+ /**
+ * The input stream to use when retrieving the request body. Defaults to
+ * php://input, but can be set to another value in order to force usage
+ * of another input method. This should primarily be used for testing
+ * purposes.
+ *
+ * @var string|resource String indicates a filename or stream to open;
+ * resource indicates an already created stream to use.
+ */
+ protected $inputStream = 'php://input';
+