optional string kind = 1;

  // Name of the referent.
  // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names#names
  optional string name = 3;

  // UID of the referent.
  // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names#uids
  optional string uid = 4;

  // If true, this reference points to the managing controller.
  // +optional