Edit File: ConfigurationExtensionInterface.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\Extension; use Symfony\Component\Config\Definition\ConfigurationInterface; use Symfony\Component\DependencyInjection\ContainerBuilder; /** * ConfigurationExtensionInterface is the interface implemented by container extension classes. * * @author Kevin Bond <kevinbond@gmail.com> */ interface ConfigurationExtensionInterface { /** * Returns extension configuration. * * @return ConfigurationInterface|null The configuration or null */ public function getConfiguration(array $config, ContainerBuilder $container); }