@Override
    public boolean trySetCount(long count) {
        return get(trySetCountAsync(count));
    }
@Test
    public void testTrySetCount() throws Exception {
        RCountDownLatch latch = redisson.getCountDownLatch("latch");
        assertThat(latch.trySetCount(1)).isTrue();
        assertThat(latch.trySetCount(2)).isFalse();
    }