class Super {
  void set extendedConcreteSetter(int i) {}
  void set extendedAbstractSetter(int i);
  void set extendedConcreteMixedInConcreteSetter(int i) {}
  void set extendedAbstractMixedInConcreteSetter(int i);
  void set extendedConcreteMixedInAbstractSetter(int i) {}
  void set extendedAbstractMixedInAbstractSetter(int i);
}

class Mixin {
  void set mixedInConcreteSetter(int i) {}
  void set mixedInAbstractSetter(int i);
  void set extendedConcreteMixedInConcreteSetter(int i) {}
  void set extendedAbstractMixedInConcreteSetter(int i) {}
  void set extendedConcreteMixedInAbstractSetter(int i);
  void set extendedAbstractMixedInAbstractSetter(int i);
}

class ClassMixin extends Super with Mixin {}

class NamedMixin = Super with Mixin;
main() {}