}
		if tc.expectStackDowngrade && len(want.Spec.IPFamilies) > len(got.Spec.ClusterIPs) {
			want.Spec.IPFamilies = want.Spec.IPFamilies[0:1]
		} else if len(got.Spec.IPFamilies) > len(want.Spec.IPFamilies) {
			want.Spec.IPFamilies = append(want.Spec.IPFamilies, got.Spec.IPFamilies[len(want.Spec.IPFamilies):]...)
		}
	}

	if tc.expectNodePorts {
		for i := range want.Spec.Ports {

			}
		}
	case len(oldService.Spec.IPFamilies) < len(service.Spec.IPFamilies):
		// something has been added (upgraded)

		// test if primary ipFamily has changed
		if len(oldService.Spec.IPFamilies) > 0 &&
			len(service.Spec.IPFamilies) > 0 &&
			service.Spec.IPFamilies[0] != oldService.Spec.IPFamilies[0] {

	// +optional
	ClusterIPs []string

	// IPFamilies identifies all the IPFamilies assigned for this Service. If a value
	// was not provided for IPFamilies it will be defaulted based on the cluster
	// configuration and the value of service.spec.ipFamilyPolicy. A maximum of two
	// values (dual-stack IPFamilies) are allowed in IPFamilies. IPFamilies field is
	// conditionally mutable: it allows for adding or removing a secondary IPFamily,

	// Valid list items are "IPv4", "IPv6".
	// More info: https://kubernetes.io/docs/concepts/services-networking/dual-stack/#services
	IpFamilies []string `protobuf:"bytes,29,rep,name=ipFamilies,proto3" json:"ipFamilies,omitempty"`
	// Controls whether Services are configured to use IPv4, IPv6, or both. Valid options
	// are PreferDualStack, RequireDualStack, and SingleStack.

	// IPFamilyPolicyRequireDualStack on a single stack cluster will result in validation errors. The
	// IPFamilies (and their order) assigned  to this service is based on service.spec.ipFamilies. If
	// service.spec.ipFamilies was not provided then it will be assigned according to how they are
	// configured on the cluster. If service.spec.ipFamilies has only one entry then the alternative
	// IPFamily will be added by apiserver

  // value.
  //
  // This field may hold a maximum of two entries (dual-stack IPs, in either order).
  // These IPs must correspond to the values of the ipFamilies field. Both
  // clusterIPs and ipFamilies are governed by the ipFamilyPolicy field.
  // More info: https://kubernetes.io/docs/concepts/services-networking/service/#virtual-ips-and-service-proxies
  // +listType=atomic
  // +optional

	"type":                          "type determines how the Service is...

  // value.
  //
  // This field may hold a maximum of two entries (dual-stack IPs, in either order).
  // These IPs must correspond to the values of the ipFamilies field. Both
  // clusterIPs and ipFamilies are governed by the ipFamilyPolicy field.
  // More info: https://kubernetes.io/docs/concepts/services-networking/service/#virtual-ips-and-service-proxies
  // +listType=atomic
  // +optional

	out.PublishNotReadyAddresses = in.PublishNotReadyAddresses
	out.SessionAffinityConfig = (*core.SessionAffinityConfig)(unsafe.Pointer(in.SessionAffinityConfig))
	out.IPFamilies = *(*[]core.IPFamily)(unsafe.Pointer(&in.IPFamilies))
	out.IPFamilyPolicy = (*core.IPFamilyPolicy)(unsafe.Pointer(in.IPFamilyPolicy))
	out.AllocateLoadBalancerNodePorts = (*bool)(unsafe.Pointer(in.AllocateLoadBalancerNodePorts))