}

    @GwtIncompatible // used only from other GwtIncompatible code
    @Override
    void setBits(BitSet table) {
      BitSet tmp1 = new BitSet();
      first.setBits(tmp1);
      BitSet tmp2 = new BitSet();
      second.setBits(tmp2);
      tmp1.and(tmp2);
      table.or(tmp1);
    }

    @Override
    public String toString() {

    }

    @GwtIncompatible // used only from other GwtIncompatible code
    @Override
    void setBits(BitSet table) {
      BitSet tmp1 = new BitSet();
      first.setBits(tmp1);
      BitSet tmp2 = new BitSet();
      second.setBits(tmp2);
      tmp1.and(tmp2);
      table.or(tmp1);
    }

    @Override
    public String toString() {

                setAttributeValue(result, fessConfig.getLdapAttrDescription(), o -> user.setDescription(o.toString()));
                setAttributeValue(result, fessConfig.getLdapAttrTitle(), o -> user.setTitle(o.toString()));
                setAttributeValue(result, fessConfig.getLdapAttrPager(), o -> user.setPager(o.toString()));
                setAttributeValue(result, fessConfig.getLdapAttrStreet(), o -> user.setStreet(o.toString()));

            stream(parameter.getSuggestFields()).of(stream -> stream.forEach(builder::addField));
            roleQueryHelper.build(SearchRequestType.SUGGEST).stream().forEach(builder::addRole);
            builder.setSize(parameter.getNum());
            stream(langs).of(stream -> stream.forEach(builder::addLang));

            stream(parameter.getTags()).of(stream -> stream.forEach(builder::addTag));

    }

    @Override
    public Iterator<Set<E>> iterator() {
      return new AbstractIndexedListIterator<Set<E>>(size()) {
        @Override
        protected Set<E> get(int setBits) {
          return new SubSet<>(inputSet, setBits);
        }
      };
    }

    @Override
    public boolean contains(@Nullable Object obj) {
      if (obj instanceof Set) {
        Set<?> set = (Set<?>) obj;

    }

    @Override
    public Iterator<Set<E>> iterator() {
      return new AbstractIndexedListIterator<Set<E>>(size()) {
        @Override
        protected Set<E> get(int setBits) {
          return new SubSet<>(inputSet, setBits);
        }
      };
    }

    @Override
    public boolean contains(@Nullable Object obj) {
      if (obj instanceof Set) {
        Set<?> set = (Set<?>) obj;

        // host
        putResultDataBody(dataMap, fessConfig.getIndexFieldHost(), getHost(url));
        // site
        putResultDataBody(dataMap, fessConfig.getIndexFieldSite(), getSite(url, urlEncoding));
        // filename
        if (StringUtil.isNotBlank(fileName)) {
            putResultDataBody(dataMap, fessConfig.getIndexFieldFilename(), fileName);
        }
        // url

            if (values.length != 2) {
                return;
            }
            final FacetQueryView facetQueryView = new FacetQueryView();
            facetQueryView.setTitle(values[0]);
            split(values[1], "\t").of(subStream -> subStream.map(String::trim).filter(StringUtil::isNotEmpty).forEach(v -> {
                final String[] facet = StringUtils.split(v, "=", 2);