@Override
    public V pollLast() {
        return get(pollLastAsync());
    }
@Test
    public void testPollLast() {
        RScoredSortedSet<String> set = redisson.getScoredSortedSet("simple");
        Assertions.assertNull(set.pollLast());

        set.add(0.1, "a");
        set.add(0.2, "b");
        set.add(0.3, "c");

        Assertions.assertEquals("c", set.pollLast());
        assertThat(set).containsExactly("a", "b");
    }