GCPProject string

	// Istiod address. For MCP may be different than Xds.
	IstiodAddr string
}

// AttachControlPlaneFlags attaches control-plane flags to a Cobra command.
// (Currently just --endpoint)
func (o *CentralControlPlaneOptions) AttachControlPlaneFlags(cmd *cobra.Command) {
	cmd.PersistentFlags().StringVar(&o.Xds, "xds-address", viper.GetString("XDS-ADDRESS"),
		"XDS Endpoint")

type ControlPlaneOptions struct {
	// Revision is the istio.io/rev control plane revision
	Revision string
}

// AttachControlPlaneFlags attaches control-plane flags to a Cobra command.
// (Currently just --revision)
func (o *ControlPlaneOptions) AttachControlPlaneFlags(cmd *cobra.Command) {
	cmd.PersistentFlags().StringVarP(&o.Revision, "revision", "r", "",
		"Control plane revision")

				return err
			}
			if newResponse != nil {
				return sw.PrintAll(newResponse)
			}

			return sw.PrintAll(xdsResponses)
		},
	}

	opts.AttachControlPlaneFlags(debugCommand)
	centralOpts.AttachControlPlaneFlags(debugCommand)
	debugCommand.Long += "\n\n" + util.ExperimentalMsg
	debugCommand.PersistentFlags().BoolVar(&internalDebugAllIstiod, "all", false,

				Namespace: ctx.Namespace(),
			}
			return sw.PrintAll(xdsResponses)
		},
		ValidArgsFunction: completion.ValidPodsNameArgs(ctx),
	}

	opts.AttachControlPlaneFlags(statusCmd)
	centralOpts.AttachControlPlaneFlags(statusCmd)
	statusCmd.PersistentFlags().StringVarP(&configDumpFile, "file", "f", "",
		"Envoy config dump JSON file")

		GetRemoteVersion: xdsRemoteVersionWrapper(ctx, &opts, &centralOpts, &xdsResponses),
		GetProxyVersions: xdsProxyVersionWrapper(&xdsResponses),
	})
	opts.AttachControlPlaneFlags(versionCmd)
	centralOpts.AttachControlPlaneFlags(versionCmd)
	versionCmd.Args = func(c *cobra.Command, args []string) error {
		if err := cobra.NoArgs(c, args); err != nil {
			return err
		}

			if err != nil {
				return err
			}
			return writeMulticlusterStatus(cmd.OutOrStdout(), res)
		},
	}
	opts.AttachControlPlaneFlags(cmd)
	return cmd
}

func writeMulticlusterStatus(out io.Writer, input map[string][]byte) error {
	statuses, err := parseClusterStatuses(input)
	if err != nil {
		return err
	}