}
                }, null);
            });
            final Terms agg = list.getAggregations().get(SearchLogPager.LOG_TYPE_CLICK_COUNT);
            final List<? extends Terms.Bucket> buckets = agg.getBuckets();
            updatePagerByAgg(pager, buckets.size());
            return buckets.stream().map(e -> {
                final Map<String, Object> map = new HashMap<>();

            searchResponse.ifPresent(response -> {
                final Terms terms = response.getAggregations().get(fessConfig.getIndexFieldSegment());
                for (final Bucket bucket : terms.getBuckets()) {
                    final Map<String, String> map = new HashMap<>(2);
                    map.put(fessConfig.getIndexFieldSegment(), bucket.getKey().toString());