// Data must contain the bytes that will be patched.
	Data []byte
}

// PatchManager defines an object that can apply patches.
type PatchManager struct {
	patchSets    []*patchSet
	knownTargets []string
	output       io.Writer
}

// patchSet defines a set of patches of a certain type that can patch a PatchTarget.
type patchSet struct {
	targetName string
	patchType  types.PatchType
	patches    []string
}

			merge.Merge(lis, lp.Value)
		}
	}
	patchListenerFilters(patchContext, patches[networking.EnvoyFilter_LISTENER_FILTER], lis)
	patchFilterChains(patchContext, patches, lis)
}

// patchListenerFilters patches passed in listener filters with listener filter patches.
func patchListenerFilters(patchContext networking.EnvoyFilter_PatchContext,
	patches []*model.EnvoyFilterConfigPatchWrapper,
	lis *listener.Listener,
) {

) (out *route.RouteConfiguration) {
	defer runtime.HandleCrash(runtime.LogPanic, func(any) {
		IncrementEnvoyFilterErrorMetric(Route)
		log.Errorf("route patch %s/%s caused panic, so the patches did not take effect", efw.Namespace, efw.Name)
	})
	// In case the patches cause panic, use the route generated before to reduce the influence.
	out = routeConfiguration
	if efw == nil {
		return out
	}

	var portMap model.GatewayPortMap

func (in *Patches) DeepCopyInto(out *Patches) {
	*out = *in
	return
}

// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Patches.
func (in *Patches) DeepCopy() *Patches {
	if in == nil {
		return nil
	}
	out := new(Patches)
	in.DeepCopyInto(out)
	return out
}

		return err
	}
	if err := s.AddGeneratedConversionFunc((*Patches)(nil), (*kubeadm.Patches)(nil), func(a, b interface{}, scope conversion.Scope) error {
		return Convert_v1beta3_Patches_To_kubeadm_Patches(a.(*Patches), b.(*kubeadm.Patches), scope)
	}); err != nil {
		return err
	}
	if err := s.AddGeneratedConversionFunc((*kubeadm.Patches)(nil), (*Patches)(nil), func(a, b interface{}, scope conversion.Scope) error {

func (in *Patches) DeepCopyInto(out *Patches) {
	*out = *in
	return
}

// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Patches.
func (in *Patches) DeepCopy() *Patches {
	if in == nil {
		return nil
	}
	out := new(Patches)
	in.DeepCopyInto(out)
	return out
}

	// 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"`
}

// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object

			name:   "don't clear changed clusterIP",
			svc:    makeValidService(),
			patch:  patches(setTypeExternalName, changeClusterIPs),
			expect: makeValidServiceCustom(setTypeExternalName, changeClusterIPs, clearIPFamilies, clearIPFamilyPolicy),
		}, {
			name:   "don't clear changed ipFamilies",
			svc:    makeValidService(),
			patch:  patches(setTypeExternalName, changeIPFamilies),

	// The flag "--skip-phases" takes precedence over this field.
	SkipPhases []string

	// Patches contains options related to applying patches to components deployed by kubeadm during
	// "kubeadm init".
	Patches *Patches

	// Timeouts holds various timeouts that apply to kubeadm commands.
	Timeouts *Timeouts
}

	} 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 {