// Copyright (c) 2022, 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. // Allow base classes to be implemented by multiple classes in the same library. base class BaseClass { int foo = 0; } base class ClassForEnum {} abstract base class A implements BaseClass {} base class AImpl implements A { int foo = 1; } base class B implements BaseClass { int foo = 1; } enum EnumInside implements ClassForEnum { x }