allErrs := field.ErrorList{}
	if rules != nil {
		if rules.StabilizationWindowSeconds != nil && *rules.StabilizationWindowSeconds < 0 {
			allErrs = append(allErrs, field.Invalid(fldPath.Child("stabilizationWindowSeconds"), rules.StabilizationWindowSeconds, "must be greater than or equal to zero"))
		}
		if rules.StabilizationWindowSeconds != nil && *rules.StabilizationWindowSeconds > MaxStabilizationWindowSeconds {

	// - For scale down: 300 (i.e. the stabilization window is 300 seconds long).
	// +optional
	StabilizationWindowSeconds *int32 `json:"stabilizationWindowSeconds,omitempty" protobuf:"varint,3,opt,name=stabilizationWindowSeconds"`

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

// number of replicas is not set instantly, instead, the safest value from the stabilization
// window is chosen.
message HPAScalingRules {
  // stabilizationWindowSeconds is the number of seconds for which past recommendations should be
  // considered while scaling up or scaling down.
  // StabilizationWindowSeconds must be greater than or equal to zero and less than or equal to 3600 (one hour).
  // If not set, use the default values:

// number of replicas is not set instantly, instead, the safest value from the stabilization
// window is chosen.
message HPAScalingRules {
  // stabilizationWindowSeconds is the number of seconds for which past recommendations should be
  // considered while scaling up or scaling down.
  // StabilizationWindowSeconds must be greater than or equal to zero and less than or equal to 3600 (one hour).
  // If not set, use the default values:

// number of replicas is not set instantly, instead, the safest value from the stabilization
// window is chosen.
message HPAScalingRules {
  // stabilizationWindowSeconds is the number of seconds for which past recommendations should be
  // considered while scaling up or scaling down.
  // StabilizationWindowSeconds must be greater than or equal to zero and less than or equal to 3600 (one hour).
  // If not set, use the default values:

// number of replicas is not set instantly, instead, the safest value from the stabilization
// window is chosen.
message HPAScalingRules {
  // stabilizationWindowSeconds is the number of seconds for which past recommendations should be
  // considered while scaling up or scaling down.
  // StabilizationWindowSeconds must be greater than or equal to zero and less than or equal to 3600 (one hour).
  // If not set, use the default values: