public override void writeXML(UTRSXmlWriter xml)
{
xml.WriteElementSafeString(_ID.ToLower(), ID);
xml.WriteElementSafeString(_EXTENSION.ToLower(), extension);
xml.WriteElementSafeString(_ASCII.ToLower(), ascii);
xml.WriteElementSafeString(_SIGNATURE.ToLower(), signature);
xml.WriteElementSafeString(_OFFSET.ToLower(), offset);
xml.WriteElementSafeString(_SIZE.ToLower(), size);
xml.WriteElementSafeString(_CONTENT_TYPE.ToLower(), contentType);
}