// the default priority for pods that do not have any priority class.
  // Only one PriorityClass can be marked as `globalDefault`. However, if more than
  // one PriorityClasses exists with their `globalDefault` field set to true,
  // the smallest value of such global default PriorityClasses will be used as the default priority.
  // +optional
  optional bool globalDefault = 3;

  optional string kind = 1;

  // APIVersion holds the API group and version of the referenced subject.
  // Defaults to "v1" for ServiceAccount subjects.
  // Defaults to "rbac.authorization.k8s.io/v1alpha1" for User and Group subjects.
  // +k8s:conversion-gen=false
  // +optional
  optional string apiVersion = 2;

  // Name of the object being referenced.

  // If the Authorizer does not recognized the kind value, the Authorizer should report an error.
  optional string kind = 1;

  // APIGroup holds the API group of the referenced subject.
  // Defaults to "" for ServiceAccount subjects.
  // Defaults to "rbac.authorization.k8s.io" for User and Group subjects.
  // +optional
  optional string apiGroup = 2;

  // Name of the object being referenced.
  optional string name = 3;

  // Refer to the specific FSGroupPolicy values for additional details.
  //
  // This field is immutable.
  //
  // Defaults to ReadWriteOnceWithFSType, which will examine each volume
  // to determine if Kubernetes should modify ownership and permissions of the volume.
  // With the default policy the defined fsGroup will only be applied
  // if a fstype is defined and the volume's access mode contains ReadWriteOnce.
  //

  // a request to apps/v1beta1 or extensions/v1beta1 would be converted to apps/v1 and sent to the ValidatingAdmissionPolicy.
  //
  // Defaults to "Equivalent"
  // +optional
  optional string matchPolicy = 7;
}

// NamedRuleWithOperations is a tuple of Operations and Resources with ResourceNames.
// +structType=atomic

  // Default to false.
  // +k8s:conversion-gen=false
  // +optional
  optional bool hostNetwork = 11;

  // Use the host's pid namespace.
  // Optional: Default to false.
  // +k8s:conversion-gen=false
  // +optional
  optional bool hostPID = 12;

  // Use the host's ipc namespace.
  // Optional: Default to false.
  // +k8s:conversion-gen=false
  // +optional

  // field.  This field has a default value of 8.
  // +optional
  optional int32 handSize = 2;

  // `queueLengthLimit` is the maximum number of requests allowed to
  // be waiting in a given queue of this priority level at a time;
  // excess requests are rejected.  This value must be positive.  If
  // not specified, it will be defaulted to 50.
  // +optional
  optional int32 queueLengthLimit = 3;

  // field.  This field has a default value of 8.
  // +optional
  optional int32 handSize = 2;

  // `queueLengthLimit` is the maximum number of requests allowed to
  // be waiting in a given queue of this priority level at a time;
  // excess requests are rejected.  This value must be positive.  If
  // not specified, it will be defaulted to 50.
  // +optional
  optional int32 queueLengthLimit = 3;

  // If not set, use the default values:
  // - For scale up: 0 (i.e. no stabilization is done).
  // - For scale down: 300 (i.e. the stabilization window is 300 seconds long).
  // +optional
  optional int32 stabilizationWindowSeconds = 3;

  // selectPolicy is used to specify which policy should be used.
  // If not set, the default value Max is used.
  // +optional

  optional CrossVersionObjectReference scaleTargetRef = 1;

  // minReplicas is the lower limit for the number of replicas to which the autoscaler
  // can scale down.  It defaults to 1 pod.  minReplicas is allowed to be 0 if the
  // alpha feature gate HPAScaleToZero is enabled and at least one Object or External
  // metric is configured.  Scaling is active as long as at least one metric value is