// 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.

import 'dart:_internal';

void main(List<String> args) {
  // Ensure we can import and use members of `dart:_internal`.
  print(unsafeCast);
}