appadmin-demosss/app/Http/Controllers/BaseController.php

<?php
namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Dingo\Api\Routing\Helpers;
use App\Http\Controllers\Controller;

class BaseController extends Controller
{
    //
    use Helpers;

    /****
     * BaseController constructor.
     */
    public function __construct()
    {

    }
}