}
		printVerbosef(cmd, "sync status: %+v", configVersions)
		sdcnum += len(configVersions)
		for _, configVersion := range configVersions {
			if proxyID != "" && configVersion.ProxyID != proxyID {
				continue
			}
			countVersions(versionCount, configVersion.ClusterVersion)
			countVersions(versionCount, configVersion.RouteVersion)
			countVersions(versionCount, configVersion.ListenerVersion)

		in, out := &in.AvailableUpgrades, &out.AvailableUpgrades
		*out = make([]AvailableUpgrade, len(*in))
		for i := range *in {
			(*in)[i].DeepCopyInto(&(*out)[i])
		}
	}
	if in.ConfigVersions != nil {
		in, out := &in.ConfigVersions, &out.ConfigVersions
		*out = make([]ComponentConfigVersionState, len(*in))
		copy(*out, *in)
	}
	return
}

		in, out := &in.AvailableUpgrades, &out.AvailableUpgrades
		*out = make([]AvailableUpgrade, len(*in))
		for i := range *in {
			(*in)[i].DeepCopyInto(&(*out)[i])
		}
	}
	if in.ConfigVersions != nil {
		in, out := &in.ConfigVersions, &out.ConfigVersions
		*out = make([]ComponentConfigVersionState, len(*in))
		copy(*out, *in)
	}
	return
}

// produced by 'kubeadm upgrade plan'
type UpgradePlan struct {
	metav1.TypeMeta

	AvailableUpgrades []AvailableUpgrade `json:"availableUpgrades,omitempty"`

	ConfigVersions []ComponentConfigVersionState `json:"configVersions,omitempty"`
}

// Certificate represents information for a certificate or a certificate authority when using the check-expiration command.
type Certificate struct {
	// Name of the certificate.

// genUpgradePlan generates upgrade plan from available upgrades and component config version states
func genUpgradePlan(availUpgrades []upgrade.Upgrade, configVersions []outputapiv1alpha3.ComponentConfigVersionState) *outputapiv1alpha3.UpgradePlan {
	plan := &outputapiv1alpha3.UpgradePlan{ConfigVersions: configVersions}
	for _, up := range availUpgrades {
		plan.AvailableUpgrades = append(plan.AvailableUpgrades, genAvailableUpgrade(&up))
	}
	return plan

	out.AvailableUpgrades = *(*[]output.AvailableUpgrade)(unsafe.Pointer(&in.AvailableUpgrades))
	out.ConfigVersions = *(*[]output.ComponentConfigVersionState)(unsafe.Pointer(&in.ConfigVersions))
	return nil
}

// Convert_v1alpha3_UpgradePlan_To_output_UpgradePlan is an autogenerated conversion function.

// UpgradePlan represents information about upgrade plan for the output
// produced by 'kubeadm upgrade plan'
type UpgradePlan struct {
	metav1.TypeMeta

	AvailableUpgrades []AvailableUpgrade

	ConfigVersions []ComponentConfigVersionState
}

// Certificate represents information for a certificate or a certificate authority when using the check-expiration command.
type Certificate struct {
	// Name of the certificate.

                    "currentVersion": "3.0.17",
                    "newVersion": "3.0.17",
                    "nodeName": "node1"
                }
            ]
        }
    ],
    "configVersions": [
        {
            "group": "kubeproxy.config.k8s.io",
            "currentVersion": "v1alpha1",
            "preferredVersion": "v1alpha1",
            "manualUpgradeRequired": false
        },

	config, configVersion, err := configstore.Download("latest", rcfg.Env)
	if err != nil {
		return nil, err
	}

	// Set the start time, if it is not provided.
	startTime := time.Now().UTC()
	if !rcfg.StartTime.IsZero() {
		startTime = rcfg.StartTime
	}

	return &uploader{
		config:          config,
		configVersion:   configVersion,
		dir:             dir,

	if len(nonce) < VersionLen {
		return ""
	}
	configVersion := nonce[:VersionLen]
	result, ok := cache[configVersion]
	if !ok {
		lookupResult, err := s.Env.GetLedger().GetPreviousValue(configVersion, key)
		if err != nil {
			istiolog.Errorf("Unable to retrieve resource %s at version %s: %v", key, configVersion, err)
			lookupResult = ""
		}