Edit File: ServiceSubscriberInterface.php
<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\DependencyInjection; use Symfony\Contracts\Service\ServiceSubscriberInterface as BaseServiceSubscriberInterface; /** * {@inheritdoc} * * @deprecated since Symfony 4.2, use Symfony\Contracts\Service\ServiceSubscriberInterface instead. */ interface ServiceSubscriberInterface extends BaseServiceSubscriberInterface { }