| // Copyright (c) 2023, the Dart project authors. Please see the AUTHORS file | |
| // for details. All rights reserved. Use of this source code is governed by a | |
| // BSD-style license that can be found in the LICENSE file. | |
| import '../locale/locale.dart'; | |
| import 'case_mapping_impl.dart'; | |
| CaseMappingImpl getCaseMapping4X(Locale locale, Null _) => | |
| throw UnimplementedError('Cannot use ICU4X in web environments.'); |