int userCount = getCoreContext().getUserCount();
int userCount = getCoreContext().getUsersCount();
    public void pageBeginRender(PageEvent event_) {        // If there are no users in the DB, then redirect to the FirstUser page to make one.        // For most pages, Border takes care of this check, but LoginPage doesn't have a Border.        int userCount = getCoreContext().getUserCount();        if (userCount == 0) {            throw new PageRedirectException(FirstUser.PAGE);        }                // If there is only one user in the DB, then this is probably a brand-new system where        // we just created the superadmin user.  Fill in the username automatically to be        // helpful to the IT guy, who may be learning about sipXconfig for the first time.        if (userCount == 1) {            List users = getCoreContext().loadUsers();            User user = (User) users.get(0);            setUserName(user.getUserName());        }    }