return new Node(Node.COMPARATOR, new ClassComparator(operator, literal));
case Token.TIMESTAMP:
ts.next();
operator = getOperator();
ts.next();
return new Node(Node.COMPARATOR, new TimestampComparator(operator, getLong()));
case Token.PROPERTY:
ts.next();
String key = (String) getPropertyKey();
ts.next();
operator = getOperator();