yii2-app-basic/app/controllers/dektriumuser/RegistrationController.php

<?php
/**
 * Created by PhpStorm.
 * User: slava
 * Date: 13.04.17
 * Time: 10:37
 */

namespace app\controllers\dektriumuser;

use dektrium\user\controllers\RegistrationController as BaseRegistrationController;


class RegistrationController extends BaseRegistrationController
{

}