@Override
    public boolean add(V e) {
        return get(addAsync(e));
    }
@Test
    public void testIteratorSequence() {
        Set<Long> set = redisson.getSet("set");
        for (int i = 0; i < 1000; i++) {
            set.add(Long.valueOf(i));
        }

        Set<Long> setCopy = new HashSet<Long>();
        for (int i = 0; i < 1000; i++) {
            setCopy.add(Long.valueOf(i));
        }

        checkIterator(set, setCopy);
    }