Map validStems = savedValidStems; if(validStems !=null) return validStems; Set groups = null; GrouperSession s = getGrouperSession(); Member member = MemberFinder.findBySubject(s,s.getSubject()); groups = member.getGroups();  validStems= getStems(groups); return validStems;
return new HashMap();
	protected Map getValidStems() throws Exception{		Map validStems = savedValidStems;		if(validStems !=null) return validStems;		Set groups = null;		GrouperSession s = getGrouperSession();		Member member = MemberFinder.findBySubject(s,s.getSubject());		groups = member.getGroups();				validStems= getStems(groups);		return validStems;	}