@Override
    public Collection<V> readAll() {
        return get(readAllAsync());
    }
@Test
    public void testReadAll() {
        RScoredSortedSet<String> set = redisson.getScoredSortedSet("simple");
        set.add(0, "1");
        set.add(1, "4");
        set.add(2, "2");
        set.add(3, "5");
        set.add(4, "3");

        assertThat(set.readAll()).containsOnly("1", "2", "4", "5", "3");
    }