Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/symfony/psr-http-message-bridge/HttpFoundationFactoryInterface.php

@@ -0,0 +1,43 @@
+<?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\Bridge\PsrHttpMessage;
+
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Message\ResponseInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * Creates Symfony Request and Response instances from PSR-7 ones.
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+interface HttpFoundationFactoryInterface
+{
+    /**
+     * Creates a Symfony Request instance from a PSR-7 one.
+     *
+     * @param ServerRequestInterface $psrRequest
+     *
+     * @return Request
+     */
+    public function createRequest(ServerRequestInterface $psrRequest);
+
+    /**
+     * Creates a Symfony Response instance from a PSR-7 one.
+     *
+     * @param ResponseInterface $psrResponse
+     *
+     * @return Response
+     */
+    public function createResponse(ResponseInterface $psrResponse);
+}