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());
        } else if (SearchLogPager.LOG_TYPE_FAVORITE.equalsIgnoreCase(pager.logType)) {

                    final Map<String, String> map = new HashMap<>(2);
                    map.put(fessConfig.getIndexFieldSegment(), bucket.getKey().toString());
                    map.put(FACET_COUNT_KEY, Long.toString(bucket.getDocCount()));
                    sessionIdList.add(map);
                }
            });
            return sessionIdList;
        });
    }

    /**