sentDocList.addAll(docList);
                return new BulkResponse(new BulkItemResponse[0], documentSizeByQuery);
            }

            @Override
            public List<Map<String, Object>> getDocumentList(final String index, final SearchCondition<SearchRequestBuilder> condition) {
                return Collections.emptyList();
            }
        };
        ComponentUtil.register(client, "searchEngineClient");

     * @return A list of documents.
     */
    protected List<Map<String, Object>> getDocumentList(final KeyMatch keyMatch) {
        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return searchEngineClient.getDocumentList(fessConfig.getIndexDocumentSearchIndex(),
                searchRequestBuilder -> SearchConditionBuilder

                entityList.add(entity);
                return entityList.size() <= (exceeded ? maxSearchDocSize : numFound);
            });
            return entityList;
        }
        return searchEngineClient.getDocumentList(fessConfig.getIndexDocumentUpdateIndex(), requestBuilder -> {
            requestBuilder.setQuery(queryBuilder).setSize((int) numFound);
            if (fields != null) {

            }
            deletedFileList.clear();

            if (!deleteFileMap.isEmpty()) {
                final String docIdField = fessConfig.getIndexFieldDocId();
                searchEngineClient.getDocumentList(fessConfig.getIndexDocumentSearchIndex(), searchRequestBuilder -> {
                    searchRequestBuilder.setQuery(