diff -r 806e57d67020 -r e54dfe4d0b2b vendor/bundles/FOS/UserBundle/Model/GroupManagerInterface.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/bundles/FOS/UserBundle/Model/GroupManagerInterface.php	Fri Sep 30 11:24:53 2011 +0200
@@ -0,0 +1,76 @@
+<?php
+
+/*
+ * This file is part of the FOSUserBundle package.
+ *
+ * (c) FriendsOfSymfony <http://friendsofsymfony.github.com/>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace FOS\UserBundle\Model;
+
+/**
+ * Interface to be implemented by group managers. This adds an additional level
+ * of abstraction between your application, and the actual repository.
+ *
+ * All changes to groups should happen through this interface.
+ *
+ * @author Christophe Coevoet <stof@notk.org>
+ */
+interface GroupManagerInterface
+{
+    /**
+     * Returns an empty group instance.
+     *
+     * @param string $name
+     * @return GroupInterface
+     */
+    function createGroup($name);
+
+    /**
+     * Deletes a group.
+     *
+     * @param GroupInterface $group
+     * @return void
+     */
+    function deleteGroup(GroupInterface $group);
+
+    /**
+     * Finds one group by the given criteria.
+     *
+     * @param array $criteria
+     * @return GroupInterface
+     */
+    function findGroupBy(array $criteria);
+
+    /**
+     * Finds a group by name.
+     *
+     * @param string $name
+     * @return GroupInterface
+     */
+    function findGroupByName($name);
+
+    /**
+     * Returns a collection with all user instances.
+     *
+     * @return \Traversable
+     */
+    function findGroups();
+
+    /**
+     * Returns the group's fully qualified class name.
+     *
+     * @return string
+     */
+    function getClass();
+
+    /**
+     * Updates a group.
+     *
+     * @param GroupInterface $group
+     */
+    function updateGroup(GroupInterface $group);
+}