code cleanup

Author: bnasslahsen

springdoc-openapi-common/src/main/java/org/springdoc/core/IgnoredParameterAnnotations.java

@@ -1,9 +1,9 @@
 package org.springdoc.core;
 
-public interface IgnoredParameterAnnotations {
-
+interface IgnoredParameterAnnotations {
     default boolean isAnnotationToIgnore(java.lang.reflect.Parameter parameter) {
         return false;
     }
-
 }
+
+class IgnoredParameterAnnotationsDefault implements IgnoredParameterAnnotations { }

springdoc-openapi-common/src/main/java/org/springdoc/core/IgnoredParameterAnnotationsDefault.java

@@ -12,7 +12,7 @@ public class KotlinCoroutinesReturnTypeParser implements ReturnTypeParser {
     public Type getReturnType(Method method) {
         Type returnType = Object.class;
         Optional<Parameter> continuationParameter = Arrays.stream(method.getParameters())
-                .filter((parameter) -> parameter.getType().getCanonicalName().equals(Continuation.class.getCanonicalName()))
+                .filter(parameter -> parameter.getType().getCanonicalName().equals(Continuation.class.getCanonicalName()))
                 .findFirst();
         if (continuationParameter.isPresent()) {
             Type continuationType = continuationParameter.get().getParameterizedType();

springdoc-openapi-kotlin/src/main/java/org/springdoc/core/KotlinCoroutinesReturnTypeParser.java

@@ -1,12 +1,11 @@
 package test.org.springdoc.api.app15;
 
-import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.test.context.TestPropertySource;
-
 import io.swagger.v3.oas.annotations.OpenAPIDefinition;
 import io.swagger.v3.oas.annotations.info.Contact;
 import io.swagger.v3.oas.annotations.info.Info;
 import io.swagger.v3.oas.annotations.info.License;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.test.context.TestPropertySource;
 import test.org.springdoc.api.AbstractSpringDocTest;
 
 @TestPropertySource(properties = {