// @dart = 2.9
abstract class Bar {
  ExternalValue externalInstanceMethod();
}

abstract class ExternalValue {}

class Box {
  var field;
}

class DynamicReceiver1 {
  dynamicallyCalled(x) {}
}

class DynamicReceiver2 {
  dynamicallyCalled(x) {}
}

class FinalBox {
  FinalBox(this.finalField);
  final finalField;
}

class Foo {
  instanceMethod() {}
}

class SubFinalBox extends FinalBox {
  SubFinalBox(value) : super(value);
}

external Bar createBar();
external bool externalStatic();
intArgument(x) {}
main() {}
staticMethod() {}
stringArgument(x) {}
void makeDynamicCall(receiver) {}