org-dartlang-testcase:///main.dart:
import 'nonexisting.dart' if (dart.library.io) 'exists.dart';
export 'nonexisting.dart' if (dart.library.html) 'exists2.dart' if (dart.library.io) 'exists.dart';
Foo x() {}


org-dartlang-testcase:///exists2.dart:
class Foo2 {}


org-dartlang-testcase:///exists.dart:
export 'nonexisting.dart' if (dart.library.io) 'exists2.dart';
class Foo {}