code: func NewRolloutUndoOptions(streams genericclioptions.IOStreams) *UndoOptions {
  	return &UndoOptions{
  		PrintFlags: genericclioptions.NewPrintFlags("rolled back").WithTypeSetter(scheme.Scheme),
  		IOStreams:  streams,
  		ToRevision: int64(0),
  	}
  }
docs: // NewRolloutUndoOptions returns an initialized UndoOptions instance