class GenericMethodBounds<T> {
  GenericMethodBounds<E> bar<E extends void Function(T)>() =>
      new GenericMethodBounds<E>();
  GenericMethodBounds<E> foo<E extends T>() => new GenericMethodBounds<E>();
  Type get t => T;
}

class GenericMethodBoundsDerived extends GenericMethodBounds<num> {
  GenericMethodBounds<E> bar<E extends void Function(num)>() =>
      new GenericMethodBounds<E>();
  GenericMethodBounds<E> foo<E extends num>() => new GenericMethodBounds<E>();
}

main() {}