library;
import self as self;
import "dart:core" as core;

class A<X extends core::Object = dynamic> extends core::Object {
  final field dynamic foo;
  synthetic constructor •() → self::A<self::A::X>
    ;
}
class B<Y extends core::Object = dynamic> extends self::A<self::B::Y> {
  final field dynamic foo;
  constructor •(dynamic foo) → self::B<self::B::Y>
    ;
}
static method main() → dynamic
  ;