/**
  * Interpret a SOAP response message to PHP values.
  *
  * @param string $response          The SOAP response message.
  * @param string $function_name     The name of the SOAP function to interpret.
  * @param array  $output_headers    If supplied, this array will be filled with the headers from the SOAP response.
  * @return mixed
  * @throws \SoapFault
  */
 public function response($response, $function_name, array &$output_headers = null)
 {
     return $this->soap->response($response, $function_name, $output_headers);
 }