| // Copyright (c) 2025, 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. | |
| abstract class Base { | |
| int method1(int i) => i; | |
| int method2(int i, {int? j}) => i; | |
| int method3<T>(int i, {int? j}) => i; | |
| int method4<T>(int i, {int? j}) => i; | |
| } |