From 026c74820877d35b24fa3996aa05d4f10f6fce4f Mon Sep 17 00:00:00 2001
From: Vincent Langlet <vincentlanglet@hotmail.fr>
Date: Sun, 29 May 2022 10:53:10 +0200
Subject: [PATCH] Introduce FlashBagAwareSessionInterface

---
 .../Session/FlashBagAwareSessionInterface.php | 22 +++++++++++++++++++
 .../HttpFoundation/Session/Session.php        |  2 +-
 2 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 src/Symfony/Component/HttpFoundation/Session/FlashBagAwareSessionInterface.php

diff --git a/src/Symfony/Component/HttpFoundation/Session/FlashBagAwareSessionInterface.php b/src/Symfony/Component/HttpFoundation/Session/FlashBagAwareSessionInterface.php
new file mode 100644
index 0000000000000..90151d38d1c13
--- /dev/null
+++ b/src/Symfony/Component/HttpFoundation/Session/FlashBagAwareSessionInterface.php
@@ -0,0 +1,22 @@
+<?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\HttpFoundation\Session;
+
+use Symfony\Component\HttpFoundation\Session\Flash\FlashBagInterface;
+
+/**
+ * Interface for session with a flashbag.
+ */
+interface FlashBagAwareSessionInterface extends SessionInterface
+{
+    public function getFlashBag(): FlashBagInterface;
+}
diff --git a/src/Symfony/Component/HttpFoundation/Session/Session.php b/src/Symfony/Component/HttpFoundation/Session/Session.php
index 4e17e7efc90ff..33a915ba61b53 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Session.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Session.php
@@ -30,7 +30,7 @@ class_exists(SessionBagProxy::class);
  *
  * @implements \IteratorAggregate<string, mixed>
  */
-class Session implements SessionInterface, \IteratorAggregate, \Countable
+class Session implements FlashBagAwareSessionInterface, \IteratorAggregate, \Countable
 {
     protected $storage;