the latest code

vendor/symfony/http-kernel/Exception/HttpExceptionInterface.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\HttpKernel\Exception;
+
+/**
+ * Interface for HTTP error exceptions.
+ *
+ * @author Kris Wallsmith <kris@symfony.com>
+ */
+interface HttpExceptionInterface extends \Throwable
+{
+    /**
+     * Returns the status code.
+     */
+    public function getStatusCode(): int;
+
+    /**
+     * Returns response headers.
+     */
+    public function getHeaders(): array;
+}