code: public static void stopService() {
          DaemonStarter.currentPhase.set(LifecyclePhase.STOPPING);
          final CountDownLatch cdl = new CountDownLatch(1);
          Executors.newSingleThreadExecutor().execute(() -> {
              DaemonStarter.getLifecycleListener().stopping();
              DaemonStarter.daemon.stop();
              cdl.countDown();
          });
  
          try {
              int timeout = DaemonStarter.lifecycleListener.get().getShutdownTimeoutSeconds();
              if (!cdl.await(timeout, TimeUnit.SECONDS)) {
                  DaemonStarter.rlog.error("Failed to stop gracefully");
                  DaemonStarter.abortSystem();
              }
          } catch (InterruptedException e) {
              DaemonStarter.rlog.error("Failure awaiting stop", e);
              Thread.currentThread().interrupt();
          }
  
      }
docs: Stop the service and end the program