Drupal 8.0.0 beta 12. More info: https://www.drupal.org/node/2514176

core/vendor/symfony-cmf/routing/ChainedRouterInterface.php

@@ -0,0 +1,21 @@
+<?php
+
+/*
+ * This file is part of the Symfony CMF package.
+ *
+ * (c) 2011-2014 Symfony CMF
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Cmf\Component\Routing;
+
+use Symfony\Component\Routing\RouterInterface;
+
+/**
+ * Interface to combine the VersatileGeneratorInterface with the RouterInterface.
+ */
+interface ChainedRouterInterface extends RouterInterface, VersatileGeneratorInterface
+{
+}