@Override
    public boolean add(V obj) {
        return get(addAsync(obj));
    }
@Test
    public void testAdd() {
        RHyperLogLog<Integer> log = redisson.getHyperLogLog("log");
        log.add(1);
        log.add(2);
        log.add(3);

        Assertions.assertEquals(3L, log.count());
    }