docs: public static void awaitTermination(ExecutorService executorService,
              long timeoutMillis) {
          if (executorService.isTerminated())
              return;
          log.info("Start Terminating !!! - {}, timeoutMillis - {}",
                  executorService, timeoutMillis);
          long startTimeMillis = System.currentTimeMillis();
          try {
              executorService
                      .awaitTermination(timeoutMillis, TimeUnit.MILLISECONDS);
          } catch (InterruptedException e) {
              log.warn("Timeout Occur !!! - {}, timeoutMillis - {}",
                      executorService, timeoutMillis);
          }
          log.info("Terminated !!! - {} took {} ms", executorService,
                  startTimeMillis - System.currentTimeMillis());
      }