Merge branch '5.1' into 5.2

* 5.1:
  Dont allow unserializing classes with a destructor
  Dont allow unserializing classes with a destructor - 4.4
  [Cache] fix possible collision when writing tmp file in filesystem adapter
  a colon followed by spaces exclusively separates mapping keys and values
  Contracts: Remove ellipsis
  fix handling float-like key attribute values
  Fix missing BCC recipients in SES bridge
  Dont allow unserializing classes with a destructor - 5.1

Author: nicolas-grekas

Chunk/ErrorChunk.php

@@ -120,6 +120,16 @@ public function didThrow(bool $didThrow = null): bool
         return $this->didThrow;
     }
 
+    public function __sleep()
+    {
+        throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
+    }
+
+    public function __wakeup()
+    {
+        throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
+    }
+
     public function __destruct()
     {
         if (!$this->didThrow) {

CurlHttpClient.php

@@ -367,6 +367,16 @@ public function reset()
         }
     }
 
+    public function __sleep()
+    {
+        throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
+    }
+
+    public function __wakeup()
+    {
+        throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
+    }
+
     public function __destruct()
     {
         $this->reset();

HttplugClient.php

@@ -218,6 +218,16 @@ public function createUri($uri): UriInterface
         throw new \LogicException(sprintf('You cannot use "%s()" as the "nyholm/psr7" package is not installed. Try running "composer require nyholm/psr7".', __METHOD__));
     }
 
+    public function __sleep()
+    {
+        throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
+    }
+
+    public function __wakeup()
+    {
+        throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
+    }
+
     public function __destruct()
     {
         $this->wait();

Response/AmpResponse.php

@@ -142,6 +142,16 @@ public function getInfo(string $type = null)
         return null !== $type ? $this->info[$type] ?? null : $this->info;
     }
 
+    public function __sleep()
+    {
+        throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
+    }
+
+    public function __wakeup()
+    {
+        throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
+    }
+
     public function __destruct()
     {
         try {