library /*isNonNullableByDefault*/;
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 bar<covariant-by-class Y extends self::A::X%>() → dynamic
    return throw "";
}
class B extends core::Object {
  synthetic constructor •() → self::B
    : super core::Object::•()
    ;
  static method foo<Y extends core::Object>() → self::A<self::B::foo::Y>
    return throw "";
}
static method baz() → dynamic {
  self::B::foo<core::Object>().{self::A::bar}<core::String>(){() → dynamic};
}
static method main() → dynamic {}