code: protected void asyncShow(RequestManager requestManager, String whole) {
          requestManager.getAsyncManager().async(new ConcurrentAsyncCall() {
              @Override
              public ConcurrentAsyncImportance importance() {
                  return ConcurrentAsyncImportance.TERTIARY; // as low priority
              }
  
              @Override
              public void callback() {
                  log(whole);
              }
          });
      }
docs: ============