From 09c9bde479030773fdcf2be922af6af48962eb6c Mon Sep 17 00:00:00 2001
From: Olivier Dolbeau <github@a.bbnt.me>
Date: Wed, 30 Sep 2020 18:26:07 +0200
Subject: [PATCH] Can define ChatMessage transport to null

---
 src/Symfony/Component/Notifier/Message/ChatMessage.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Notifier/Message/ChatMessage.php b/src/Symfony/Component/Notifier/Message/ChatMessage.php
index f9b0b280c9..5fc1d94a3a 100644
--- a/src/Symfony/Component/Notifier/Message/ChatMessage.php
+++ b/src/Symfony/Component/Notifier/Message/ChatMessage.php
@@ -77,7 +77,7 @@ final class ChatMessage implements MessageInterface
     /**
      * @return $this
      */
-    public function transport(string $transport): self
+    public function transport(?string $transport): self
     {
         $this->transport = $transport;