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

class A<X extends core::Object = dynamic> extends core::Object {
  synthetic constructor •() → self::A<self::A::X>
    : super core::Object::•()
    ;
  method foo<generic-covariant-impl Y extends self::A::X = dynamic>() → dynamic {}
}
class B extends self::A<dynamic> {
  synthetic constructor •() → self::B
    : super self::A::•()
    ;
}
static method bar(self::B b) → dynamic {
  b.foo();
}
static method main() → dynamic {}