--- /dev/null
+<?php
+
+/*
+ * This file is part of the Symfony CMF package.
+ *
+ * (c) 2011-2015 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;
+use Symfony\Component\Routing\Matcher\RequestMatcherInterface;
+
+/**
+ * Interface for a router that proxies routing to other routers.
+ *
+ * @author Daniel Wehner <dawehner@googlemail.com>
+ */
+interface ChainRouterInterface extends RouterInterface, RequestMatcherInterface
+{
+ /**
+ * Add a Router to the index.
+ *
+ * @param RouterInterface $router The router instance. Instead of RouterInterface, may also
+ * be RequestMatcherInterface and UrlGeneratorInterface.
+ * @param int $priority The priority
+ */
+ public function add($router, $priority = 0);
+
+ /**
+ * Sorts the routers and flattens them.
+ *
+ * @return RouterInterface[] or RequestMatcherInterface and UrlGeneratorInterface.
+ */
+ public function all();
+}