public void checkNullOrEmptyQuery() {
    }

    @Override
    public void enableEmptyStringQuery(ModeQuery noArgInLambda) {
        // do nothing
    }

    @Override
    public void disableEmptyStringQuery() {
    }

    @Override
    public void enableOverridingQuery(ModeQuery noArgInLambda) {
        // do nothing
    }

    @Override
    public void disableOverridingQuery() {

    public void checkNullOrEmptyQuery() {
    }

    @Override
    public void enableEmptyStringQuery(ModeQuery noArgInLambda) {
        // do nothing
    }

    @Override
    public void disableEmptyStringQuery() {
    }

    @Override
    public void enableOverridingQuery(ModeQuery noArgInLambda) {
        // do nothing
    }

    @Override
    public void disableOverridingQuery() {

    public void checkNullOrEmptyQuery() {
    }

    @Override
    public void enableEmptyStringQuery(ModeQuery noArgInLambda) {
        // do nothing
    }

    @Override
    public void disableEmptyStringQuery() {
    }

    @Override
    public void enableOverridingQuery(ModeQuery noArgInLambda) {
        // do nothing
    }

    @Override
    public void disableOverridingQuery() {

    public void buildRoleQuery(final Set<String> roleSet, final BoolQueryBuilder boolQuery) {
        final BoolQueryBuilder roleQuery = QueryBuilders.boolQuery();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String roleField = fessConfig.getIndexFieldRole();
        roleSet.stream().forEach(name -> roleQuery.should(QueryBuilders.termQuery(roleField, name)));