pkg/front_end/testcases/nnbd/platform_nonnullable_fields/origin_lib.dart

// Copyright (c) 2020, 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 Class1 {}

class Class2 {
  Class2.constructor1();
}