--- /dev/null
+<?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;
+
+/**
+ * ContainerAwareInterface should be implemented by classes that depends on a Container.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface ContainerAwareInterface
+{
+ /**
+ * Sets the container.
+ *
+ * @param ContainerInterface|null $container A ContainerInterface instance or null
+ */
+ public function setContainer(ContainerInterface $container = null);
+}