xxxxxxxxxx
import './models/transaction.dart';
############## OR #################
import 'package:first_app/models/Transaction.dart';
xxxxxxxxxx
export 'BaseContent.dart';
export 'FreeText.dart';
export 'Generic.dart';
export 'Numeric.dart';
export 'Identity.dart';
xxxxxxxxxx
//globals.dart
final String lang = 'Dart!';
//main.dart
import 'globals.dart';
main() {
print(lang)
}