private function messageParts($methodName, $nodes)
{
$messageElement = $this->createElementWithAttributes('message', ['name' => $methodName]);
if ($nodes !== null) {
$nodes = Arrays::toArray($nodes);
$parts = $this->XMLStyle->generateMessagePart($this->DOMDocument, $nodes);
foreach ($parts as $part) {
$messageElement->appendChild($part);
}
}
return $messageElement;
}