func (d *nodeData) EtcdUpgrade() bool {
	return d.etcdUpgrade
}

// RenewCerts returns the renewCerts flag.
func (d *nodeData) RenewCerts() bool {
	return d.renewCerts
}

// Cfg returns upgradeConfiguration.
func (d *nodeData) Cfg() *kubeadmapi.UpgradeConfiguration {
	return d.cfg
}

// InitCfg returns the InitConfiguration.
func (d *nodeData) InitCfg() *kubeadmapi.InitConfiguration {

		}

		// otherwise, retrieve all the info required for control plane upgrade
		cfg := data.InitCfg()
		client := data.Client()
		dryRun := data.DryRun()
		etcdUpgrade := data.EtcdUpgrade()
		renewCerts := data.RenewCerts()
		patchesDir := data.PatchesDir()

		// Upgrade the control plane and etcd if installed on this node

	} else {
		return cmdutil.TypeMismatchErr("etcdUpgrade", "bool")
	}

	renewCerts, ok := cmdutil.ValueFromFlagsOrConfig(flagSet, options.CertificateRenewal, upgradeCfg.Apply.CertificateRenewal, &flags.renewCerts).(*bool)
	if ok {
		upgradeCfg.Apply.CertificateRenewal = renewCerts
	} else {
		return cmdutil.TypeMismatchErr("renewCerts", "bool")
	}

	if len(flags.patchesDir) > 0 {

)

// Data is the interface to use for kubeadm upgrade node phases.
// The "nodeData" type from "cmd/upgrade/node.go" must satisfy this interface.
type Data interface {
	EtcdUpgrade() bool
	RenewCerts() bool
	DryRun() bool
	Cfg() *kubeadmapi.UpgradeConfiguration
	InitCfg() *kubeadmapi.InitConfiguration
	IsControlPlaneNode() bool
	Client() clientset.Interface
	IgnorePreflightErrors() sets.Set[string]

type testData struct{}

// testData must satisfy Data.
var _ Data = &testData{}

func (t *testData) EtcdUpgrade() bool                       { return false }
func (t *testData) RenewCerts() bool                        { return false }
func (t *testData) DryRun() bool                            { return false }
func (t *testData) Cfg() *kubeadmapi.UpgradeConfiguration   { return nil }

}

// StaticPodControlPlane upgrades a static pod-hosted control plane
func StaticPodControlPlane(client clientset.Interface, waiter apiclient.Waiter, pathMgr StaticPodPathManager, cfg *kubeadmapi.InitConfiguration, etcdUpgrade, renewCerts bool, oldEtcdClient, newEtcdClient etcdutil.ClusterInterrogator) error {
	recoverManifests := map[string]string{}
	var isExternalEtcd bool