controller n'acceptant pas legacykernel

gistfile1.txt

<?php
namespace Sise\DesignBundle\Controller;

Use Symfony\Component\HttpFoundation\JsonResponse;

use Symfony\Component\HttpFoundation\Request;

use Symfony\Component\HttpFoundation\Response,
Symfony\Bundle\FrameworkBundle\Controller\Controller,
 eZ\Publish\Core\MVC\Symfony\Controller\Content\ViewController as APIViewController;

use eZ\Publish\API\Repository\Values\Content\Query;
use eZ\Publish\API\Repository\Values\Content\Query\Criterion;
use eZ\Publish\API\Repository\Values\Content\Query\SortClause;
use eZ\Publish\API\Repository\Values\Content\Query\FacetBuilder;
use eZ\Publish\API\Repository\Values\Content\Search\SearchResult;
use Closure;

class EventsController extends APIViewController {

// ...

}