ldc-crm/app/Http/Controllers/BrandController.php

<?php

namespace App\Http\Controllers;

use App\Http\Controllers\Controller;
use App\Models\Brand;
use Kwaadpepper\CrudPolicies\Http\Requests\CrudIndexRequest;
use Kwaadpepper\CrudPolicies\Traits\CrudController;

class BrandController extends Controller
{
    use CrudController {
        index as crudIndex;
    }

    /** @var Brand */
    public static $modelClass = Brand::class;

    public static $layout = 'layouts.app';

    public function index(CrudIndexRequest $request)
    {
        /** @var \Illuminate\View\View */
        $view = $this->crudIndex($request);
        if ($request->ajax()) {
            return $view;
        }
        return view('brand.index', $view->getData());
    }
}