extension DurationExtensions on Duration {
  String toMmSs() {
    final int minutes = inMinutes.remainder(60);
    final int seconds = inSeconds.remainder(60);
    return '${minutes.toString().padLeft(2, '0')}:${seconds.toString().padLeft(2, '0')}';
  }
}

extension IntTimeExtensions on int {
  String toMmSs() {
    final int minutes = this ~/ 60;
    final int seconds = this % 60;
    return '$minutes:${seconds.toString().padLeft(2, '0')}';
  }
}