setAttributeValue(result, fessConfig.getLdapAttrGivenName(), o -> user.setGivenName(o.toString()));
                setAttributeValue(result, fessConfig.getLdapAttrMail(), o -> user.setMail(o.toString()));
                setAttributeValue(result, fessConfig.getLdapAttrEmployeeNumber(), o -> user.setEmployeeNumber(o.toString()));

            final String execTime = data.getExecTime();
            final String queryTime = Long.toString(data.getQueryTime());
            final String pageSize = Integer.toString(data.getPageSize());
            final String currentPageNumber = Integer.toString(data.getCurrentPageNumber());
            final String allRecordCount = Long.toString(data.getAllRecordCount());
            final String allRecordCountRelation = data.getAllRecordCountRelation();

            } else if (longFieldSet.contains(key)) {
                value = DfTypeUtil.toLong(value.toString());
            } else if (floatFieldSet.contains(key)) {
                value = DfTypeUtil.toFloat(value.toString());
            } else if (doubleFieldSet.contains(key)) {
                value = DfTypeUtil.toDouble(value.toString());
            }
            return new Pair<>(key, value);

                .param("requests_per_second", requestsPerSecond).param("scroll", scroll).param("max_docs", maxDocs)
                .param("wait_for_completion", Boolean.toString(waitForCompletion)).body(source).execute()) {
            if (response.getHttpStatusCode() == 200) {
                return true;
            }
            logger.warn("Failed to reindex from {} to {}", fromIndex, toIndex);