case tensorflow::AttrValue::kList: {
      // String
      if (const int s_size = default_value.list().s_size()) {
        absl::InlinedVector<const void*, 4> values_vector;
        values_vector.reserve(s_size);
        absl::InlinedVector<size_t, 4> lengths_vector;
        lengths_vector.reserve(s_size);
        for (int i = 0; i < s_size; ++i) {
          const string& v = default_value.list().s(i);

            final QueryBuilder queryBuilder) {
        try {
            SearchResponse response = client.prepareSearch(index).setQuery(queryBuilder).setSize(500).setScroll(settings.getScrollTimeout())
                    .execute().actionGet(settings.getSearchTimeout());
            String scrollId = response.getScrollId();
            try {

        SearchResponse response = getClient().get(c -> c.prepareSearch(index).setScroll(new TimeValue(scrollTimeout))
                .setQuery(QueryBuilders.boolQuery().filter(QueryBuilders.termQuery(SESSION_ID, oldSessionId))).setSize(scrollSize)
                .execute());
        String scrollId = response.getScrollId();
        try {
            while (scrollId != null) {
                final SearchHits searchHits = response.getHits();

            putValue(data, "Reply-To", message.getReplyTo());
            putValue(data, "Sender", message.getSender());
            putValue(data, "Sent-Date", message.getSentDate());
            putValue(data, "Size", message.getSize());
            putValue(data, "Subject", message.getSubject());
            putValue(data, "Receipients", message.getAllRecipients());
            putValue(data, "To", message.getRecipients(Message.RecipientType.TO));

    }

    private long getNum(final QueryBuilder queryBuilder) {
        final SearchResponse searchResponse = client.prepareSearch().setIndices(getSearchAlias(index)).setSize(0).setQuery(queryBuilder)
                .setTrackTotalHits(true).execute().actionGet(suggestSettings.getSearchTimeout());
        return searchResponse.getHits().getTotalHits().value;
    }

                if (!roleSet.isEmpty()) {
                    queryHelper.buildRoleQuery(roleSet, boolQuery);
                }
            }
            builder.setQuery(boolQuery);
            builder.setSize(fessConfig.getPagingSearchPageMaxSizeAsInteger());
            builder.setFetchSource(fields, null);
            queryHelper.processSearchPreference(builder, userBean, String.join(StringUtil.EMPTY, docIds));

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        SearchResponse response = option.apply(client.prepareSearch(index).setScroll(scrollForUpdate).setSize(sizeForUpdate)
                .setPreference(Constants.SEARCH_PREFERENCE_LOCAL)).execute().actionGet(fessConfig.getIndexScrollSearchTimeout());

        int count = 0;
        String scrollId = response.getScrollId();

    }

    public int deleteByQuery(final String index, final String type, final QueryBuilder queryBuilder) {
        SearchResponse response =
                get(c -> c.prepareSearch(index).setScroll(scrollForDelete).setSize(sizeForDelete).setQuery(queryBuilder).execute());
        String scrollId = response.getScrollId();
        int count = 0;
        try {
            while (scrollId != null) {

                builder.setQuery(queryBuilder);
                builder.setFrom(0);
                final int maxDocumentCacheSize = fessConfig.getIndexerWebfsMaxDocumentCacheSizeAsInteger();
                builder.setSize(maxDocumentCacheSize <= 0 ? 1 : maxDocumentCacheSize);
                builder.addSort(EsAccessResult.CREATE_TIME, SortOrder.ASC);
            };

            final DocList docList = new DocList();

            responseData.setCharSet(Constants.UTF_8);
            responseData.setLastModified(file.getTimestamp().getTime());

            // check file size
            responseData.setContentLength(file.getSize());
            checkMaxContentLength(responseData);

            if (file.getUser() != null) {
                responseData.addMetaData(FTP_FILE_USER, file.getUser());
            }