}
	if len(apiGroup) > 0 && !allowInvalidAPIGroupInDataSourceOrRef {
		for _, errString := range validation.IsDNS1123Subdomain(apiGroup) {
			allErrs = append(allErrs, field.Invalid(fldPath.Child("apiGroup"), apiGroup, errString))
		}
	}

	return allErrs
}

// validateDataSourceRef validates a DataSourceRef in a PersistentVolumeClaimSpec

###  Introduced KMS v2