public function create(Context $context, $paramName)
 {
     $headers = $context->getRequest()->getHeaders();
     $msg = new Message();
     $created = isset($headers['created']) ? $headers['created'] : null;
     $expiration = isset($headers['expiration']) ? $headers['expiration'] : null;
     $msg->setHeaders($headers);
     $msg->setExpiration($expiration);
     $msg->setCreated($created);
     return $msg;
 }