docs: private String createXML(NodeConfig node) {
  		class XMLCreator extends XmlMarshaller {
  			public XMLCreator(NodeConfig node) {
  				super(node);
  			}
  
  			public String print() {
  				try {
  					return super.marshal().toString();
  				} catch (MarshalException e) {
  					return "";
  				}
  			}
  		}
  		XMLCreator creator = new XMLCreator(node);
  		return creator.print();
  	}