// facet q
                buf.append(',');
                buf.append("\"facet_query\":[");
                if (facetResponse.getQueryCountMap() != null) {
                    boolean first1 = true;
                    for (final Map.Entry<String, Long> entry : facetResponse.getQueryCountMap().entrySet()) {
                        if (!first1) {
                            buf.append(',');
                        } else {