/**
* Serializes the response data in xml format.
*
* @param array $data
* The data to serialize
*
* @return \Symfony\Component\HttpFoundation\Response
* The response for chaining.
*/
protected function serializeResponseData($data, $code = Response::HTTP_OK)
{
$output = $this->serializer->serialize($data, 'xml');
$response = new Response($output, $code);
$response->headers->set('Content-Type', 'application/xml; charset=utf-8');
return $response;
}
