// operation, i.e. the external-attacher.
  optional bool attached = 1;

  // attachmentMetadata is populated with any
  // information returned by the attach operation, upon successful attach, that must be passed
  // into subsequent WaitForAttach or Mount calls.
  // This field must only be set by the entity completing the attach
  // operation, i.e. the external-attacher.

	Plaintext bool

	// GCP project number or ID to use for XDS calls, if any.
	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) {

// ControlPlaneOptions defines common options used by istioctl.
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", "",