1 files changed, 49 insertions, 0 deletions
diff --git a/lib/facebook-graph-sdk/src/Facebook/PersistentData/PersistentDataInterface.php b/lib/facebook-graph-sdk/src/Facebook/PersistentData/PersistentDataInterface.php
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index 0000000..bd7e072
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+++ b/lib/facebook-graph-sdk/src/Facebook/PersistentData/PersistentDataInterface.php
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+<?php
+/**
+ * Copyright 2014 Facebook, Inc.
+ *
+ * You are hereby granted a non-exclusive, worldwide, royalty-free license to
+ * use, copy, modify, and distribute this software in source code or binary
+ * form for use in connection with the web services and APIs provided by
+ * Facebook.
+ *
+ * As with any software that integrates with the Facebook platform, your use
+ * of this software is subject to the Facebook Developer Principles and
+ * Policies [http://developers.facebook.com/policy/]. This copyright notice
+ * shall be included in all copies or substantial portions of the software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+namespace Facebook\PersistentData;
+
+/**
+ * Interface PersistentDataInterface
+ *
+ * @package Facebook
+ */
+interface PersistentDataInterface
+{
+    /**
+     * Get a value from a persistent data store.
+     *
+     * @param string $key
+     *
+     * @return mixed
+     */
+    public function get($key);
+
+    /**
+     * Set a value in the persistent data store.
+     *
+     * @param string $key
+     * @param mixed  $value
+     */
+    public function set($key, $value);
+}