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

vendor/symfony/http-kernel/Event/KernelEvent.php

@@ -0,0 +1,104 @@
+<?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\HttpKernel\Event;
+
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\EventDispatcher\Event;
+
+/**
+ * Base class for events thrown in the HttpKernel component.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ *
+ * @api
+ */
+class KernelEvent extends Event
+{
+    /**
+     * The kernel in which this event was thrown.
+     *
+     * @var HttpKernelInterface
+     */
+    private $kernel;
+
+    /**
+     * The request the kernel is currently processing.
+     *
+     * @var Request
+     */
+    private $request;
+
+    /**
+     * The request type the kernel is currently processing.  One of
+     * HttpKernelInterface::MASTER_REQUEST and HttpKernelInterface::SUB_REQUEST.
+     *
+     * @var int
+     */
+    private $requestType;
+
+    public function __construct(HttpKernelInterface $kernel, Request $request, $requestType)
+    {
+        $this->kernel = $kernel;
+        $this->request = $request;
+        $this->requestType = $requestType;
+    }
+
+    /**
+     * Returns the kernel in which this event was thrown.
+     *
+     * @return HttpKernelInterface
+     *
+     * @api
+     */
+    public function getKernel()
+    {
+        return $this->kernel;
+    }
+
+    /**
+     * Returns the request the kernel is currently processing.
+     *
+     * @return Request
+     *
+     * @api
+     */
+    public function getRequest()
+    {
+        return $this->request;
+    }
+
+    /**
+     * Returns the request type the kernel is currently processing.
+     *
+     * @return int One of HttpKernelInterface::MASTER_REQUEST and
+     *             HttpKernelInterface::SUB_REQUEST
+     *
+     * @api
+     */
+    public function getRequestType()
+    {
+        return $this->requestType;
+    }
+
+    /**
+     * Checks if this is a master request.
+     *
+     * @return bool True if the request is a master request
+     *
+     * @api
+     */
+    public function isMasterRequest()
+    {
+        return HttpKernelInterface::MASTER_REQUEST === $this->requestType;
+    }
+}