@JsonIgnore
    public String getKey() {
        String serviceName = getGroupedServiceName();
        return getKey(serviceName, clusters);
    }
@Test
    void testServiceInfoConstructor() {
        String key1 = "group@@name";
        String key2 = "group@@name@@c2";
        ServiceInfo s1 = new ServiceInfo(key1);
        ServiceInfo s2 = new ServiceInfo(key2);
        assertEquals(key1, s1.getKey());
        assertEquals(key2, s2.getKey());
    }