php 8.1 compat

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++;