docs: public Config addEventJournalConfig(EventJournalConfig eventJournalConfig) {
          final String mapName = eventJournalConfig.getMapName();
          final String cacheName = eventJournalConfig.getCacheName();
          if (StringUtil.isNullOrEmpty(mapName) && StringUtil.isNullOrEmpty(cacheName)) {
              throw new IllegalArgumentException("Event journal config should have either map name or cache name non-empty");
          }
          if (!StringUtil.isNullOrEmpty(mapName)) {
              mapEventJournalConfigs.put(mapName, eventJournalConfig);
          }
          if (!StringUtil.isNullOrEmpty(cacheName)) {
              cacheEventJournalConfigs.put(cacheName, eventJournalConfig);
          }
          return this;
      }