@Override
    public long count() {
        return commandExecutor.get(countAsync());
    }
@Test
    public void testCount() {
        Long s = redisson.getKeys().count();
        assertThat(s).isEqualTo(0);
        redisson.getBucket("test1").set(23);
        s = redisson.getKeys().count();
        assertThat(s).isEqualTo(1);
    }