@Override
    public Map<V, String> hash(V... members) {
        return get(hashAsync(members));
    }
@Test
    public void testHash() {
        RGeo<String> geo = redisson.getGeo("test");
        geo.add(new GeoEntry(13.361389, 38.115556, "Palermo"), new GeoEntry(15.087269, 37.502669, "Catania"));
        
        Map<String, String> expected = new LinkedHashMap<>();
        expected.put("Palermo", "sqc8b49rny0");
        expected.put("Catania", "sqdtr74hyu0");
        assertThat(geo.hash("Palermo", "Catania")).isEqualTo(expected);
    }