final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final LabelTypeHelper labelTypeHelper = ComponentUtil.getLabelTypeHelper();
        final LanguageHelper languageHelper = ComponentUtil.getLanguageHelper();

        final StringBuilder resultBuf = new StringBuilder();

        try {
            final long count = searchEngineClient.updateByQuery(fessConfig.getIndexDocumentUpdateIndex(), option -> {

        final Date now = systemHelper.getCurrentTime();
        final CrawlingInfoHelper crawlingInfoHelper = ComponentUtil.getCrawlingInfoHelper();
        final LanguageHelper languageHelper = ComponentUtil.getLanguageHelper();
        final List<Map<String, Object>> docList = body.documents.stream().map(doc -> {
            if (!doc.containsKey(indexFieldContentLength)) {
                long contentLength = 0;

        }

        if (!dataMap.containsKey(fessConfig.getIndexFieldDocId())) {
            dataMap.put(fessConfig.getIndexFieldDocId(), systemHelper.generateDocId(dataMap));
        }

        ComponentUtil.getLanguageHelper().updateDocument(dataMap);

        synchronized (docList) {
            docList.add(ingest(paramMap, dataMap));
            final long contentSize = indexingHelper.calculateDocumentSize(dataMap);