optional string uid = 4;

  // If true, this reference points to the managing controller.
  // +optional
  optional bool controller = 6;

  // If true, AND if the owner has the "foregroundDeletion" finalizer, then
  // the owner cannot be deleted from the key-value store until this
  // reference is removed.
  // See https://kubernetes.io/docs/concepts/architecture/garbage-collection/#foreground-deletion

  //
  // An existing PVC with that name that is not owned by the pod
  // will *not* be used for the pod to avoid using an unrelated
  // volume by mistake. Starting the pod is then blocked until
  // the unrelated PVC is removed. If such a pre-created PVC is
  // meant to be used by the pod, the PVC has to updated with an
  // owner reference to the pod once the pod exists. Normally