abstract class Interface2 {
  int get field;
}

class Class1 {
  Class1(this.field);
  int field;
}

class Class2 implements Interface2 {
  Class2(this.field);
  final field;
}

expect(expected, actual) {}
final bool inSoundMode = <int?>[] is! List<int>;
main() {}
testInferred() {}
throws(Function() f, {bool inSoundModeOnly: false}) {}
var Class1_new = Class1.new;
var Class2_new = Class2.new;