Dart magic

main.dart

void main() {
  print('1. Start main');

  Future.delayed(
    const Duration(seconds: 1),
    () => print('3.  => Timeout Future #1'),
  );

  Future.delayed(
    const Duration(seconds: 2),
    () => print('4.  => Timeout Future #2'),
  );

  print('2. End main');
}