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

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