optional LimitResponse limitResponse = 2;

  // `lendablePercent` prescribes the fraction of the level's NominalCL that
  // can be borrowed by other priority levels. The value of this
  // field must be between 0 and 100, inclusive, and it defaults to 0.
  // The number of seats that other levels can borrow from this level, known
  // as this level's LendableConcurrencyLimit (LendableCL), is defined as follows.
  //

  // "selector" are unavailable after the eviction, i.e. even in absence of
  // the evicted pod. For example, one can prevent all voluntary evictions
  // by specifying 0. This is a mutually exclusive setting with "minAvailable".
  // +optional
  optional k8s.io.apimachinery.pkg.util.intstr.IntOrString maxUnavailable = 3;

  // UnhealthyPodEvictionPolicy defines the criteria for when unhealthy pods

  // targetValue is the target value of the metric (as a quantity).
  // Mutually exclusive with TargetAverageValue.
  // +optional
  optional k8s.io.apimachinery.pkg.api.resource.Quantity targetValue = 3;

  // targetAverageValue is the target per-pod value of global metric (as a quantity).
  // Mutually exclusive with TargetValue.
  // +optional

  // targetValue is the target value of the metric (as a quantity).
  // Mutually exclusive with TargetAverageValue.
  // +optional
  optional k8s.io.apimachinery.pkg.api.resource.Quantity targetValue = 3;

  // targetAverageValue is the target per-pod value of global metric (as a quantity).
  // Mutually exclusive with TargetValue.
  // +optional

  // Behaves similarly to SubPath but environment variable references $(VAR_NAME) are expanded using the container's environment.
  // Defaults to "" (volume's root).
  // SubPathExpr and SubPath are mutually exclusive.
  // +optional
  optional string subPathExpr = 6;
}

// VolumeNodeAffinity defines constraints that limit what nodes this volume can be accessed from.
message VolumeNodeAffinity {