final List<Map<String, Object>> docList = searchHelper.getDocumentListByDocIds(docIds, new String[] {
                    fessConfig.getIndexFieldUrl(), fessConfig.getIndexFieldDocId(), fessConfig.getIndexFieldFavoriteCount() },
                    OptionalThing.empty(), SearchRequestType.JSON);
            List<String> urlList = new ArrayList<>(docList.size());
            for (final Map<String, Object> doc : docList) {

    public BulkResponse addAll(final String index, final List<Map<String, Object>> docList,
            final BiConsumer<Map<String, Object>, IndexRequestBuilder> options) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final BulkRequestBuilder bulkRequestBuilder = client.prepareBulk();
        for (final Map<String, Object> doc : docList) {
            final Object id = doc.remove(fessConfig.getIndexFieldId());