code: func NewSpecFromPersistentVolume(pv *v1.PersistentVolume, readOnly bool) *Spec {
  	return &Spec{
  		PersistentVolume: pv,
  		ReadOnly:         readOnly,
  	}
  }
docs: // NewSpecFromPersistentVolume creates an Spec from an v1.PersistentVolume