Merge branch '4.4'

* 4.4:
  sync phpunit script with master
  [HttpFoundation] allow additinal characters in not raw cookies
  [Console] Deprecate abbreviating hidden command names using  Application->find()
  Do not include hidden commands in suggested alternatives
  [Messenger] Improve error message when routing to an invalid transport (closes #31613)
  [DependencyInjection] Fix wrong exception when service is synthetic
  [Security] add "anonymous: lazy" mode to firewalls

Author: nicolas-grekas

Authentication/Token/Storage/TokenStorage.php

@@ -25,12 +25,18 @@
 class TokenStorage implements TokenStorageInterface, ResetInterface
 {
     private $token;
+    private $initializer;
 
     /**
      * {@inheritdoc}
      */
     public function getToken()
     {
+        if ($initializer = $this->initializer) {
+            $this->initializer = null;
+            $initializer();
+        }
+
         return $this->token;
     }
 
@@ -39,9 +45,15 @@ public function getToken()
      */
     public function setToken(TokenInterface $token = null)
     {
+        $this->initializer = null;
         $this->token = $token;
     }
 
+    public function setInitializer(?callable $initializer): void
+    {
+        $this->initializer = $initializer;
+    }
+
     public function reset()
     {
         $this->setToken(null);

Exception/LazyResponseException.php

@@ -0,0 +1,34 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Security\Core\Exception;
+
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * A signaling exception that wraps a lazily computed response.
+ *
+ * @author Nicolas Grekas <[email protected]>
+ */
+class LazyResponseException extends \Exception implements ExceptionInterface
+{
+    private $response;
+
+    public function __construct(Response $response)
+    {
+        $this->response = $response;
+    }
+
+    public function getResponse(): Response
+    {
+        return $this->response;
+    }
+}