+/**
+ * @file mod/group.php
+ * @brief The group module (create and rename contact groups, add and
+ * remove contacts to the contact groups
+ */
+
+use Friendica\App;
+use Friendica\BaseModule;
+use Friendica\Core\Config;
+use Friendica\Core\L10n;
+use Friendica\Core\PConfig;
+use Friendica\Core\Renderer;
+use Friendica\Core\System;
+use Friendica\Database\DBA;
+use Friendica\Model;
+use Friendica\Module;
+use Friendica\Util\Security;
+use Friendica\Util\Strings;