/**
  * Lists all User models.
  * @return mixed
  */
 public function actionIndex()
 {
     $this->actionDescription = $this->indexActionDescription;
     $dataProvider = $this->modelSearch->search($this->getRequest()->queryParams);
     return $this->render('index', ['searchModel' => $this->modelSearch, 'dataProvider' => $dataProvider]);
 }