// current is state after applying all of the changes.
type serviceChange struct {
	previous ServicePortMap
	current  ServicePortMap
}

// NewServiceChangeTracker initializes a ServiceChangeTracker
func NewServiceChangeTracker(makeServiceInfo makeServicePortFunc, ipFamily v1.IPFamily, recorder events.EventRecorder, processServiceMapChange processServiceMapChangeFunc) *ServiceChangeTracker {
	return &ServiceChangeTracker{

	// provide our own implementation of that interface, or else use a
	// proxy.ServiceChangeTracker to construct them and fill in the map for us.

	sct := proxy.NewServiceChangeTracker(nil, v1.IPv4Protocol, nil, nil)
	svc := &v1.Service{
		ObjectMeta: metav1.ObjectMeta{
			Name:      "cleanup-test",
			Namespace: "test",
		},
		Spec: v1.ServiceSpec{
			ClusterIP:   testClusterIP,

	for _, tc := range testCases {
		t.Run(tc.desc, func(t *testing.T) {
			featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.LoadBalancerIPMode, tc.ipModeEnabled)
			svcTracker := NewServiceChangeTracker(nil, tc.ipFamily, nil, nil)
			// outputs
			newServices := svcTracker.serviceToServiceMap(tc.service)

			if len(newServices) != len(tc.expected) {

		hcn:                   hcnMock,
		endPointsRefCount:     make(endPointsReferenceCountMap),
		forwardHealthCheckVip: true,
		mapStaleLoadbalancers: make(map[string]bool),
	}

	serviceChanges := proxy.NewServiceChangeTracker(proxier.newServiceInfo, v1.IPv4Protocol, nil, proxier.serviceMapChange)
	endpointsChangeTracker := proxy.NewEndpointsChangeTracker(hostname, proxier.newEndpointInfo, v1.IPv4Protocol, nil, proxier.endpointsMapChange)

	if err != nil {
		return nil, err
	}

	proxier := &Proxier{
		ipFamily:            ipFamily,
		svcPortMap:          make(proxy.ServicePortMap),
		serviceChanges:      proxy.NewServiceChangeTracker(newServiceInfo, ipFamily, recorder, nil),
		endpointsMap:        make(proxy.EndpointsMap),
		endpointsChanges:    proxy.NewEndpointsChangeTracker(hostname, newEndpointInfo, ipFamily, recorder, nil),

		rootHnsEndpointName:   config.RootHnsEndpointName,
		forwardHealthCheckVip: config.ForwardHealthCheckVip,
		mapStaleLoadbalancers: make(map[string]bool),
	}

	serviceChanges := proxy.NewServiceChangeTracker(proxier.newServiceInfo, ipFamily, recorder, proxier.serviceMapChange)
	endPointChangeTracker := proxy.NewEndpointsChangeTracker(hostname, proxier.newEndpointInfo, ipFamily, recorder, proxier.endpointsMapChange)

		logger.Error(err, "Failed to create nfacct runner")
	}

	proxier := &Proxier{
		ipFamily:                 ipFamily,
		svcPortMap:               make(proxy.ServicePortMap),
		serviceChanges:           proxy.NewServiceChangeTracker(newServiceInfo, ipFamily, recorder, nil),
		endpointsMap:             make(proxy.EndpointsMap),
		endpointsChanges:         proxy.NewEndpointsChangeTracker(hostname, newEndpointInfo, ipFamily, recorder, nil),

	parsedExcludeCIDRs, _ := netutils.ParseCIDRs(excludeCIDRs)

	proxier := &Proxier{
		ipFamily:              ipFamily,
		svcPortMap:            make(proxy.ServicePortMap),
		serviceChanges:        proxy.NewServiceChangeTracker(newServiceInfo, ipFamily, recorder, nil),
		endpointsMap:          make(proxy.EndpointsMap),
		endpointsChanges:      proxy.NewEndpointsChangeTracker(hostname, nil, ipFamily, recorder, nil),
		initialSync:           true,

	} else {
		nodeIP = netutils.ParseIPSloppy(testNodeIPv6)
	}
	p := &Proxier{
		ipFamily:            ipFamily,
		svcPortMap:          make(proxy.ServicePortMap),
		serviceChanges:      proxy.NewServiceChangeTracker(newServiceInfo, ipFamily, nil, nil),
		endpointsMap:        make(proxy.EndpointsMap),
		endpointsChanges:    proxy.NewEndpointsChangeTracker(testHostname, newEndpointInfo, ipFamily, nil, nil),
		nftables:            nft,

		ipsetList[is.name] = NewIPSet(ipset, is.name, is.setType, false, is.comment)
	}
	p := &Proxier{
		svcPortMap:            make(proxy.ServicePortMap),
		serviceChanges:        proxy.NewServiceChangeTracker(newServiceInfo, ipFamily, nil, nil),
		endpointsMap:          make(proxy.EndpointsMap),
		endpointsChanges:      proxy.NewEndpointsChangeTracker(testHostname, nil, ipFamily, nil, nil),