NodeSet contextSet)
Sequence contextSet)
	protected Sequence applyPredicate(		StaticContext context,		NodeSet contextSet)		throws XPathException {		if(contextSet == null)			return Sequence.EMPTY_SEQUENCE;		Predicate pred;		Sequence result = contextSet;		for (Iterator i = predicates.iterator(); i.hasNext();) {			pred = (Predicate) i.next();			result = pred.eval(result);		}		return result;	}