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

vendor/symfony/http-kernel/Log/DebugLoggerInterface.php

@@ -0,0 +1,38 @@
+<?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\Log;
+
+/**
+ * DebugLoggerInterface.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface DebugLoggerInterface
+{
+    /**
+     * Returns an array of logs.
+     *
+     * A log is an array with the following mandatory keys:
+     * timestamp, message, priority, and priorityName.
+     * It can also have an optional context key containing an array.
+     *
+     * @return array An array of logs
+     */
+    public function getLogs();
+
+    /**
+     * Returns the number of errors.
+     *
+     * @return int The number of errors
+     */
+    public function countErrors();
+}