--- /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;
+
+/**
+ * ContainerAware trait.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+trait ContainerAwareTrait
+{
+ /**
+ * @var ContainerInterface
+ */
+ protected $container;
+
+ /**
+ * Sets the container.
+ *
+ * @param ContainerInterface|null $container A ContainerInterface instance or null
+ */
+ public function setContainer(ContainerInterface $container = null)
+ {
+ $this->container = $container;
+ }
+}