return new ArrayList(sessions.values());
if (sessions != null) { return new ArrayList(sessions.keySet()); } else {  ArrayList sessionIds = new ArrayList(); Iterator sessionIdItr = settings.sectionIterator(); while (sessionIdItr.hasNext()) { sessionIds.add(sessionIdItr.next()); } return sessionIds; }
    public ArrayList getSessions() {        return new ArrayList(sessions.values());    }