{Type: v1.NodeInternalIP, Address: "3.3.3.3"},
			},
			wantDNSNames: []string{"hostname-1", "hostname-2", "hostname-3"},
			wantIPs:      []net.IP{netutils.ParseIPSloppy("1.1.1.1"), netutils.ParseIPSloppy("2.2.2.2"), netutils.ParseIPSloppy("3.3.3.3")},
		},
		{
			name: "handle IP and DNS hostnames",
			addresses: []v1.NodeAddress{
				{Type: v1.NodeHostName, Address: "hostname"},

			continue
		}

		switch address.Type {
		case v1.NodeHostName:
			if ip := netutils.ParseIPSloppy(address.Address); ip != nil {
				seenIPs[address.Address] = true
			} else {
				seenDNSNames[address.Address] = true
			}
		case v1.NodeExternalIP, v1.NodeInternalIP:
			if ip := netutils.ParseIPSloppy(address.Address); ip != nil {
				seenIPs[address.Address] = true
			}

		if !IPV4Check && netutils.IsIPv4CIDRString(cidr) {
			IPV4Check = true
		}
		if !IPV6Check && netutils.IsIPv6CIDRString(cidr) {
			IPV6Check = true
		}

	}
	cidrs = strings.Split(cfg.Networking.PodSubnet, ",")
	for _, cidr := range cidrs {
		checks = append(checks, HTTPProxyCIDRCheck{Proto: "https", CIDR: cidr})
		if !IPV4Check && netutils.IsIPv4CIDRString(cidr) {
			IPV4Check = true
		}

	"k8s.io/kubernetes/pkg/controlplane/reconcilers"
	kubeoptions "k8s.io/kubernetes/pkg/kubeapiserver/options"
	kubeletclient "k8s.io/kubernetes/pkg/kubelet/client"
	netutils "k8s.io/utils/net"
)

func TestAddFlags(t *testing.T) {
	fs := pflag.NewFlagSet("addflagstest", pflag.PanicOnError)
	s := NewServerRunOptions()
	for _, f := range s.Flags().FlagSets {
		fs.AddFlagSet(f)
	}

	"k8s.io/apiserver/pkg/util/openapi"
	"k8s.io/apiserver/pkg/util/proxy"
	"k8s.io/apiserver/pkg/util/webhook"
	scheme "k8s.io/client-go/kubernetes/scheme"
	corev1 "k8s.io/client-go/listers/core/v1"
	netutils "k8s.io/utils/net"
)

const defaultEtcdPathPrefix = "/registry/apiextensions.kubernetes.io"

// CustomResourceDefinitionsServerOptions describes the runtime options of an apiextensions-apiserver.

	auditbuffered "k8s.io/apiserver/plugin/pkg/audit/buffered"
	audittruncate "k8s.io/apiserver/plugin/pkg/audit/truncate"
	cliflag "k8s.io/component-base/cli/flag"
	"k8s.io/component-base/logs"
	"k8s.io/component-base/metrics"
	netutils "k8s.io/utils/net"

	kubeoptions "k8s.io/kubernetes/pkg/kubeapiserver/options"
)

func TestAddFlags(t *testing.T) {
	fs := pflag.NewFlagSet("addflagstest", pflag.PanicOnError)
	s := NewOptions()

	"k8s.io/apimachinery/pkg/types"
	"k8s.io/apimachinery/pkg/util/sets"
	"k8s.io/client-go/tools/record"
	runtimeapi "k8s.io/cri-api/pkg/apis/runtime/v1"
	"k8s.io/kubernetes/pkg/apis/core/validation"
	netutils "k8s.io/utils/net"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

var (
	// testHostNameserver and testHostDomain are also being used in dns_windows_test.go.

	"k8s.io/client-go/informers"
	"k8s.io/client-go/kubernetes"
	restclient "k8s.io/client-go/rest"
	kubeversion "k8s.io/component-base/version"
	aggregatorscheme "k8s.io/kube-aggregator/pkg/apiserver/scheme"
	netutils "k8s.io/utils/net"

	"k8s.io/kubernetes/pkg/api/legacyscheme"
	flowcontrolv1bet3 "k8s.io/kubernetes/pkg/apis/flowcontrol/v1beta3"
	controlplaneapiserver "k8s.io/kubernetes/pkg/controlplane/apiserver"

	oteltrace "go.opentelemetry.io/otel/trace"
	"google.golang.org/grpc"
	"k8s.io/klog/v2"
	"k8s.io/kubernetes/pkg/kubelet/metrics/collectors"
	"k8s.io/utils/clock"
	netutils "k8s.io/utils/net"

	v1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/runtime/schema"
	"k8s.io/apimachinery/pkg/types"

	"k8s.io/kubernetes/pkg/proxy/metaproxier"
	"k8s.io/kubernetes/pkg/proxy/metrics"
	proxyutil "k8s.io/kubernetes/pkg/proxy/util"
	"k8s.io/kubernetes/pkg/util/async"
	utilexec "k8s.io/utils/exec"
	netutils "k8s.io/utils/net"
	"k8s.io/utils/ptr"
	"sigs.k8s.io/knftables"
)

const (
	// Our nftables table. All of our chains/sets/maps are created inside this table,