License Header

All source files should start with this license header:

// 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.

It can be added either manually or by running the following in your repository directory:

dart pub global activate --source git https://github.com/mosuem/file_licenser
dart pub global run file_licenser .