@Override
    protected OptionalThing<FessUserBean> getUserBean() { // to return as concrete class
        return fessLoginAssist.getSavedUserBean();
    }

    @Override
    protected String myAppType() { // for framework
        return APP_TYPE;
    }

    @Override
    protected OptionalThing<String> myUserType() { // for framework
        return OptionalThing.of(USER_TYPE); // same reason as getUserBean()