gridrequestfactory.php

См. документацию.

<?php
 
namespace Bitrix\Main\Grid\UI\Request;
 
use Bitrix\Main\Grid\UI\GridRequest;
use Bitrix\Main\HttpRequest;
 
class GridRequestFactory
{
    public function createFromRequest(HttpRequest $request): GridRequest
    {
        return new GridRequest($request);
    }
}