/**
  * 
  */
 public function searchUnlink($model, $params)
 {
     $query = Statuses::find()->where(['and', ['not', ['id' => $model->id]], ['doc_type' => $model->doc_type]]);
     $dataProvider = new ActiveDataProvider(['query' => $query]);
     $this->load($params);
     if (!$this->validate()) {
         return $dataProvider;
     }
     $query->andFilterWhere(['like', 'name', $this->name])->andFilterWhere(['like', 'symbolic_id', $this->symbolic_id]);
     return $dataProvider;
 }