/**
* Set the HTTP status code for the response.
*
* @param int $statusCode
* @return self
* @throws \InvalidArgumentException
*/
public function setStatus(int $statusCode) : ResponseBuilder
{
if ($statusCode < 400 || $statusCode >= 600) {
throw new InvalidArgumentException("{$statusCode} is not a valid error HTTP status code.");
}
return parent::setStatus($statusCode);
}
