class User {
  final String name;
  final List<String> cars;

  User(this.name, {this.cars});
}

main() {
  for (var i = 0; i < 100; i++) {
    const users = const {
      'Matan': const User(
        'Matan Lurey',
        cars: const [
          'Truck',
          'Jeep',
          'GoKart',
        ],
      ),
    };
  }
}