throw new IllegalStateException("No admin found!");
    public static User getAdminUser() {        UserCollection uc = User.retrieveAll();        try {            uc.filter(KernelHelper.getSystemAdministratorEmailAddress());            uc.next();            User sysadmin = uc.getUser();            Assert.exists(sysadmin, User.class);            return sysadmin;        } finally {            uc.close();        }    }