public function actionIndex()
    {
        $searchModel = Yii::createObject($this->getModelClass(static::KEY_SEARCH));
        $dataProvider = $searchModel->search(Yii::$app->request->queryParams);

        return $this->render($this->viewID, [
            'searchModel' => $searchModel,
            'dataProvider' => $dataProvider,
        ]);
    }