//   - How are requests for this priority level limited?
//   - What should be done with requests that exceed the limit?
message LimitedPriorityLevelConfiguration {
  // `assuredConcurrencyShares` (ACS) configures the execution
  // limit, which is a limit on the number of requests of this
  // priority level that may be exeucting at a given time.  ACS must
  // be a positive number. The server's concurrency limit (SCL) is

//   - How are requests for this priority level limited?
//   - What should be done with requests that exceed the limit?
message LimitedPriorityLevelConfiguration {
  // `assuredConcurrencyShares` (ACS) configures the execution
  // limit, which is a limit on the number of requests of this
  // priority level that may be exeucting at a given time.  ACS must
  // be a positive number. The server's concurrency limit (SCL) is

  //   See https://pkg.go.dev/k8s.io/apiserver/pkg/cel/library#Authz
  // 'authorizer.requestResource' - A CEL ResourceCheck constructed from the 'authorizer' and configured with the
  //   request resource.
  // Documentation on CEL: https://kubernetes.io/docs/reference/using-api/cel/
  //
  // Required.
  optional string expression = 2;
}

  // PeriodSeconds must be greater than zero and less than or equal to 1800 (30 min).
  optional int32 periodSeconds = 3;
}

// HPAScalingRules configures the scaling behavior for one direction.
// These Rules are applied after calculating DesiredReplicas from metrics for the HPA.
// They can limit the scaling velocity by specifying scaling policies.

//   - How are requests for this priority level limited?
//   - What should be done with requests that exceed the limit?
message LimitedPriorityLevelConfiguration {
  // `assuredConcurrencyShares` (ACS) configures the execution
  // limit, which is a limit on the number of requests of this
  // priority level that may be exeucting at a given time.  ACS must
  // be a positive number. The server's concurrency limit (SCL) is

  //
  // LendableCL(i) = round( NominalCL(i) * lendablePercent(i)/100.0 )
  //
  // +optional
  optional int32 lendablePercent = 3;

  // `borrowingLimitPercent`, if present, configures a limit on how many
  // seats this priority level can borrow from other priority levels.
  // The limit is known as this level's BorrowingConcurrencyLimit
  // (BorrowingCL) and is a limit on the total number of seats that this

  // 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
  // available.
  // +optional
  optional int32 minReplicas = 2;

  // +mapType=atomic
  map<string, string> nodeSelector = 7;

  // ServiceAccountName is the name of the ServiceAccount to use to run this pod.
  // More info: https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/
  // +optional
  optional string serviceAccountName = 8;

  // DeprecatedServiceAccount is a depreciated alias for ServiceAccountName.
  // Deprecated: Use serviceAccountName instead.

  // PeriodSeconds must be greater than zero and less than or equal to 1800 (30 min).
  optional int32 periodSeconds = 3;
}

// HPAScalingRules configures the scaling behavior for one direction.
// These Rules are applied after calculating DesiredReplicas from metrics for the HPA.
// They can limit the scaling velocity by specifying scaling policies.

  // An empty or nil nodeSelector selects all nodes.
  // This field is immutable.
  // +optional
  optional k8s.io.api.core.v1.NodeSelector nodeSelector = 1;

  // perNodeHostBits defines the number of host bits to be configured per node.
  // A subnet mask determines how much of the address is used for network bits
  // and host bits. For example an IPv4 address of 192.168.0.0/24, splits the