OAuth2 client credentials flow with cache

CloudObjects/SDK/CustomCacheAndLogInterface.php

@@ -0,0 +1,17 @@
+<?php
+
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+ 
+namespace CloudObjects\SDK;
+
+interface CustomCacheAndLogInterface {
+
+    public function logInfoWithTime($message, $ts);
+    
+    public function getFromCacheCustom($id);
+
+	public function putIntoCacheCustom($id, $data, $ttl);
+
+}