allErrs := field.ErrorList{}
	hasObjectMetrics := false
	hasExternalMetrics := false

	for i, metricSpec := range metrics {
		idxPath := fldPath.Index(i)
		if targetErrs := validateMetricSpec(metricSpec, idxPath); len(targetErrs) > 0 {
			allErrs = append(allErrs, targetErrs...)
		}
		if metricSpec.Type == autoscaling.ObjectMetricSourceType {
			hasObjectMetrics = true
		}