1111class SparkPost
1212{
1313 /**
14- * @var string Library version, used for setting User-Agent.
14+ * @var string Library version, used for setting User-Agent
1515 */
1616 private $ version = '2.0.3 ' ;
1717
1818 /**
19- * @var HttpClient|HttpAsyncClient used to make requests.
19+ * @var HttpClient|HttpAsyncClient used to make requests
2020 */
2121 private $ httpClient ;
2222
@@ -26,7 +26,7 @@ class SparkPost
2626 private $ messageFactory ;
2727
2828 /**
29- * @var array Options for requests.
29+ * @var array Options for requests
3030 */
3131 private $ options ;
3232
@@ -40,11 +40,11 @@ class SparkPost
4040 'key ' => '' ,
4141 'version ' => 'v1 ' ,
4242 'async ' => true ,
43- 'debug ' => false
43+ 'debug ' => false ,
4444 ];
4545
4646 /**
47- * @var Transmission Instance of Transmission class.
47+ * @var Transmission Instance of Transmission class
4848 */
4949 public $ transmissions ;
5050
@@ -161,14 +161,15 @@ public function buildRequestValues($method, $uri, $payload, $headers)
161161 'method ' => $ method ,
162162 'url ' => $ url ,
163163 'headers ' => $ headers ,
164- 'body ' => $ body
164+ 'body ' => $ body,
165165 ];
166166 }
167167
168168 /**
169- * Build RequestInterface from given params
169+ * Build RequestInterface from given params.
170170 *
171171 * @param array $requestValues
172+ *
172173 * @return RequestInterface
173174 */
174175 public function buildRequest ($ method , $ uri , $ headers , $ body )
@@ -266,9 +267,10 @@ public function setOptions($options)
266267 }
267268
268269 /**
269- * Returns the given value if debugging, an empty instance otherwise
270+ * Returns the given value if debugging, an empty instance otherwise.
270271 *
271272 * @param any $param
273+ *
272274 * @return any $param
273275 */
274276 private function ifDebug ($ param )
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