// 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.

// SharedOptions=--enable-experiment=nonfunction-type-aliases

import 'dart:async';

// Introduce an aliased type.

typedef T<X> = Object;

// Use the aliased type.

abstract class C {}

abstract class D2 extends C with T<int> {}
//                               ^
// [analyzer] unspecified
// [cfe] unspecified

abstract class D4 = C with T<void>;
//                         ^
// [analyzer] unspecified
// [cfe] unspecified

main() {
  T<Null>.named();
  //      ^
  // [analyzer] unspecified
  // [cfe] unspecified

  T<List<List<List<List>>>>.staticMethod<T<int>>();
  //                        ^^^^^^^^^^^^
  // [analyzer] unspecified
  // [cfe] unspecified
}