PrimaryServiceClusterIPRange   net.IPNet
	SecondaryServiceClusterIPRange net.IPNet
	// APIServerServiceIP is the first valid IP from PrimaryServiceClusterIPRange
	APIServerServiceIP net.IP

	ServiceNodePortRange utilnet.PortRange

	EndpointReconcilerType string

	MasterCount int
}

// NewServerRunOptions creates a new ServerRunOptions object with default parameters
func NewServerRunOptions() *ServerRunOptions {
	s := ServerRunOptions{

    - "fd00:1::0/64"
nftables:
  masqueradeAll: true
  masqueradeBit: 18
  minSyncPeriod: 10s
  syncPeriod: 60s
kind: KubeProxyConfiguration
metricsBindAddress: "%s"
mode: "%s"
oomScoreAdj: 17
portRange: "2-7"
detectLocalMode: "ClusterCIDR"
detectLocal:
  bridgeInterface: "cbr0"
  interfaceNamePrefix: "veth"
nodePortAddresses:
  - "10.20.30.40/16"
  - "fd00:1::0/64"
`

	testCases := []struct {

	KubeletClientConfig kubeletclient.KubeletClientConfig
}

type ServicesConfig struct {
	// Service IP ranges
	ClusterIPRange          net.IPNet
	SecondaryClusterIPRange net.IPNet
	NodePortRange           utilnet.PortRange

	IPRepairInterval time.Duration
}

type rangeRegistries struct {
	clusterIP          rangeallocation.RangeRegistry
	secondaryClusterIP rangeallocation.RangeRegistry

ipvs:
  excludeCIDRs: null
  minSyncPeriod: 0s
  scheduler: ""
  syncPeriod: 30s
kind: KubeProxyConfiguration
metricsBindAddress: 127.0.0.1:10249
mode: ""
nodePortAddresses: null
oomScoreAdj: -999
portRange: ""
detectLocalMode: "BridgeInterface"`)
		if err != nil {
			return nil, "", fmt.Errorf("unexpected error when writing content to temp kube-proxy config file: %v", err)
		}

		return file, tempDir, nil
	}

	// the API server items and `Extra*` fields likely fit nicely together.

	// The range of ports to be assigned to services with type=NodePort or greater
	ServiceNodePortRange utilnet.PortRange
	// If non-zero, the "kubernetes" services uses this port as NodePort.
	KubernetesServiceNodePort int

	// Number of masters running; all masters must be started with the

	_ = fs.MarkDeprecated("metrics-port", "This flag is deprecated and will be removed in a future release. Please use --metrics-bind-address instead.")
	fs.Var(utilflag.PortRangeVar{Val: &o.config.PortRange}, "proxy-port-range", "This was previously used to configure the userspace proxy, but is now unused.")
	_ = fs.MarkDeprecated("proxy-port-range", "This flag has no effect and will be removed in a future release.")

	al, err := ipallocator.NewInMemory(cidr)
	if err != nil {
		panic(fmt.Sprintf("error creating IP allocator: %v", err))
	}
	return al
}

func makePortAllocator(ports machineryutilnet.PortRange) portallocator.Interface {
	al, err := portallocator.NewInMemory(ports)
	if err != nil {
		panic(fmt.Sprintf("error creating port allocator: %v", err))
	}
	return al
}

 
## Changes by Kind

### API Change

- Adds support for portRange / EndPort in Network Policy ([#97058](https://github.com/kubernetes/kubernetes/pull/97058), [@rikatz](https://github.com/rikatz)) [SIG Apps and Network]

							Ref:         ref("k8s.io/apimachinery/pkg/apis/meta/v1.Duration"),
						},
					},
					"portRange": {
						SchemaProps: spec.SchemaProps{
							Description: "portRange was previously used to configure the userspace proxy, but is now unused.",
							Default:     "",
							Type:        []string{"string"},
							Format:      "",
						},