// Copyright (c) 2019, 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. | |
/*library: nnbd=true*/ | |
abstract class Interface { | |
int? method1(); | |
int method2(); | |
int? method3(); | |
int method4(); | |
} | |
class Class { | |
int method1() => /*int!*/ 0; | |
int? method2() => /*int!*/ 0; | |
} |