final Map<String, Object> fieldMap = new HashMap<>(2, 1f);
                        fieldMap.put("name", field.getName());
                        fieldMap.put("result", field.getValueCountMap().entrySet().stream().map(e -> {
                            final Map<String, Object> valueCount = new HashMap<>(2, 1f);
                            valueCount.put("value", e.getKey());

                        buf.append(",\"result\":[");
                        boolean first2 = true;
                        for (final Map.Entry<String, Long> entry : field.getValueCountMap().entrySet()) {
                            if (!first2) {
                                buf.append(',');
                            } else {
                                first2 = false;