pkg/front_end/testcases/general/deferred_lib2.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.

class A {}

extension type ET1(int i) {}

extension type ET2(A i) {}

typedef B = int;

mixin M {}