public static ScheduledFuture<?> scheduleLongPolling(Runnable runnable, long period, TimeUnit unit) {
        return LONG_POLLING_EXECUTOR.schedule(runnable, period, unit);
    }
@Test
    public void scheduleLongPollingTest() {
        ConfigExecutor.scheduleLongPolling(() -> log.info(Thread.currentThread().getName()), 5, TimeUnit.SECONDS);
    }