return buckets.stream().map(e -> {
                final Map<String, Object> map = new HashMap<>();
                map.put(ID, Base64.getUrlEncoder().encodeToString(e.getKeyAsString().getBytes(StandardCharsets.UTF_8)));
                map.put(KEY, e.getKeyAsString());
                map.put(COUNT, e.getDocCount());
                return map;
            }).collect(Collectors.toList());

            name = new String(BaseEncoding.base64().decode(encodedField), StandardCharsets.UTF_8);
            for (final Terms.Bucket tfEntry : termFacet.getBuckets()) {
                valueCountMap.put(tfEntry.getKeyAsString(), tfEntry.getDocCount());
            }
        }

        /**
         * @return the valueCountMap
         */
        public Map<String, Long> getValueCountMap() {
            return valueCountMap;