return null; }
				public Object start() {					NodeList children = doc.getChildNodes();					domDb.remove(doc.getAddress());					NodeImpl node;					for (int i = 0; i < children.getLength(); i++) {						node = (NodeImpl) children.item(i);						Iterator j = getDOMIterator(doc, node.getGID());						removeNodes(j);					}					return null;				}