/**
* {@inheritdoc}
*/
public function finalize()
{
list($status, $headers, $body) = parent::finalize();
$this->stringRepresentation = $this->convertToStringRepresentation($body);
$this->length = strlen($this->stringRepresentation);
$this->headers->set('Content-Type', $this->getContentType());
$this->headers->set('Content-Length', $this->length);
return array($status, $headers, $body);
}
