docs: public void start() {
          try {
              if (start.compareAndSet(false, true)) {
                  scheduledFuture = RETRY_EXECUTOR_SERVICE.scheduleWithFixedDelay(new Runner()
                          , 30, 30, TimeUnit.SECONDS);
              }
              LOGGER.info("Feedback job checker started!");
  
          } catch (Throwable t) {
              LOGGER.error("Feedback job checker start failed!", t);
          }
      }