}
	}

	var expectedField string
	switch spec.Type {

	case autoscaling.ObjectMetricSourceType:
		if spec.Object == nil {
			allErrs = append(allErrs, field.Required(fldPath.Child("object"), "must populate information for the given metric source"))
		}
		expectedField = "object"
	case autoscaling.PodsMetricSourceType:
		if spec.Pods == nil {