@Override
    public void acquire() {
        get(acquireAsync());
    }
@Test
    public void testAcquire() {
        RRateLimiter rr = redisson.getRateLimiter("acquire");
        assertThat(rr.trySetRate(RateType.OVERALL, 1, 5, RateIntervalUnit.SECONDS)).isTrue();
        for (int i = 0; i < 10; i++) {
            rr.acquire(1);
        }
        assertThat(rr.tryAcquire()).isFalse();
    }