docs: private void initCacheSyncTask(){
          int delay = getServiceDirectoryConfig().getInt(
                  SD_API_CACHE_SYNC_DELAY_PROPERTY,
                  SD_API_CACHE_SYNC_DELAY_DEFAULT);
          int interval = getServiceDirectoryConfig().getInt(
                  SD_API_CACHE_SYNC_INTERVAL_PROPERTY,
                  SD_API_CACHE_SYNC_INTERVAL_DEFAULT);
  
          syncService.scheduleWithFixedDelay(new CacheSyncTask(),
                  delay, interval, TimeUnit.SECONDS);
      }