return searchEngineClient.update(fessConfig.getIndexDocumentUpdateIndex(), id, field, value);
    }

    public boolean deleteDocument(final SearchEngineClient searchEngineClient, final String id) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return searchEngineClient.delete(fessConfig.getIndexDocumentUpdateIndex(), id);
    }

    // GET /api/admin/searchlist/doc/{doc_id}
    @Execute
    public JsonResponse<ApiResult> get$doc(final String id) {
        return asJson(new ApiDocResponse().doc(searchEngineClient.getDocument(fessConfig.getIndexDocumentUpdateIndex(), builder -> {
            builder.setQuery(QueryBuilders.termQuery(fessConfig.getIndexFieldDocId(), id));
            return true;
        }).orElseGet(() -> {

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SearchEngineClient client = ComponentUtil.getSearchEngineClient();
        final String index = fessConfig.getIndexDocumentUpdateIndex();
        final Object url = params.get("url");
        if (url == null) {
            return StringUtil.EMPTY_STRINGS;
        }

        // clean up
        final QueryBuilder queryBuilder = QueryBuilders.rangeQuery(fessConfig.getIndexFieldExpires()).to("now");
        try {
            searchEngineClient.deleteByQuery(fessConfig.getIndexDocumentUpdateIndex(), queryBuilder);

        } catch (final Exception e) {
            logger.error("Could not delete expired documents: {}", queryBuilder, e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        final String docId = form.docId;
        try {
            final QueryBuilder query = QueryBuilders.termQuery(fessConfig.getIndexFieldDocId(), docId);
            searchEngineClient.deleteByQuery(fessConfig.getIndexDocumentUpdateIndex(), query);
            saveInfo(messages -> messages.addSuccessDeleteDocFromIndex(GLOBAL));
        } catch (final Exception e) {
            logger.warn("Failed to process a request.", e);

            context.skipRoleQuery();
        });
        return ComponentUtil.getSearchEngineClient().deleteByQuery(ComponentUtil.getFessConfig().getIndexDocumentUpdateIndex(),
                queryContext.getQueryBuilder());
    }

    public String[] getLanguages(final HttpServletRequest request, final SearchRequestParams params) {

        final StringBuilder resultBuf = new StringBuilder();

        try {
            final long count = searchEngineClient.updateByQuery(fessConfig.getIndexDocumentUpdateIndex(), option -> {
                if (queryBuilder != null) {
                    option.setQuery(queryBuilder);
                }

        validate(form, messages -> {}, this::asIndexHtml);
        verifyToken(this::asIndexHtml);
        searchEngineClient.flushConfigFiles(() -> {
            final String docIndex = fessConfig.getIndexDocumentUpdateIndex();
            searchEngineClient.admin().indices().prepareClose(docIndex).execute(ActionListener.wrap(res -> {
                logger.info("Close {}", docIndex);

            });
        }

        final CrawlingConfigHelper crawlingConfigHelper = ComponentUtil.getCrawlingConfigHelper();
        final BulkResponse response = searchEngineClient.addAll(fessConfig.getIndexDocumentUpdateIndex(), docList, (doc, builder) -> {
            if (doc.get(fessConfig.getIndexFieldConfigId()) instanceof final String configId) {

            }

            try {
                final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
                final String index = fessConfig.getIndexDocumentUpdateIndex();
                searchEngineClient.admin().indices().prepareRefresh(index).execute().actionGet();
                final long numOfDeleted = searchEngineClient.deleteByQuery(index, queryBuilder);