private function addParameters(\DOMElement $parent)
{
$data = $this->container->getParameterBag()->all();
if (!$data) {
return;
}
if ($this->container->isFrozen()) {
$data = $this->escape($data);
}
$parameters = $this->document->createElement('parameters');
$parent->appendChild($parameters);
$this->convertParameters($data, 'parameter', $parameters);
}