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

core/vendor/symfony/http-foundation/RequestMatcherInterface.php

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+<?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\HttpFoundation;
+
+/**
+ * RequestMatcherInterface is an interface for strategies to match a Request.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+interface RequestMatcherInterface
+{
+    /**
+     * Decides whether the rule(s) implemented by the strategy matches the supplied request.
+     *
+     * @param Request $request The request to check for a match
+     *
+     * @return bool true if the request matches, false otherwise
+     *
+     * @api
+     */
+    public function matches(Request $request);
+}