MQE-424: Fix static code issues in MFTF tests and MFTF

Author: okolesnyk

src/Magento/FunctionalTestingFramework/DataGenerator/Persist/Curl/AdminExecutor.php

@@ -103,7 +103,7 @@ private function setFormKey()
      * @param string $url
      * @param array $data
      * @param string $method
-     * @param mixed $headers
+     * @param array $headers
      * @return void
      * @throws TestFrameworkException
      */
@@ -162,7 +162,7 @@ public function read($successRegex = null, $returnRegex = null)
      * Add additional option to cURL.
      *
      * @param int $option the CURLOPT_* constants
-     * @param mixed $value
+     * @param int|string|bool|array $value
      * @return void
      */
     public function addOption($option, $value)

src/Magento/FunctionalTestingFramework/DataGenerator/Persist/Curl/WebapiExecutor.php

@@ -109,7 +109,7 @@ public function write($url, $data = [], $method = CurlInterface::POST, $headers
      *
      * @param string $successRegex
      * @param string $returnRegex
-     * @return mixed
+     * @return string
      */
     public function read($successRegex = null, $returnRegex = null)
     {
@@ -121,7 +121,7 @@ public function read($successRegex = null, $returnRegex = null)
      * Add additional option to cURL.
      *
      * @param  int $option the CURLOPT_* constants
-     * @param  mixed $value
+     * @param  int|string|bool|array $value
      * @return void
      */
     public function addOption($option, $value)

src/Magento/FunctionalTestingFramework/DataGenerator/Persist/DataPersistenceHandler.php

@@ -119,7 +119,7 @@ public function getCreatedDataByName($dataName)
     /**
      * Save created entity.
      *
-     * @param mixed $response
+     * @param string|array $response
      * @param array $requestDataArray
      * @param bool $isJson
      * @return void

src/Magento/FunctionalTestingFramework/Util/Protocol/CurlInterface.php

@@ -23,7 +23,7 @@ interface CurlInterface
      * Add additional option to cURL.
      *
      * @param int $option
-     * @param mixed $value
+     * @param int|string|bool|array $value
      * @return $this
      */
     public function addOption($option, $value);
@@ -32,9 +32,9 @@ public function addOption($option, $value);
      * Send request to the remote server.
      *
      * @param string $url
-     * @param mixed $body
+     * @param array $body
      * @param string $method
-     * @param mixed $headers
+     * @param array $headers
      * @return void
      */
     public function write($url, $body = [], $method = CurlInterface::POST, $headers = []);
@@ -44,7 +44,7 @@ public function write($url, $body = [], $method = CurlInterface::POST, $headers
      *
      * @param string $successRegex
      * @param string $returnRegex
-     * @return mixed
+     * @return string|array
      */
     public function read($successRegex = null, $returnRegex = null);
 

src/Magento/FunctionalTestingFramework/Util/Protocol/CurlTransport.php

@@ -93,7 +93,7 @@ public function setOptions(array $options = [])
      * Add additional option to cURL.
      *
      * @param int $option
-     * @param mixed $value
+     * @param int|string|bool|array $value
      * @return $this
      */
     public function addOption($option, $value)
@@ -118,9 +118,9 @@ public function setConfig(array $config = [])
      * Send request to the remote server.
      *
      * @param string $url
-     * @param mixed $body
+     * @param array $body
      * @param string $method
-     * @param mixed $headers
+     * @param array $headers
      * @return void
      * @throws TestFrameworkException
      */
@@ -228,7 +228,7 @@ public function getError()
      * Get information regarding a specific transfer.
      *
      * @param int $opt CURLINFO option
-     * @return mixed
+     * @return string|array
      */
     public function getInfo($opt = 0)
     {