public static void WriteToXml( this IXmlItem item, Stream stream, ErrorMaskBuilder?errorMask = null, TranslationCrystal?translationMask = null, string?name = null) { var node = new XElement("topnode"); item.WriteToXml( name: name, node: node, errorMask: errorMask, translationMask: translationMask); node.Elements().First().Save(stream); }