public function actions()
 {
     return array_merge(parent::actions(), ['create' => TreeCreateAction::className(), 'delete' => TreeDeleteAction::className(), 'tree-move' => TreeMoveAction::className(), 'tree-update' => TreeUpdateAction::className()]);
 }
 public function actions()
 {
     return array_intersect_key(parent::actions(), ['index' => '', 'view' => '']);
 }