protected function getDP()
{
$query = (new \yii\db\ActiveQuery(Model::class))->select(['*', 'countDuplicates' => Model::getCountDuplicatesExpression()]);
$dataProvider = new \yii\data\ActiveDataProvider(['query' => $query, 'pagination' => ['pageSize' => \Yii::$app->params['defaultPageSize'], 'defaultPageSize' => \Yii::$app->params['defaultPageSize']], 'sort' => ['defaultOrder' => ['id' => SORT_ASC]]]);
return $dataProvider;
}
