionalProperties;
+
+  /**
+   * Set the additional (undeclared) property with the specified name and value.
+   * If the property does not already exist, create it otherwise replace it.
+   * @param key the name of the property
+   * @param value the value of the property
+   * @return self reference
+   */
+  @JsonAnySetter
+  public {{classname}} putAdditionalProperty(String key, {{{.}}} value) {
+    if (this.additionalProperties == null) {
+        this.additionalProperties = new HashMap<String, {{{.}}}>();
+    }
+    this.additionalProperties.put(key, value);
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) properties.
+   * @return the additional (undeclared) properties
+   */
+  @JsonAnyGetter
+  public Map<String, {{{.}}}> getAdditionalProperties() {
+    return additionalProperties;
+  }
+
+  /**
+   * Return the additional (undeclared) property with the specified name.
+   * @param key the name of the property
+   * @return the additional (undeclared) property with the specified name
+   */
+  public {{{.}}} getAdditionalProperty(String key) {
+    if (this.additionalProperties == null) {
+        return null;
+    }
+    return this.additionalProperties.get(key);
+  }
+{{/additionalPropertiesType}}
diff --git a/sdks/java-v1/templates/libraries/webclient/api.mustache b/sdks/java-v1/templates/libraries/webclient/api.mustache
index 65600dbfc..0a412fb37 100644
--- a/sdks/java-v1/templates/libraries/webclient/api.mustache
+++ b/sdks/java-v1/templates/libraries/webclient/api.mustache
@@ -12,8 +12,8 @@ import java.util.Map;
 import java.util.stream.Collectors;
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 
 {{/useBeanValidation}}
 import org.springframework.beans.factory.annotation.Autowired;
@@ -53,7 +53,81 @@ public class {{classname}} {
         this.apiClient = apiClient;
     }
 
-    {{#operation}}
+    {{#operation}}{{#singleRequestParameter}}{{#hasParams}}{{^hasSingleParam}}
+    public {{#staticRequest}}static {{/staticRequest}}class {{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}Request {
+    {{#allParams}}
+        private {{#isFile}}{{#useAbstractionForFiles}}{{#collectionFormat}}java.util.Collection<org.springframework.core.io.AbstractResource>{{/collectionFormat}}{{^collectionFormat}}org.springframework.core.io.AbstractResource{{/collectionFormat}}{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{dataType}}}{{/useAbstractionForFiles}}{{/isFile}}{{^isFile}}{{{dataType}}}{{/isFile}} {{paramName}};
+    {{/allParams}}
+
+        public {{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}Request() {}
+
+        public {{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}Request({{#allParams}}{{#isFile}}{{#useAbstractionForFiles}}{{#collectionFormat}}java.util.Collection<org.springframework.core.io.AbstractResource>{{/collectionFormat}}{{^collectionFormat}}org.springframework.core.io.AbstractResource{{/collectionFormat}}{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{dataType}}}{{/useAbstractionForFiles}}{{/isFile}}{{^isFile}}{{{dataType}}}{{/isFile}} {{paramName}}{{^-last}}, {{/-last}}{{/allParams}}) {
+        {{#allParams}}
+            this.{{paramName}} = {{paramName}};
+        {{/allParams}}
+        }
+
+        {{#allParams}}
+        public {{#isFile}}{{#useAbstractionForFiles}}{{#collectionFormat}}java.util.Collection<org.springframework.core.io.AbstractResource>{{/collectionFormat}}{{^collectionFormat}}org.springframework.core.io.AbstractResource{{/collectionFormat}}{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{dataType}}}{{/useAbstractionForFiles}}{{/isFile}}{{^isFile}}{{{dataType}}}{{/isFile}} {{paramName}}() {
+            return this.{{paramName}};
+        }
+        public {{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}Request {{paramName}}({{#isFile}}{{#useAbstractionForFiles}}{{#collectionFormat}}java.util.Collection<org.springframework.core.io.AbstractResource>{{/collectionFormat}}{{^collectionFormat}}org.springframework.core.io.AbstractResource{{/collectionFormat}}{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{dataType}}}{{/useAbstractionForFiles}}{{/isFile}}{{^isFile}}{{{dataType}}}{{/isFile}} {{paramName}}) {
+            this.{{paramName}} = {{paramName}};
+            return this;
+        }
+
+        {{/allParams}}
+    }
+
+      /**
+      * {{summary}}
+      * {{notes}}
+    {{#responses}}     * <p><b>{{code}}</b>{{#message}} - {{.}}{{/message}}
+    {{/responses}}     * @param requestParameters The {{operationId}} request parameters as object
+    {{#returnType}}     * @return {{.}}
+    {{/returnType}}     * @throws WebClientResponseException if an error occurs while attempting to invoke the API
+    {{#externalDocs}}
+        * {{description}}
+        * @see <a href="{{url}}">{{summary}} Documentation</a>
+    {{/externalDocs}}
+      */
+      public {{#returnType}}{{#vendorExtensions.x-webclient-blocking}}{{#vendorExtensions.x-webclient-return-except-list-of-string}}{{#uniqueItems}}Set{{/uniqueItems}}{{^uniqueItems}}List{{/uniqueItems}}<{{#isResponseFile}}{{#useAbstractionForFiles}}org.springframework.core.io.Resource{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{returnBaseType}}}{{/useAbstractionForFiles}}{{/isResponseFile}}{{^isResponseFile}}{{{returnBaseType}}}{{/isResponseFile}}>{{/vendorExtensions.x-webclient-return-except-list-of-string}}{{^vendorExtensions.x-webclient-return-except-list-of-string}}{{#isResponseFile}}{{#useAbstractionForFiles}}org.springframework.core.io.Resource{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{returnType}}}{{/useAbstractionForFiles}}{{/isResponseFile}}{{^isResponseFile}}{{{returnType}}}{{/isResponseFile}}{{/vendorExtensions.x-webclient-return-except-list-of-string}}{{/vendorExtensions.x-webclient-blocking}}{{^vendorExtensions.x-webclient-blocking}}{{#vendorExtensions.x-webclient-return-except-list-of-string}}Flux<{{#isResponseFile}}{{#useAbstractionForFiles}}org.springframework.core.io.Resource{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{returnBaseType}}}{{/useAbstractionForFiles}}{{/isResponseFile}}{{^isResponseFile}}{{{returnBaseType}}}{{/isResponseFile}}>{{/vendorExtensions.x-webclient-return-except-list-of-string}}{{^vendorExtensions.x-webclient-return-except-list-of-string}}Mono<{{#isResponseFile}}{{#useAbstractionForFiles}}org.springframework.core.io.Resource{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{returnType}}}{{/useAbstractionForFiles}}{{/isResponseFile}}{{^isResponseFile}}{{{returnType}}}{{/isResponseFile}}>{{/vendorExtensions.x-webclient-return-except-list-of-string}}{{/vendorExtensions.x-webclient-blocking}} {{/returnType}}{{^returnType}}{{#vendorExtensions.x-webclient-blocking}}void{{/vendorExtensions.x-webclient-blocking}}{{^vendorExtensions.x-webclient-blocking}}Mono<Void>{{/vendorExtensions.x-webclient-blocking}} {{/returnType}}{{operationId}}({{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}Request requestParameters) throws WebClientResponseException {
+          {{^returnType}}{{^vendorExtensions.x-webclient-blocking}}return {{/vendorExtensions.x-webclient-blocking}}{{/returnType}}{{#returnType}}return {{/returnType}}this.{{operationId}}({{#allParams}}requestParameters.{{paramName}}(){{^-last}}, {{/-last}}{{/allParams}});
+      }
+
+      /**
+      * {{summary}}
+      * {{notes}}
+    {{#responses}}     * <p><b>{{code}}</b>{{#message}} - {{.}}{{/message}}
+    {{/responses}}     * @param requestParameters The {{operationId}} request parameters as object
+    {{#returnType}}     * @return ResponseEntity&lt;{{.}}&gt;
+    {{/returnType}}     * @throws WebClientResponseException if an error occurs while attempting to invoke the API
+    {{#externalDocs}}
+        * {{description}}
+        * @see <a href="{{url}}">{{summary}} Documentation</a>
+    {{/externalDocs}}
+      */
+      public {{#vendorExtensions.x-webclient-blocking}}{{#returnType}}{{#vendorExtensions.x-webclient-return-except-list-of-string}}ResponseEntity<List<{{#isResponseFile}}{{#useAbstractionForFiles}}org.springframework.core.io.Resource{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{returnBaseType}}}{{/useAbstractionForFiles}}{{/isResponseFile}}{{^isResponseFile}}{{{returnBaseType}}}{{/isResponseFile}}>>{{/vendorExtensions.x-webclient-return-except-list-of-string}}{{^vendorExtensions.x-webclient-return-except-list-of-string}}ResponseEntity<{{#isResponseFile}}{{#useAbstractionForFiles}}org.springframework.core.io.Resource{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{returnType}}}{{/useAbstractionForFiles}}{{/isResponseFile}}{{^isResponseFile}}{{{returnType}}}{{/isResponseFile}}>{{/vendorExtensions.x-webclient-return-except-list-of-string}}{{/returnType}}{{^returnType}}ResponseEntity<Void>{{/returnType}} {{/vendorExtensions.x-webclient-blocking}}{{^vendorExtensions.x-webclient-blocking}}{{#returnType}}{{#vendorExtensions.x-webclient-return-except-list-of-string}}Mono<ResponseEntity<List<{{#isResponseFile}}{{#useAbstractionForFiles}}org.springframework.core.io.Resource{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{returnBaseType}}}{{/useAbstractionForFiles}}{{/isResponseFile}}{{^isResponseFile}}{{{returnBaseType}}}{{/isResponseFile}}>>>{{/vendorExtensions.x-webclient-return-except-list-of-string}}{{^vendorExtensions.x-webclient-return-except-list-of-string}}Mono<ResponseEntity<{{#isResponseFile}}{{#useAbstractionForFiles}}org.springframework.core.io.Resource{{/useAbstractionForFiles}}{{^useAbstractionForFiles}}{{{returnType}}}{{/useAbstractionForFiles}}{{/isResponseFile}}{{^isResponseFile}}{{{returnType}}}{{/isResponseFile}}>>{{/vendorExtensions.x-webclient-return-except-list-of-string}}{{/returnType}}{{^returnType}}Mono<ResponseEntity<Void>>{{/returnType}} {{/vendorExtensions.x-webclient-blocking}}{{operationId}}WithHttpInfo({{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}Request requestParameters) throws WebClientResponseException {
+          return this.{{operationId}}WithHttpInfo({{#allParams}}requestParameters.{{paramName}}(){{^-last}}, {{/-last}}{{/allParams}});
+      }
+
+      /**
+      * {{summary}}
+      * {{notes}}
+    {{#responses}}     * <p><b>{{code}}</b>{{#message}} - {{.}}{{/message}}
+    {{/responses}}     * @param requestParameters The {{operationId}} request parameters as object
+      * @return ResponseSpec
+      * @throws WebClientResponseException if an error occurs while attempting to invoke the API
+    {{#externalDocs}}
+        * {{description}}
+        * @see <a href="{{url}}">{{summary}} Documentation</a>
+    {{/externalDocs}}
+      */
+      public ResponseSpec {{operationId}}WithResponseSpec({{#lambda.titlecase}}{{operationId}}{{/lambda.titlecase}}Request requestParameters) throws WebClientResponseException {
+         return this.{{operationId}}WithResponseSpec({{#allParams}}requestParameters.{{paramName}}(){{^-last}}, {{/-last}}{{/allParams}});
+      }
+
+          {{/hasSingleParam}}{{/hasParams}}{{/singleRequestParameter}}
     /**
      * {{summary}}
      * {{notes}}
diff --git a/sdks/java-v1/templates/libraries/webclient/api_test.mustache b/sdks/java-v1/templates/libraries/webclient/api_test.mustache
index c5d568617..e0a960d12 100644
--- a/sdks/java-v1/templates/libraries/webclient/api_test.mustache
+++ b/sdks/java-v1/templates/libraries/webclient/api_test.mustache
@@ -15,8 +15,8 @@ import java.util.Map;
 import java.util.stream.Collectors;
 
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 
 {{/useBeanValidation}}
 /**
diff --git a/sdks/java-v1/templates/libraries/webclient/build.gradle.mustache b/sdks/java-v1/templates/libraries/webclient/build.gradle.mustache
index 597411638..be194ab23 100644
--- a/sdks/java-v1/templates/libraries/webclient/build.gradle.mustache
+++ b/sdks/java-v1/templates/libraries/webclient/build.gradle.mustache
@@ -133,12 +133,14 @@ ext {
     {{#useJakartaEe}}
     spring_boot_version = "3.0.12"
     jakarta_annotation_version = "2.1.1"
+    beanvalidation_version = "3.0.2"
     reactor_version = "3.5.12"
     reactor_netty_version = "1.1.13"
     {{/useJakartaEe}}
     {{^useJakartaEe}}
     spring_boot_version = "2.7.17"
     jakarta_annotation_version = "1.3.5"
+    beanvalidation_version = "2.0.2"
     reactor_version = "3.4.34"
     reactor_netty_version = "1.0.39"
     {{/useJakartaEe}}
diff --git a/sdks/java-v1/templates/libraries/webclient/model.mustache b/sdks/java-v1/templates/libraries/webclient/model.mustache
new file mode 100644
index 000000000..108748f60
--- /dev/null
+++ b/sdks/java-v1/templates/libraries/webclient/model.mustache
@@ -0,0 +1,78 @@
+{{>licenseInfo}}
+
+package {{package}};
+
+{{#useReflectionEqualsHashCode}}
+import org.apache.commons.lang3.builder.EqualsBuilder;
+import org.apache.commons.lang3.builder.HashCodeBuilder;
+{{/useReflectionEqualsHashCode}}
+{{#models}}
+{{#model}}
+{{#additionalPropertiesType}}
+import java.util.Map;
+import java.util.HashMap;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+{{/additionalPropertiesType}}
+{{/model}}
+{{/models}}
+import java.util.Objects;
+import java.util.Arrays;
+{{#imports}}
+import {{import}};
+{{/imports}}
+{{#serializableModel}}
+import java.io.Serializable;
+{{/serializableModel}}
+{{#jackson}}
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.fasterxml.jackson.annotation.JsonTypeName;
+{{#withXml}}
+import com.fasterxml.jackson.dataformat.xml.annotation.*;
+{{/withXml}}
+{{#vendorExtensions.x-has-readonly-properties}}
+import com.fasterxml.jackson.annotation.JsonCreator;
+{{/vendorExtensions.x-has-readonly-properties}}
+{{/jackson}}
+{{#withXml}}
+import {{javaxPackage}}.xml.bind.annotation.*;
+import {{javaxPackage}}.xml.bind.annotation.adapters.*;
+import io.github.threetenjaxb.core.*;
+{{/withXml}}
+{{#jsonb}}
+import java.lang.reflect.Type;
+import {{javaxPackage}}.json.bind.annotation.JsonbTypeDeserializer;
+import {{javaxPackage}}.json.bind.annotation.JsonbTypeSerializer;
+import {{javaxPackage}}.json.bind.serializer.DeserializationContext;
+import {{javaxPackage}}.json.bind.serializer.JsonbDeserializer;
+import {{javaxPackage}}.json.bind.serializer.JsonbSerializer;
+import {{javaxPackage}}.json.bind.serializer.SerializationContext;
+import {{javaxPackage}}.json.stream.JsonGenerator;
+import {{javaxPackage}}.json.stream.JsonParser;
+import {{javaxPackage}}.json.bind.annotation.JsonbProperty;
+{{#vendorExtensions.x-has-readonly-properties}}
+import {{javaxPackage}}.json.bind.annotation.JsonbCreator;
+{{/vendorExtensions.x-has-readonly-properties}}
+{{/jsonb}}
+{{#parcelableModel}}
+import android.os.Parcelable;
+import android.os.Parcel;
+{{/parcelableModel}}
+{{#useBeanValidation}}
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
+{{/useBeanValidation}}
+{{#performBeanValidation}}
+import org.hibernate.validator.constraints.*;
+{{/performBeanValidation}}
+{{#supportUrlQuery}}
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.util.StringJoiner;
+{{/supportUrlQuery}}
+
+{{#models}}
+{{#model}}
+{{#isEnum}}{{>modelEnum}}{{/isEnum}}{{^isEnum}}{{#vendorExtensions.x-is-one-of-interface}}{{>oneof_interface}}{{/vendorExtensions.x-is-one-of-interface}}{{^vendorExtensions.x-is-one-of-interface}}{{>pojo}}{{/vendorExtensions.x-is-one-of-interface}}{{/isEnum}}
+{{/model}}
+{{/models}}
diff --git a/sdks/java-v1/templates/libraries/webclient/pojo.mustache b/sdks/java-v1/templates/libraries/webclient/pojo.mustache
new file mode 100644
index 000000000..2b9423b77
--- /dev/null
+++ b/sdks/java-v1/templates/libraries/webclient/pojo.mustache
@@ -0,0 +1,620 @@
+/**
+ * {{description}}{{^description}}{{classname}}{{/description}}{{#isDeprecated}}
+ * @deprecated{{/isDeprecated}}
+ */{{#isDeprecated}}
+@Deprecated{{/isDeprecated}}
+{{#swagger1AnnotationLibrary}}
+{{#description}}
+@ApiModel(description = "{{{.}}}")
+{{/description}}
+{{/swagger1AnnotationLibrary}}
+{{#swagger2AnnotationLibrary}}
+{{#description}}
+@Schema(description = "{{{.}}}")
+{{/description}}
+{{/swagger2AnnotationLibrary}}
+{{#jackson}}
+@JsonPropertyOrder({
+{{#vars}}
+  {{classname}}.JSON_PROPERTY_{{nameInSnakeCase}}{{^-last}},{{/-last}}
+{{/vars}}
+})
+{{#isClassnameSanitized}}
+{{^hasDiscriminatorWithNonEmptyMapping}}
+@JsonTypeName("{{name}}")
+{{/hasDiscriminatorWithNonEmptyMapping}}
+{{/isClassnameSanitized}}
+{{/jackson}}
+{{>additionalModelTypeAnnotations}}{{>generatedAnnotation}}{{#discriminator}}{{>typeInfoAnnotation}}{{/discriminator}}{{>xmlAnnotation}}
+{{#vendorExtensions.x-class-extra-annotation}}
+{{{vendorExtensions.x-class-extra-annotation}}}
+{{/vendorExtensions.x-class-extra-annotation}}
+public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtensions.x-implements}}{{#-first}}implements {{{.}}}{{/-first}}{{^-first}}, {{{.}}}{{/-first}}{{#-last}} {{/-last}}{{/vendorExtensions.x-implements}}{
+{{#serializableModel}}
+  private static final long serialVersionUID = 1L;
+
+{{/serializableModel}}
+  {{#vars}}
+    {{#isEnum}}
+    {{^isContainer}}
+{{>modelInnerEnum}}
+    {{/isContainer}}
+    {{#isContainer}}
+    {{#mostInnerItems}}
+{{>modelInnerEnum}}
+    {{/mostInnerItems}}
+    {{/isContainer}}
+    {{/isEnum}}
+  {{#gson}}
+  public static final String SERIALIZED_NAME_{{nameInSnakeCase}} = "{{baseName}}";
+  {{/gson}}
+  {{#jackson}}
+  public static final String JSON_PROPERTY_{{nameInSnakeCase}} = "{{baseName}}";
+  {{/jackson}}
+  {{#withXml}}
+  @Xml{{#isXmlAttribute}}Attribute{{/isXmlAttribute}}{{^isXmlAttribute}}Element{{/isXmlAttribute}}(name = "{{items.xmlName}}{{^items.xmlName}}{{xmlName}}{{^xmlName}}{{baseName}}{{/xmlName}}{{/items.xmlName}}"{{#xmlNamespace}}, namespace = "{{.}}"{{/xmlNamespace}})
+    {{#isXmlWrapped}}
+  @XmlElementWrapper(name = "{{xmlName}}{{^xmlName}}{{baseName}}{{/xmlName}}"{{#xmlNamespace}}, namespace = "{{.}}"{{/xmlNamespace}})
+    {{/isXmlWrapped}}
+    {{^isXmlAttribute}}
+      {{#isDateTime}}
+  @XmlJavaTypeAdapter(OffsetDateTimeXmlAdapter.class)
+      {{/isDateTime}}
+    {{/isXmlAttribute}}
+  {{/withXml}}
+  {{#gson}}
+  @SerializedName(SERIALIZED_NAME_{{nameInSnakeCase}})
+  {{/gson}}
+  {{>nullable_var_annotations}}
+  {{#vendorExtensions.x-field-extra-annotation}}
+  {{{vendorExtensions.x-field-extra-annotation}}}
+  {{/vendorExtensions.x-field-extra-annotation}}
+  {{#vendorExtensions.x-is-jackson-optional-nullable}}
+  {{#isContainer}}
+  {{#hasChildren}}protected{{/hasChildren}}{{^hasChildren}}private{{/hasChildren}} JsonNullable<{{{datatypeWithEnum}}}> {{name}} = JsonNullable.<{{{datatypeWithEnum}}}>undefined();
+  {{/isContainer}}
+  {{^isContainer}}
+  {{#hasChildren}}protected{{/hasChildren}}{{^hasChildren}}private{{/hasChildren}} JsonNullable<{{{datatypeWithEnum}}}> {{name}} = JsonNullable.<{{{datatypeWithEnum}}}>{{#defaultValue}}of({{{.}}}){{/defaultValue}}{{^defaultValue}}undefined(){{/defaultValue}};
+  {{/isContainer}}
+  {{/vendorExtensions.x-is-jackson-optional-nullable}}
+  {{^vendorExtensions.x-is-jackson-optional-nullable}}
+  {{#isContainer}}
+  {{#hasChildren}}protected{{/hasChildren}}{{^hasChildren}}private{{/hasChildren}} {{{datatypeWithEnum}}} {{name}}{{#defaultValue}} = {{{.}}}{{/defaultValue}};
+  {{/isContainer}}
+  {{^isContainer}}
+  {{#hasChildren}}protected{{/hasChildren}}{{^hasChildren}}private{{/hasChildren}} {{{datatypeWithEnum}}} {{name}}{{#defaultValue}} = {{{.}}}{{/defaultValue}};
+  {{/isContainer}}
+  {{/vendorExtensions.x-is-jackson-optional-nullable}}
+
+  {{/vars}}
+  public {{classname}}() {
+    {{#parent}}
+    {{#parcelableModel}}
+    super();{{/parcelableModel}}
+    {{/parent}}
+    {{#gson}}
+    {{#discriminator}}
+    {{#discriminator.isEnum}}
+    this.{{{discriminatorName}}} = this.getClass().getSimpleName();
+    {{/discriminator.isEnum}}
+    {{/discriminator}}
+    {{/gson}}
+  }
+  {{#vendorExtensions.x-has-readonly-properties}}
+  {{^withXml}}
+  /**
+   * Constructor with only readonly parameters{{#generateConstructorWithAllArgs}}{{^vendorExtensions.x-java-all-args-constructor}} and all parameters{{/vendorExtensions.x-java-all-args-constructor}}{{/generateConstructorWithAllArgs}}
+   */
+  {{#jsonb}}@JsonbCreator{{/jsonb}}{{#jackson}}@JsonCreator{{/jackson}}
+  public {{classname}}(
+  {{#readOnlyVars}}
+    {{#jsonb}}@JsonbProperty(value = "{{baseName}}"{{^required}}, nullable = true{{/required}}){{/jsonb}}{{#jackson}}@JsonProperty(JSON_PROPERTY_{{nameInSnakeCase}}){{/jackson}} {{{datatypeWithEnum}}} {{name}}{{^-last}}, {{/-last}}
+  {{/readOnlyVars}}
+  ) {
+    this();
+  {{#readOnlyVars}}
+    this.{{name}} = {{#vendorExtensions.x-is-jackson-optional-nullable}}{{name}} == null ? JsonNullable.<{{{datatypeWithEnum}}}>undefined() : JsonNullable.of({{name}}){{/vendorExtensions.x-is-jackson-optional-nullable}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{name}}{{/vendorExtensions.x-is-jackson-optional-nullable}};
+  {{/readOnlyVars}}
+  }
+  {{/withXml}}
+  {{/vendorExtensions.x-has-readonly-properties}}
+{{#vendorExtensions.x-java-all-args-constructor}}
+
+  /**
+   * Constructor with all args parameters
+   */
+  public {{classname}}({{#vendorExtensions.x-java-all-args-constructor-vars}}{{#jsonb}}@JsonbProperty(value = "{{baseName}}"{{^required}}, nullable = true{{/required}}){{/jsonb}}{{#jackson}}@JsonProperty(JSON_PROPERTY_{{nameInSnakeCase}}){{/jackson}} {{{datatypeWithEnum}}} {{name}}{{^-last}}, {{/-last}}{{/vendorExtensions.x-java-all-args-constructor-vars}}) {
+{{#parent}}
+    super({{#parentVars}}{{name}}{{^-last}}, {{/-last}}{{/parentVars}});
+{{/parent}}
+  {{#vars}}
+    this.{{name}} = {{#vendorExtensions.x-is-jackson-optional-nullable}}{{name}} == null ? JsonNullable.<{{{datatypeWithEnum}}}>undefined() : JsonNullable.of({{name}}){{/vendorExtensions.x-is-jackson-optional-nullable}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{name}}{{/vendorExtensions.x-is-jackson-optional-nullable}};
+{{/vars}}
+  }
+{{/vendorExtensions.x-java-all-args-constructor}}
+
+{{#vars}}
+  {{^isReadOnly}}
+  public {{classname}} {{name}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
+    {{#vendorExtensions.x-is-jackson-optional-nullable}}this.{{name}} = JsonNullable.<{{{datatypeWithEnum}}}>of({{name}});{{/vendorExtensions.x-is-jackson-optional-nullable}}
+    {{^vendorExtensions.x-is-jackson-optional-nullable}}this.{{name}} = {{name}};{{/vendorExtensions.x-is-jackson-optional-nullable}}
+    return this;
+  }
+  {{#isArray}}
+
+  public {{classname}} add{{nameInPascalCase}}Item({{{items.datatypeWithEnum}}} {{name}}Item) {
+    {{#vendorExtensions.x-is-jackson-optional-nullable}}
+    if (this.{{name}} == null || !this.{{name}}.isPresent()) {
+      this.{{name}} = JsonNullable.<{{{datatypeWithEnum}}}>of({{{defaultValue}}}{{^defaultValue}}new {{#uniqueItems}}LinkedHashSet{{/uniqueItems}}{{^uniqueItems}}ArrayList{{/uniqueItems}}<>(){{/defaultValue}});
+    }
+    try {
+      this.{{name}}.get().add({{name}}Item);
+    } catch (java.util.NoSuchElementException e) {
+      // this can never happen, as we make sure above that the value is present
+    }
+    return this;
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+    {{^vendorExtensions.x-is-jackson-optional-nullable}}
+    if (this.{{name}} == null) {
+      this.{{name}} = {{{defaultValue}}}{{^defaultValue}}new {{#uniqueItems}}LinkedHashSet{{/uniqueItems}}{{^uniqueItems}}ArrayList{{/uniqueItems}}<>(){{/defaultValue}};
+    }
+    this.{{name}}.add({{name}}Item);
+    return this;
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+  }
+  {{/isArray}}
+  {{#isMap}}
+
+  public {{classname}} put{{nameInPascalCase}}Item(String key, {{{items.datatypeWithEnum}}} {{name}}Item) {
+    {{#vendorExtensions.x-is-jackson-optional-nullable}}
+    if (this.{{name}} == null || !this.{{name}}.isPresent()) {
+      this.{{name}} = JsonNullable.<{{{datatypeWithEnum}}}>of({{{defaultValue}}}{{^defaultValue}}new HashMap<>(){{/defaultValue}});
+    }
+    try {
+      this.{{name}}.get().put(key, {{name}}Item);
+    } catch (java.util.NoSuchElementException e) {
+      // this can never happen, as we make sure above that the value is present
+    }
+    return this;
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+    {{^vendorExtensions.x-is-jackson-optional-nullable}}
+    {{^required}}
+    if (this.{{name}} == null) {
+      this.{{name}} = {{{defaultValue}}}{{^defaultValue}}new HashMap<>(){{/defaultValue}};
+    }
+    {{/required}}
+    this.{{name}}.put(key, {{name}}Item);
+    return this;
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+  }
+  {{/isMap}}
+
+  {{/isReadOnly}}
+  /**
+  {{#description}}
+   * {{.}}
+  {{/description}}
+  {{^description}}
+   * Get {{name}}
+  {{/description}}
+  {{#minimum}}
+   * minimum: {{.}}
+  {{/minimum}}
+  {{#maximum}}
+   * maximum: {{.}}
+  {{/maximum}}
+   * @return {{name}}
+   {{#deprecated}}
+   * @deprecated
+   {{/deprecated}}
+   */
+{{#deprecated}}
+  @Deprecated
+{{/deprecated}}
+  {{>nullable_var_annotations}}
+{{#jsonb}}
+  @JsonbProperty("{{baseName}}")
+{{/jsonb}}
+{{#useBeanValidation}}
+{{>beanValidation}}
+{{/useBeanValidation}}
+{{#swagger1AnnotationLibrary}}
+  @ApiModelProperty({{#example}}example = "{{{.}}}", {{/example}}{{#required}}required = {{required}}, {{/required}}value = "{{{description}}}")
+{{/swagger1AnnotationLibrary}}
+{{#swagger2AnnotationLibrary}}
+  @Schema({{#example}}example = "{{{.}}}", {{/example}}requiredMode = {{#required}}Schema.RequiredMode.REQUIRED{{/required}}{{^required}}Schema.RequiredMode.NOT_REQUIRED{{/required}}, description = "{{{description}}}")
+{{/swagger2AnnotationLibrary}}
+{{#vendorExtensions.x-extra-annotation}}
+  {{{vendorExtensions.x-extra-annotation}}}
+{{/vendorExtensions.x-extra-annotation}}
+{{#vendorExtensions.x-is-jackson-optional-nullable}}
+  {{!unannotated, Jackson would pick this up automatically and add it *in addition* to the _JsonNullable getter field}}
+  @JsonIgnore
+{{/vendorExtensions.x-is-jackson-optional-nullable}}
+{{^vendorExtensions.x-is-jackson-optional-nullable}}{{#jackson}}{{> jackson_annotations}}{{/jackson}}{{/vendorExtensions.x-is-jackson-optional-nullable}}
+  public {{{datatypeWithEnum}}} {{getter}}() {
+    {{#vendorExtensions.x-is-jackson-optional-nullable}}
+    {{#isReadOnly}}{{! A readonly attribute doesn't have setter => jackson will set null directly if explicitly returned by API, so make sure we have an empty JsonNullable}}
+    if ({{name}} == null) {
+      {{name}} = JsonNullable.<{{{datatypeWithEnum}}}>{{#defaultValue}}of({{{.}}}){{/defaultValue}}{{^defaultValue}}undefined(){{/defaultValue}};
+    }
+    {{/isReadOnly}}
+    return {{name}}.orElse(null);
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+    {{^vendorExtensions.x-is-jackson-optional-nullable}}
+    return {{name}};
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+  }
+
+  {{#vendorExtensions.x-is-jackson-optional-nullable}}
+{{> jackson_annotations}}
+  public JsonNullable<{{{datatypeWithEnum}}}> {{getter}}_JsonNullable() {
+    return {{name}};
+  }
+  {{/vendorExtensions.x-is-jackson-optional-nullable}}{{#vendorExtensions.x-is-jackson-optional-nullable}}
+  @JsonProperty(JSON_PROPERTY_{{nameInSnakeCase}})
+  {{#isReadOnly}}private{{/isReadOnly}}{{^isReadOnly}}public{{/isReadOnly}} void {{setter}}_JsonNullable(JsonNullable<{{{datatypeWithEnum}}}> {{name}}) {
+    {{! For getters/setters that have name differing from attribute name, we must include setter (albeit private) for jackson to be able to set the attribute}}
+    this.{{name}} = {{name}};
+  }
+  {{/vendorExtensions.x-is-jackson-optional-nullable}}
+
+  {{^isReadOnly}}
+{{#vendorExtensions.x-setter-extra-annotation}}  {{{vendorExtensions.x-setter-extra-annotation}}}
+{{/vendorExtensions.x-setter-extra-annotation}}{{#jackson}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{> jackson_annotations}}{{/vendorExtensions.x-is-jackson-optional-nullable}}{{/jackson}}  public void {{setter}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
+    {{#vendorExtensions.x-is-jackson-optional-nullable}}
+    this.{{name}} = JsonNullable.<{{{datatypeWithEnum}}}>of({{name}});
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+    {{^vendorExtensions.x-is-jackson-optional-nullable}}
+    this.{{name}} = {{name}};
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+  }
+  {{/isReadOnly}}
+
+  {{/vars}}
+{{>libraries/webclient/additional_properties}}
+  {{#parent}}
+  {{#readWriteVars}}
+  {{#isOverridden}}
+  @Override
+  public {{classname}} {{name}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
+    {{#vendorExtensions.x-is-jackson-optional-nullable}}
+    this.{{setter}}(JsonNullable.<{{{datatypeWithEnum}}}>of({{name}}));
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+    {{^vendorExtensions.x-is-jackson-optional-nullable}}
+    this.{{setter}}({{name}});
+    {{/vendorExtensions.x-is-jackson-optional-nullable}}
+    return this;
+  }
+
+  {{/isOverridden}}
+  {{/readWriteVars}}
+  {{/parent}}
+  @Override
+  public boolean equals(Object o) {
+  {{#useReflectionEqualsHashCode}}
+    return EqualsBuilder.reflectionEquals(this, o, false, null, true);
+  {{/useReflectionEqualsHashCode}}
+  {{^useReflectionEqualsHashCode}}
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }{{#hasVars}}
+    {{classname}} {{classVarName}} = ({{classname}}) o;
+    return {{#vars}}{{#vendorExtensions.x-is-jackson-optional-nullable}}equalsNullable(this.{{name}}, {{classVarName}}.{{name}}){{/vendorExtensions.x-is-jackson-optional-nullable}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{#isByteArray}}Arrays{{/isByteArray}}{{^isByteArray}}Objects{{/isByteArray}}.equals(this.{{name}}, {{classVarName}}.{{name}}){{/vendorExtensions.x-is-jackson-optional-nullable}}{{^-last}} &&
+        {{/-last}}{{/vars}}{{#additionalPropertiesType}} &&
+        Objects.equals(this.additionalProperties, {{classVarName}}.additionalProperties){{/additionalPropertiesType}}{{#parent}} &&
+        super.equals(o){{/parent}};{{/hasVars}}{{^hasVars}}
+    return {{#parent}}super.equals(o){{/parent}}{{^parent}}true{{/parent}};{{/hasVars}}
+  {{/useReflectionEqualsHashCode}}
+  }{{#vendorExtensions.x-jackson-optional-nullable-helpers}}
+
+  private static <T> boolean equalsNullable(JsonNullable<T> a, JsonNullable<T> b) {
+    return a == b || (a != null && b != null && a.isPresent() && b.isPresent() && Objects.deepEquals(a.get(), b.get()));
+  }{{/vendorExtensions.x-jackson-optional-nullable-helpers}}
+
+  @Override
+  public int hashCode() {
+  {{#useReflectionEqualsHashCode}}
+    return HashCodeBuilder.reflectionHashCode(this);
+  {{/useReflectionEqualsHashCode}}
+  {{^useReflectionEqualsHashCode}}
+    return Objects.hash({{#vars}}{{#vendorExtensions.x-is-jackson-optional-nullable}}hashCodeNullable({{name}}){{/vendorExtensions.x-is-jackson-optional-nullable}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{^isByteArray}}{{name}}{{/isByteArray}}{{#isByteArray}}Arrays.hashCode({{name}}){{/isByteArray}}{{/vendorExtensions.x-is-jackson-optional-nullable}}{{^-last}}, {{/-last}}{{/vars}}{{#parent}}{{#hasVars}}, {{/hasVars}}super.hashCode(){{/parent}}{{#additionalPropertiesType}}, additionalProperties{{/additionalPropertiesType}});
+  {{/useReflectionEqualsHashCode}}
+  }{{#vendorExtensions.x-jackson-optional-nullable-helpers}}
+
+  private static <T> int hashCodeNullable(JsonNullable<T> a) {
+    if (a == null) {
+      return 1;
+    }
+    return a.isPresent() ? Arrays.deepHashCode(new Object[]{a.get()}) : 31;
+  }{{/vendorExtensions.x-jackson-optional-nullable-helpers}}
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class {{classname}} {\n");
+    {{#parent}}
+    sb.append("    ").append(toIndentedString(super.toString())).append("\n");
+    {{/parent}}
+    {{#vars}}
+    sb.append("    {{name}}: ").append({{#isPassword}}"*"{{/isPassword}}{{^isPassword}}toIndentedString({{name}}){{/isPassword}}).append("\n");
+    {{/vars}}
+    {{#additionalPropertiesType}}
+    sb.append("    additionalProperties: ").append(toIndentedString(additionalProperties)).append("\n");
+    {{/additionalPropertiesType}}
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private{{#jsonb}} static{{/jsonb}} String toIndentedString(Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+{{#supportUrlQuery}}
+
+  /**
+   * Convert the instance into URL query string.
+   *
+   * @return URL query string
+   */
+  public String toUrlQueryString() {
+    return toUrlQueryString(null);
+  }
+
+  /**
+   * Convert the instance into URL query string.
+   *
+   * @param prefix prefix of the query string
+   * @return URL query string
+   */
+  public String toUrlQueryString(String prefix) {
+    String suffix = "";
+    String containerSuffix = "";
+    String containerPrefix = "";
+    if (prefix == null) {
+      // style=form, explode=true, e.g. /pet?name=cat&type=manx
+      prefix = "";
+    } else {
+      // deepObject style e.g. /pet?id[name]=cat&id[type]=manx
+      prefix = prefix + "[";
+      suffix = "]";
+      containerSuffix = "]";
+      containerPrefix = "[";
+    }
+
+    StringJoiner joiner = new StringJoiner("&");
+
+    {{#allVars}}
+    // add `{{baseName}}` to the URL query string
+    {{#isArray}}
+    {{#items.isPrimitiveType}}
+    {{#uniqueItems}}
+    if ({{getter}}() != null) {
+      int i = 0;
+      for ({{{items.datatypeWithEnum}}} _item : {{getter}}()) {
+        try {
+          joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
+              "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+              URLEncoder.encode(String.valueOf(_item), "UTF-8").replaceAll("\\+", "%20")));
+        } catch (UnsupportedEncodingException e) {
+          // Should never happen, UTF-8 is always supported
+          throw new RuntimeException(e);
+        }
+      }
+      i++;
+    }
+    {{/uniqueItems}}
+    {{^uniqueItems}}
+    if ({{getter}}() != null) {
+      for (int i = 0; i < {{getter}}().size(); i++) {
+        try {
+          joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
+              "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+              URLEncoder.encode(String.valueOf({{getter}}().get(i)), "UTF-8").replaceAll("\\+", "%20")));
+        } catch (UnsupportedEncodingException e) {
+          // Should never happen, UTF-8 is always supported
+          throw new RuntimeException(e);
+        }
+      }
+    }
+    {{/uniqueItems}}
+    {{/items.isPrimitiveType}}
+    {{^items.isPrimitiveType}}
+    {{#items.isModel}}
+    {{#uniqueItems}}
+    if ({{getter}}() != null) {
+      int i = 0;
+      for ({{{items.dataType}}} _item : {{getter}}()) {
+        if (_item != null) {
+          joiner.add(_item.toUrlQueryString(String.format("%s{{baseName}}%s%s", prefix, suffix,
+              "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix))));
+        }
+      }
+      i++;
+    }
+    {{/uniqueItems}}
+    {{^uniqueItems}}
+    if ({{getter}}() != null) {
+      for (int i = 0; i < {{getter}}().size(); i++) {
+        if ({{getter}}().get(i) != null) {
+          joiner.add({{getter}}().get(i).toUrlQueryString(String.format("%s{{baseName}}%s%s", prefix, suffix,
+              "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix))));
+        }
+      }
+    }
+    {{/uniqueItems}}
+    {{/items.isModel}}
+    {{^items.isModel}}
+    {{#uniqueItems}}
+    if ({{getter}}() != null) {
+      int i = 0;
+      for ({{{items.dataType}}} _item : {{getter}}()) {
+        if (_item != null) {
+          try {
+            joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
+                "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+                URLEncoder.encode(String.valueOf(_item), "UTF-8").replaceAll("\\+", "%20")));
+          } catch (UnsupportedEncodingException e) {
+            // Should never happen, UTF-8 is always supported
+            throw new RuntimeException(e);
+          }
+        }
+        i++;
+      }
+    }
+    {{/uniqueItems}}
+    {{^uniqueItems}}
+    if ({{getter}}() != null) {
+      for (int i = 0; i < {{getter}}().size(); i++) {
+        if ({{getter}}().get(i) != null) {
+          try {
+            joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
+                "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+                URLEncoder.encode(String.valueOf({{getter}}().get(i)), "UTF-8").replaceAll("\\+", "%20")));
+          } catch (UnsupportedEncodingException e) {
+            // Should never happen, UTF-8 is always supported
+            throw new RuntimeException(e);
+          }
+        }
+      }
+    }
+    {{/uniqueItems}}
+    {{/items.isModel}}
+    {{/items.isPrimitiveType}}
+    {{/isArray}}
+    {{^isArray}}
+    {{#isMap}}
+    {{^items.isModel}}
+    if ({{getter}}() != null) {
+      for (String _key : {{getter}}().keySet()) {
+        try {
+          joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
+              "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix),
+              {{getter}}().get(_key), URLEncoder.encode(String.valueOf({{getter}}().get(_key)), "UTF-8").replaceAll("\\+", "%20")));
+        } catch (UnsupportedEncodingException e) {
+          // Should never happen, UTF-8 is always supported
+          throw new RuntimeException(e);
+        }
+      }
+    }
+    {{/items.isModel}}
+    {{#items.isModel}}
+    if ({{getter}}() != null) {
+      for (String _key : {{getter}}().keySet()) {
+        if ({{getter}}().get(_key) != null) {
+          joiner.add({{getter}}().get(_key).toUrlQueryString(String.format("%s{{baseName}}%s%s", prefix, suffix,
+              "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix))));
+        }
+      }
+    }
+    {{/items.isModel}}
+    {{/isMap}}
+    {{^isMap}}
+    {{#isPrimitiveType}}
+    if ({{getter}}() != null) {
+      try {
+        joiner.add(String.format("%s{{{baseName}}}%s=%s", prefix, suffix, URLEncoder.encode(String.valueOf({{{getter}}}()), "UTF-8").replaceAll("\\+", "%20")));
+      } catch (UnsupportedEncodingException e) {
+        // Should never happen, UTF-8 is always supported
+        throw new RuntimeException(e);
+      }
+    }
+    {{/isPrimitiveType}}
+    {{^isPrimitiveType}}
+    {{#isModel}}
+    if ({{getter}}() != null) {
+      joiner.add({{getter}}().toUrlQueryString(prefix + "{{{baseName}}}" + suffix));
+    }
+    {{/isModel}}
+    {{^isModel}}
+    if ({{getter}}() != null) {
+      try {
+        joiner.add(String.format("%s{{{baseName}}}%s=%s", prefix, suffix, URLEncoder.encode(String.valueOf({{{getter}}}()), "UTF-8").replaceAll("\\+", "%20")));
+      } catch (UnsupportedEncodingException e) {
+        // Should never happen, UTF-8 is always supported
+        throw new RuntimeException(e);
+      }
+    }
+    {{/isModel}}
+    {{/isPrimitiveType}}
+    {{/isMap}}
+    {{/isArray}}
+
+    {{/allVars}}
+    return joiner.toString();
+  }
+{{/supportUrlQuery}}
+{{#parcelableModel}}
+
+  public void writeToParcel(Parcel out, int flags) {
+{{#model}}
+{{#isArray}}
+    out.writeList(this);
+{{/isArray}}
+{{^isArray}}
+{{#parent}}
+    super.writeToParcel(out, flags);
+{{/parent}}
+{{#vars}}
+    out.writeValue({{name}});
+{{/vars}}
+{{/isArray}}
+{{/model}}
+  }
+
+  {{classname}}(Parcel in) {
+{{#isArray}}
+    in.readTypedList(this, {{arrayModelType}}.CREATOR);
+{{/isArray}}
+{{^isArray}}
+{{#parent}}
+    super(in);
+{{/parent}}
+{{#vars}}
+{{#isPrimitiveType}}
+    {{name}} = ({{{datatypeWithEnum}}})in.readValue(null);
+{{/isPrimitiveType}}
+{{^isPrimitiveType}}
+    {{name}} = ({{{datatypeWithEnum}}})in.readValue({{complexType}}.class.getClassLoader());
+{{/isPrimitiveType}}
+{{/vars}}
+{{/isArray}}
+  }
+
+  public int describeContents() {
+    return 0;
+  }
+
+  public static final Parcelable.Creator<{{classname}}> CREATOR = new Parcelable.Creator<{{classname}}>() {
+    public {{classname}} createFromParcel(Parcel in) {
+{{#model}}
+{{#isArray}}
+      {{classname}} result = new {{classname}}();
+      result.addAll(in.readArrayList({{arrayModelType}}.class.getClassLoader()));
+      return result;
+{{/isArray}}
+{{^isArray}}
+      return new {{classname}}(in);
+{{/isArray}}
+{{/model}}
+    }
+    public {{classname}}[] newArray(int size) {
+      return new {{classname}}[size];
+    }
+  };
+{{/parcelableModel}}
+{{#generateBuilders}}
+
+  {{>javaBuilder}}
+{{/generateBuilders}}
+
+}
diff --git a/sdks/java-v1/templates/model.mustache b/sdks/java-v1/templates/model.mustache
index b50416793..55e6678d2 100644
--- a/sdks/java-v1/templates/model.mustache
+++ b/sdks/java-v1/templates/model.mustache
@@ -49,8 +49,8 @@ import android.os.Parcelable;
 import android.os.Parcel;
 {{/parcelableModel}}
 {{#useBeanValidation}}
-import jakarta.validation.constraints.*;
-import jakarta.validation.Valid;
+import {{javaxPackage}}.validation.constraints.*;
+import {{javaxPackage}}.validation.Valid;
 {{/useBeanValidation}}
 {{#performBeanValidation}}
 import org.hibernate.validator.constraints.*;
diff --git a/sdks/java-v1/templates/modelInnerEnum.mustache b/sdks/java-v1/templates/modelInnerEnum.mustache
index 0096d8407..f87524099 100644
--- a/sdks/java-v1/templates/modelInnerEnum.mustache
+++ b/sdks/java-v1/templates/modelInnerEnum.mustache
@@ -23,7 +23,7 @@
     {{#withXml}}
     @XmlEnumValue({{#isInteger}}"{{/isInteger}}{{#isDouble}}"{{/isDouble}}{{#isLong}}"{{/isLong}}{{#isFloat}}"{{/isFloat}}{{{value}}}{{#isInteger}}"{{/isInteger}}{{#isDouble}}"{{/isDouble}}{{#isLong}}"{{/isLong}}{{#isFloat}}"{{/isFloat}})
     {{/withXml}}
-    {{{name}}}({{{value}}}){{^-last}},
+    {{{name}}}({{^isUri}}{{dataType}}.valueOf({{/isUri}}{{{value}}}{{^isUri}}){{/isUri}}){{^-last}},
     {{/-last}}{{#-last}};{{/-last}}
       {{/enumVars}}
     {{/allowableValues}}
diff --git a/sdks/java-v1/templates/nullable_var_annotations.mustache b/sdks/java-v1/templates/nullable_var_annotations.mustache
new file mode 100644
index 000000000..7dbaf4029
--- /dev/null
+++ b/sdks/java-v1/templates/nullable_var_annotations.mustache
@@ -0,0 +1 @@
+{{#required}}{{#isNullable}}@{{javaxPackage}}.annotation.Nullable{{/isNullable}}{{^isNullable}}@{{javaxPackage}}.annotation.Nonnull{{/isNullable}}{{/required}}{{^required}}@{{javaxPackage}}.annotation.Nullable{{/required}}
\ No newline at end of file
diff --git a/sdks/java-v1/templates/pojo.mustache b/sdks/java-v1/templates/pojo.mustache
index 05be7e5c5..09482dd66 100644
--- a/sdks/java-v1/templates/pojo.mustache
+++ b/sdks/java-v1/templates/pojo.mustache
@@ -65,6 +65,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   {{#gson}}
   @SerializedName(SERIALIZED_NAME_{{nameInSnakeCase}})
   {{/gson}}
+  {{>nullable_var_annotations}}
   {{#vendorExtensions.x-field-extra-annotation}}
   {{{vendorExtensions.x-field-extra-annotation}}}
   {{/vendorExtensions.x-field-extra-annotation}}
@@ -134,7 +135,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
 
 {{#vars}}
   {{^isReadOnly}}
-  public {{classname}} {{name}}({{{datatypeWithEnum}}} {{name}}) {
+  public {{classname}} {{name}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
     {{#vendorExtensions.x-is-jackson-optional-nullable}}this.{{name}} = JsonNullable.<{{{datatypeWithEnum}}}>of({{name}});{{/vendorExtensions.x-is-jackson-optional-nullable}}
     {{^vendorExtensions.x-is-jackson-optional-nullable}}this.{{name}} = {{name}};{{/vendorExtensions.x-is-jackson-optional-nullable}}
     return this;
@@ -210,17 +211,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
 {{#deprecated}}
   @Deprecated
 {{/deprecated}}
-{{#required}}
-{{#isNullable}}
-  @{{javaxPackage}}.annotation.Nullable
-{{/isNullable}}
-{{^isNullable}}
-  @{{javaxPackage}}.annotation.Nonnull
-{{/isNullable}}
-{{/required}}
-{{^required}}
-  @{{javaxPackage}}.annotation.Nullable
-{{/required}}
+  {{>nullable_var_annotations}}
 {{#jsonb}}
   @JsonbProperty("{{baseName}}")
 {{/jsonb}}
@@ -270,7 +261,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
 
   {{^isReadOnly}}
 {{#vendorExtensions.x-setter-extra-annotation}}  {{{vendorExtensions.x-setter-extra-annotation}}}
-{{/vendorExtensions.x-setter-extra-annotation}}{{#jackson}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{> jackson_annotations}}{{/vendorExtensions.x-is-jackson-optional-nullable}}{{/jackson}}  public void {{setter}}({{{datatypeWithEnum}}} {{name}}) {
+{{/vendorExtensions.x-setter-extra-annotation}}{{#jackson}}{{^vendorExtensions.x-is-jackson-optional-nullable}}{{> jackson_annotations}}{{/vendorExtensions.x-is-jackson-optional-nullable}}{{/jackson}}  public void {{setter}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
     {{#vendorExtensions.x-is-jackson-optional-nullable}}
     this.{{name}} = JsonNullable.<{{{datatypeWithEnum}}}>of({{name}});
     {{/vendorExtensions.x-is-jackson-optional-nullable}}
@@ -285,7 +276,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   {{#readWriteVars}}
   {{#isOverridden}}
   @Override
-  public {{classname}} {{name}}({{{datatypeWithEnum}}} {{name}}) {
+  public {{classname}} {{name}}({{>nullable_var_annotations}} {{{datatypeWithEnum}}} {{name}}) {
     {{#vendorExtensions.x-is-jackson-optional-nullable}}
     this.{{setter}}(JsonNullable.<{{{datatypeWithEnum}}}>of({{name}}));
     {{/vendorExtensions.x-is-jackson-optional-nullable}}
@@ -404,7 +395,7 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
     {{#uniqueItems}}
     if ({{getter}}() != null) {
       int i = 0;
-      for ({{{items.dataType}}} _item : {{getter}}()) {
+      for ({{{items.datatypeWithEnum}}} _item : {{getter}}()) {
         try {
           joiner.add(String.format("%s{{baseName}}%s%s=%s", prefix, suffix,
               "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
diff --git a/sdks/java-v1/templates/pom.mustache b/sdks/java-v1/templates/pom.mustache
index b733ab9bb..c46bc598e 100644
--- a/sdks/java-v1/templates/pom.mustache
+++ b/sdks/java-v1/templates/pom.mustache
@@ -289,12 +289,12 @@
         {{/useJakartaEe}}
         {{#withXml}}
 
-            <!-- XML processing: Jackson -->
-            <dependency>
-                <groupId>com.fasterxml.jackson.dataformat</groupId>
-                <artifactId>jackson-dataformat-xml</artifactId>
-                <version>${jackson-version}</version>
-            </dependency>
+        <!-- XML processing: Jackson -->
+        <dependency>
+            <groupId>com.fasterxml.jackson.dataformat</groupId>
+            <artifactId>jackson-dataformat-xml</artifactId>
+            <version>${jackson-version}</version>
+        </dependency>
 
         {{/withXml}}
         {{#joda}}
@@ -341,6 +341,15 @@
             <version>${jakarta-annotation-version}</version>
             <scope>provided</scope>
         </dependency>
+        {{#useReflectionEqualsHashCode}}
+        <!-- For equals and hashCode using reflection -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3-version}</version>
+        </dependency>
+        {{/useReflectionEqualsHashCode}}
+
         <!-- test dependencies -->
         <dependency>
             <groupId>org.junit.jupiter</groupId>
@@ -368,13 +377,15 @@
         <jackson-databind-version>2.17.1</jackson-databind-version>
         {{#useJakartaEe}}
         <jakarta-annotation-version>2.1.1</jakarta-annotation-version>
+        <beanvalidation-version>3.0.2</beanvalidation-version>
         {{/useJakartaEe}}
         {{^useJakartaEe}}
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
+        <beanvalidation-version>2.0.2</beanvalidation-version>
         {{/useJakartaEe}}
-{{#useBeanValidation}}
-        <beanvalidation-version>3.0.2</beanvalidation-version>
-{{/useBeanValidation}}
+        {{#useReflectionEqualsHashCode}}
+        <commons-lang3-version>3.17.0</commons-lang3-version>
+        {{/useReflectionEqualsHashCode}}
         <maven-plugin-version>1.0.0</maven-plugin-version>
         <junit-version>5.10.2</junit-version>
         <junit-platform-runner.version>1.10.0</junit-platform-runner.version>
diff --git a/sdks/java-v1/templates/typeInfoAnnotation.mustache b/sdks/java-v1/templates/typeInfoAnnotation.mustache
index c21efb490..07f77c75c 100644
--- a/sdks/java-v1/templates/typeInfoAnnotation.mustache
+++ b/sdks/java-v1/templates/typeInfoAnnotation.mustache
@@ -26,3 +26,9 @@
 {{/-last}}
 {{/discriminator.mappedModels}}
 {{/jackson}}
+{{#jsonbPolymorphism}}
+@JsonbTypeInfo(key = "{{{discriminator.propertyBaseName}}}"{{#discriminator.mappedModels}}{{#-first}}, value = {
+{{/-first}}
+  @JsonbSubtype(alias = "{{^vendorExtensions.x-discriminator-value}}{{mappingName}}{{/vendorExtensions.x-discriminator-value}}{{#vendorExtensions.x-discriminator-value}}{{{vendorExtensions.x-discriminator-value}}}{{/vendorExtensions.x-discriminator-value}}", type = {{modelName}}.class),
+{{#-last}}
+}{{/-last}}{{/discriminator.mappedModels}}){{/jsonbPolymorphism}}
\ No newline at end of file