marshalerType   = reflect.TypeOf((*json.Marshaler)(nil)).Elem()
	unmarshalerType = reflect.TypeOf((*json.Unmarshaler)(nil)).Elem()
)

// VerifyGroupNames ensures that all groups in the scheme ends with the k8s.io suffix.
// Exceptions can be tolerated using the legacyUnsuffixedGroups parameter
func VerifyGroupNames(scheme *runtime.Scheme, legacyUnsuffixedGroups sets.String) error {
	errs := []error{}
	for _, gv := range scheme.PrioritizedVersionsAllGroups() {

	// No new groups should be added to the legacyUnsuffixedGroups exclusion list
	if len(legacyUnsuffixedGroups) != 6 {
		t.Errorf("No additional unnamespaced groups should be created")
	}

	if err := apinamingtest.VerifyGroupNames(legacyscheme.Scheme, legacyUnsuffixedGroups); err != nil {
		t.Errorf("%v", err)
	}
}

// These types are registered in external versions, and therefore include json tags,