// +optional
  optional string selectedNode = 1;

  // PotentialNodes lists nodes where the Pod might be able to run.
  //
  // The size of this field is limited to 128. This is large enough for
  // many clusters. Larger clusters may need more attempts to find a node
  // that suits all pending resources. This may get increased in the
  // future, but not reduced.
  //
  // +listType=set
  // +optional

  // It is entirely possible to get an error and be able to continue determine authorization status in spite of it.
  // For instance, RBAC can be missing a role, but enough roles are still present and bound to reason about the request.
  // +optional
  optional string evaluationError = 3;
}

  // It is entirely possible to get an error and be able to continue determine authorization status in spite of it.
  // For instance, RBAC can be missing a role, but enough roles are still present and bound to reason about the request.
  // +optional
  optional string evaluationError = 3;
}

  // a direct binding between Ingress controller and Ingress resources. Newly
  // created Ingress resources should prefer using the field. However, even
  // though the annotation is officially deprecated, for backwards compatibility
  // reasons, ingress controllers should still honor that annotation if present.
  // +optional
  optional string ingressClassName = 4;

// kubelet plugin registration.
// CSINode has the same name as a node. If the object is missing, it means either
// there are no CSI Drivers available on the node, or the Kubelet version is low
// enough that it doesn't create this object.
// CSINode has an OwnerReference that points to the corresponding node object.
message CSINode {
  // metadata.name must be the Kubernetes node name.

  optional MetricValueStatus current = 2;

  // container is the name of the container in the pods of the scaling target
  optional string container = 3;
}

// CrossVersionObjectReference contains enough information to let you identify the referred resource.
message CrossVersionObjectReference {

  // container is the name of the container in the pods of the scaling taget
  optional string container = 4;
}

// CrossVersionObjectReference contains enough information to let you identify the referred resource.
// +structType=atomic
message CrossVersionObjectReference {

  optional MetricValueStatus current = 2;

  // container is the name of the container in the pods of the scaling target
  optional string container = 3;
}

// CrossVersionObjectReference contains enough information to let you identify the referred resource.
message CrossVersionObjectReference {

  // container is the name of the container in the pods of the scaling target
  optional string container = 4;
}

// CrossVersionObjectReference contains enough information to let you identify the referred resource.
message CrossVersionObjectReference {
  // Kind of the referent; More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds

// kubelet plugin registration.
// CSINode has the same name as a node. If the object is missing, it means either
// there are no CSI Drivers available on the node, or the Kubelet version is low
// enough that it doesn't create this object.
// CSINode has an OwnerReference that points to the corresponding node object.
message CSINode {
  // Standard object's metadata.
  // metadata.name must be the Kubernetes node name.