// Copyright (c) 2018, 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 = 2.7

abstract class I {
  // ignore: unused_element
  int _m1();

  // ignore: unused_element
  int _m2();
}