// List of objects depended by this object. If ALL objects in the list have
  // been deleted, this object will be garbage collected. If this object is managed by a controller,
  // then an entry in this list will point to this controller, with the controller field set to true.
  // There cannot be more than one managing controller.
  // +optional
  // +patchMergeKey=uid
  // +patchStrategy=merge