--- /dev/null
+<?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\DataCollector;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * DataCollectorInterface.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface DataCollectorInterface
+{
+ /**
+ * Collects data for the given Request and Response.
+ *
+ * @param Request $request A Request instance
+ * @param Response $response A Response instance
+ * @param \Exception $exception An Exception instance
+ */
+ public function collect(Request $request, Response $response, \Exception $exception = null);
+
+ /**
+ * Returns the name of the collector.
+ *
+ * @return string The collector name
+ */
+ public function getName();
+}