docs: private void dumpCache(){
          if (CacheDumpLogger.isDebugEnabled()) {
              try {
                  StringBuilder sb = new StringBuilder();
                  sb.append("LookupManager dumped Service Cache at: ").append(System.currentTimeMillis()).append("\n");
                  ModelService service = getData();
                  sb.append(service==null ? "Cache is empty" : new String(serialize(service))).append("\n");
                  CacheDumpLogger.debug(sb.toString());
              } catch (Exception e) {
                  LOGGER.warn("Dump Service Cache failed. Set Logger {} to INFO to disable this message.",
                              CacheDumpLogger.getName());
                  LOGGER.trace("Dump Service Cache failed. ", e);
              }
          }
      }