protected function attachDefaultListeners()
{
$events = $this->getEventManager();
$events->attach(SendResponseEvent::EVENT_SEND_RESPONSE, new PhpEnvironmentResponseSender(), -1000);
$events->attach(SendResponseEvent::EVENT_SEND_RESPONSE, new SimpleStreamResponseSender(), -3000);
$events->attach(SendResponseEvent::EVENT_SEND_RESPONSE, new HttpResponseSender(), -4000);
}