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

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