Throwable error = null;

                if (project == null) {
                    project = new MavenProject();
                    project.setFile(pomFile != null ? pomFile.toFile() : null);

                    boolean reactorMember = pomFile != null
                            && session.getProjects() != null // this is for UTs

            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;

                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()));

        // 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);

        this.parent = parent;
    }

    public boolean hasParent() {
        return getParent() != null;
    }

    public File getFile() {
        return file;
    }

    public void setFile(File file) {
        this.file = file;
        this.basedir = file != null ? file.getParentFile() : null;
    }

    /**
     * Sets project {@code file} without changing project {@code basedir}.
     *