add composer's vendor directory

vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseInterface.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace OAuth2;
+
+/**
+ * Interface which represents an object response.  Meant to handle and display the proper OAuth2 Responses
+ * for errors and successes
+ *
+ * @see OAuth2\Response
+ */
+interface ResponseInterface
+{
+    public function addParameters(array $parameters);
+
+    public function addHttpHeaders(array $httpHeaders);
+
+    public function setStatusCode($statusCode);
+
+    public function setError($statusCode, $name, $description = null, $uri = null);
+
+    public function setRedirect($statusCode, $url, $state = null, $error = null, $errorDescription = null, $errorUri = null);
+
+    public function getParameter($name);
+}