--- /dev/null
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Session;
+
+/**
+ * Session Bag store.
+ *
+ * @author Drak <drak@zikula.org>
+ */
+interface SessionBagInterface
+{
+ /**
+ * Gets this bag's name.
+ *
+ * @return string
+ */
+ public function getName();
+
+ /**
+ * Initializes the Bag.
+ *
+ * @param array $array
+ */
+ public function initialize(array &$array);
+
+ /**
+ * Gets the storage key for this bag.
+ *
+ * @return string
+ */
+ public function getStorageKey();
+
+ /**
+ * Clears out data from bag.
+ *
+ * @return mixed Whatever data was contained
+ */
+ public function clear();
+}