public static Criterion matchIPv6Dst(IpPrefix ip) {
        return new IPCriterion(ip, Type.IPV6_DST);
    }
@Test
    public void testMatchIPv6DstMethod() {
        Criterion matchIPv6Dst = Criteria.matchIPv6Dst(ipv61);
        IPCriterion ipCriterion =
                checkAndConvert(matchIPv6Dst,
                                Criterion.Type.IPV6_DST,
                                IPCriterion.class);
        assertThat(ipCriterion.ip(), is(equalTo(ipv61)));
    }