desc

main.dart

class BookingCheckoutData {
  
}

class MyDataClass {
  
}

BookingCheckoutData hello() {
  return getData()  ?? getBookingCheckoutData();
}

MyDataClass getData() {
  return MyDataClass();
}

BookingCheckoutData getBookingCheckoutData() {
  return BookingCheckoutData();
}

void main() {
  for (int i = 0; i < 5; i++) {
    print('hello ${i + 1}');
  }
}