// returned.
  // +k8s:conversion-gen=false
  // +optional
  optional Preconditions preconditions = 2;

  // Deprecated: please use the PropagationPolicy, this field will be deprecated in 1.7.
  // Should the dependent objects be orphaned. If true/false, the "orphan"
  // finalizer will be added to/removed from the object's finalizers list.
  // Either this field or PropagationPolicy may be set, but not both.
  // +optional