*/
    public List<RuleBinder> getRegistrationActionBinders() {
        return registrationActionBinders == null ? Collections.<RuleBinder>emptyList() : registrationActionBinders;
    }

    public void addRegistrationActionBinder(RuleBinder binder) {
        if (registrationActionBinders == null) {
            registrationActionBinders = new ArrayList<>();
        }
        registrationActionBinders.add(binder);
    }

    @Override