php 8.1 compat

Author: romainmenke

lib/aws-sdk/Guzzle/Http/Message/Header/HeaderCollection.php

@@ -74,7 +74,7 @@ public function offsetExists($offset): bool
         return isset($this->headers[strtolower($offset)]);
     }
 
-    public function offsetGet($offset)
+    public function offsetGet($offset): mixed
     {
         $l = strtolower($offset);
 

lib/aws-sdk/Guzzle/Http/Message/Response.php

@@ -175,6 +175,20 @@ public function unserialize($serialize)
         $this->__construct($data['status'], $data['headers'], $data['body']);
     }
 
+    public function __serialize(): array
+    {
+        return array(
+            'status'  => $this->statusCode,
+            'body'    => (string) $this->body,
+            'headers' => $this->headers->toArray()
+        );
+    }
+
+    public function __unserialize(array $data): void
+    {
+        $this->__construct($data['status'], $data['headers'], $data['body']);
+    }
+
     /**
      * Get the response entity body
      *

lib/aws-sdk/Guzzle/Service/Resource/ResourceIterator.php

@@ -121,17 +121,17 @@ public function set($key, $value)
         return $this;
     }
 
-    public function current()
+    public function current(): mixed
     {
         return $this->resources ? current($this->resources) : false;
     }
 
-    public function key()
+    public function key(): mixed
     {
         return max(0, $this->iteratedCount - 1);
     }
 
-    public function count()
+    public function count(): int
     {
         return $this->retrievedCount;
     }
@@ -149,21 +149,21 @@ public function getRequestCount()
     /**
      * Rewind the Iterator to the first element and send the original command
      */
-    public function rewind()
+    public function rewind(): void
     {
         // Use the original command
         $this->command = clone $this->originalCommand;
         $this->resetState();
         $this->next();
     }
 
-    public function valid()
+    public function valid(): bool
     {
         return !$this->invalid && (!$this->resources || $this->current() || $this->nextToken)
             && (!$this->limit || $this->iteratedCount < $this->limit + 1);
     }
 
-    public function next()
+    public function next(): void
     {
         $this->iteratedCount++;