// +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

  // Total number of non-terminated pods targeted by this deployment (their labels match the selector).
  // +optional
  optional int32 replicas = 2;

  // Total number of non-terminated pods targeted by this deployment that have the desired template spec.
  // +optional
  optional int32 updatedReplicas = 3;

  // Total number of ready pods targeted by this deployment.
  // +optional

  // is not namespaced or the request targets all namespaces).
  // If this field is omitted or false then the `namespaces` field
  // must contain a non-empty list.
  // +optional
  optional bool clusterScope = 4;

  // `namespaces` is a list of target namespaces that restricts
  // matches.  A request that specifies a target namespace matches

  // is not namespaced or the request targets all namespaces).
  // If this field is omitted or false then the `namespaces` field
  // must contain a non-empty list.
  // +optional
  optional bool clusterScope = 4;

  // `namespaces` is a list of target namespaces that restricts
  // matches.  A request that specifies a target namespace matches

  // Total number of non-terminated pods targeted by this deployment (their labels match the selector).
  // +optional
  optional int32 replicas = 2;

  // Total number of non-terminated pods targeted by this deployment that have the desired template spec.
  // +optional
  optional int32 updatedReplicas = 3;

  // readyReplicas is the number of pods targeted by this Deployment controller with a Ready Condition.

// each of the pods of the current scale target(e.g. CPU or memory). The values will be
// averaged together before being compared to the target. Such metrics are built into
// Kubernetes, and have special scaling options on top of those available to
// normal per-pod metrics using the "pods" source. Only one "target" type
// should be set.
message ContainerResourceMetricSource {

  // metric identifies the target metric by name and selector
  optional MetricIdentifier metric = 1;

  // target specifies the target value for the given metric
  optional MetricTarget target = 2;
}

// ExternalMetricStatus indicates the current value of a global metric
// not associated with any Kubernetes object.
message ExternalMetricStatus {
  // metric identifies the target metric by name and selector

  // is not namespaced or the request targets all namespaces).
  // If this field is omitted or false then the `namespaces` field
  // must contain a non-empty list.
  // +optional
  optional bool clusterScope = 4;

  // `namespaces` is a list of target namespaces that restricts
  // matches.  A request that specifies a target namespace matches

  // is not namespaced or the request targets all namespaces).
  // If this field is omitted or false then the `namespaces` field
  // must contain a non-empty list.
  // +optional
  optional bool clusterScope = 4;

  // `namespaces` is a list of target namespaces that restricts
  // matches.  A request that specifies a target namespace matches

  // for a GetCapacityRequest with topology and parameters that match the
  // previous fields.
  //
  // This is defined since CSI spec 1.4.0 as the largest size
  // that may be used in a
  // CreateVolumeRequest.capacity_range.required_bytes field to
  // create a volume with the same parameters as those in
  // GetCapacityRequest. The corresponding value in the Kubernetes