From 99aadb31ff446b8b515014d018fe8b807b2c5059 Mon Sep 17 00:00:00 2001
From: Alessandro Lai <alessandro.lai85@gmail.com>
Date: Wed, 5 May 2021 09:40:41 +0200
Subject: [PATCH] getProtocolVersion may return null

---
 src/Symfony/Component/HttpFoundation/Request.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Symfony/Component/HttpFoundation/Request.php b/src/Symfony/Component/HttpFoundation/Request.php
index 0d5a1110ad..cf6ebbc0b0 100644
--- a/src/Symfony/Component/HttpFoundation/Request.php
+++ b/src/Symfony/Component/HttpFoundation/Request.php
@@ -1497,7 +1497,7 @@ class Request
      * if the proxy is trusted (see "setTrustedProxies()"), otherwise it returns
      * the latter (from the "SERVER_PROTOCOL" server parameter).
      *
-     * @return string
+     * @return string|null
      */
     public function getProtocolVersion()
     {