pkg/front_end/testcases/class_modifiers/issue52115/main_lib.dart

// 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.

/// Legacy library which defines some classes and mixins to be used to test
/// behaviors across libraries.

// @dart=2.19

import 'dart:collection';

abstract class LegacyImplementBaseCore<E extends LinkedListEntry<E>>
    implements LinkedList<E> {}

class LegacyImplementFinalCore implements MapEntry<int, int> {
  int get key => 0;
  int get value => 1;
  String toString() => "Bad";
}