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

	if len(flags.patchesDir) > 0 {
		upgradeCfg.Apply.Patches = &kubeadmapi.Patches{Directory: flags.patchesDir}
	} else if upgradeCfg.Apply.Patches == nil {
		upgradeCfg.Apply.Patches = &kubeadmapi.Patches{}
	}

	// Now; perform the upgrade procedure
	if err := PerformControlPlaneUpgrade(flags, client, waiter, initCfg, upgradeCfg); err != nil {

	// The flag "--skip-phases" takes precedence over this field.
	// +optional
	SkipPhases []string `json:"skipPhases,omitempty"`

	// Patches contains options related to applying patches to components deployed by kubeadm during
	// "kubeadm init".
	// +optional
	Patches *Patches `json:"patches,omitempty"`

	// Timeouts holds various timeouts that apply to kubeadm commands.
	// +optional
	Timeouts *Timeouts `json:"timeouts,omitempty"`

		fg := fuzz.New(t, data)
		patches := fuzz.Slice[*networking.EnvoyFilter_EnvoyConfigObjectPatch](fg, patchCount%30)
		proxy := fuzz.Struct[*model.Proxy](fg)
		mesh := fuzz.Struct[*meshconfig.MeshConfig](fg)
		c := fuzz.Struct[*cluster.Cluster](fg)

		serviceDiscovery := memory.NewServiceDiscovery()
		env := newTestEnvironment(serviceDiscovery, mesh, buildEnvoyFilterConfigStore(patches))
		push := model.NewPushContext()

}

// applyCoreDNSDeploymentPatches reads patches from a directory and applies them over the input coreDNSDeploymentBytes
func applyCoreDNSDeploymentPatches(coreDNSDeploymentBytes []byte, patchesDir string, output io.Writer) ([]byte, error) {
	patchManager, err := patches.GetPatchManagerForPath(patchesDir, patches.KnownTargets(), output)
	if err != nil {
		return nil, err
	}

	patchTarget := &patches.PatchTarget{

	CertificateRenewal = "certificate-renewal"

	// EtcdUpgrade flag instructs kubeadm to execute etcd upgrade during upgrades
	EtcdUpgrade = "etcd-upgrade"

	// Patches flag sets the folder where kubeadm component patches are stored
	Patches = "patches"

	// PrintManifest flag instructs kubeadm to print the addon manifests to STDOUT instead of installing them.
	PrintManifest = "print-manifest"

apiVersion: release-notes/v2
kind: feature
area: installation
releaseNotes:
- |

		`supported by kubectl. The default "patchtype" is "strategic". "extension" must be either ` +
		`"json" or "yaml". "suffix" is an optional string that can be used to determine ` +
		`which patches are applied first alpha-numerically.`
	fs.StringVar(patchesDir, Patches, *patchesDir, usage)

# People who have agreed to one of the CLAs and can contribute patches.
# The AUTHORS file lists the copyright holders; this file
# lists people.  For example, Google employees are listed here
# but not in AUTHORS, because Google holds the copyright.
#
# https://developers.google.com/open-source/cla/individual
# https://developers.google.com/open-source/cla/corporate
#
# Names should be added to this file as:
#     Name <email address>

// WebhookCertPatcher listens for webhooks on specified revision and patches their CA bundles
type WebhookCertPatcher struct {
	// revision to patch webhooks for
	revision    string
	webhookName string

	queue controllers.Queue

	// File path to the x509 certificate bundle used by the webhook server
	// and patched into the webhook config.
	CABundleWatcher *keycertbundle.Watcher

	webhooks kclient.Client[*v1.MutatingWebhookConfiguration]

	initCfg.NodeRegistration.IgnorePreflightErrors = sets.List(ignorePreflightErrorsSet)

	var patchesDir string
	if upgradeCfg.Node.Patches != nil {
		patchesDir = cmdutil.ValueFromFlagsOrConfig(cmd.Flags(), options.Patches, upgradeCfg.Node.Patches.Directory, nodeOptions.patchesDir).(string)
	} else {
		patchesDir = nodeOptions.patchesDir
	}

	return &nodeData{
		cfg:                   upgradeCfg,