public NodeSet getRange(DocumentImpl doc, long lower, long upper) { throw new RuntimeException( "getRange is not valid for class " + getClass().getName()); }
public NodeSet getRange(DocumentImpl doc, long lower, long upper);
	public NodeSet getRange(DocumentImpl doc, long lower, long upper) {		throw new RuntimeException(			"getRange is not valid for class " + getClass().getName());	}