// 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. // @dart=2.9 class Class1 { } class Class2 {} extension DuplicateExtensionName on Class1 { uniqueMethod1() {} duplicateMethodName2() => 1; } extension DuplicateExtensionName on Class2 { uniqueMethod2() {} duplicateMethodName2() => 2; } extension UniqueExtensionName on Class1 { duplicateMethodName1() => 1; duplicateMethodName1() => 2; } main() { var c1 = new Class1(); c1.uniqueMethod1(); } errors() { var c2 = new Class2(); c2.uniqueMethod2(); }