@Override
    public List<V> radius(double longitude, double latitude, double radius, GeoUnit geoUnit) {
        return get(radiusAsync(longitude, latitude, radius, geoUnit));
    }
@Test
    public void testRadius() {
        RGeo<String> geo = redisson.getGeo("test");
        geo.add(new GeoEntry(13.361389, 38.115556, "Palermo"), new GeoEntry(15.087269, 37.502669, "Catania"));

        assertThat(geo.search(GeoSearchArgs.from(15, 37).radius(200, GeoUnit.KILOMETERS))).containsExactly("Palermo", "Catania");
    }