return searchEngineClient.deleteByQuery(fessConfig.getIndexDocumentUpdateIndex(),
                QueryBuilders.termQuery(fessConfig.getIndexFieldParentId(), id));
    }

    public List<Map<String, Object>> getChildDocumentList(final SearchEngineClient searchEngineClient, final String id,
            final String[] fields) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();