protected function getNamespaceQueriableList($factory = null)
{
$factory = $this->completeFactory($factory);
$list = $this->getNamespaceList($factory);
$list->registerQuery(Horde_Kolab_Storage_List::QUERY_BASE, new Horde_Kolab_Storage_List_Query_List_Base($list, array('factory' => $factory)));
return $list;
}