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

typedef A<contravariant T extends core::Object* = dynamic> = (T*) →* dynamic;
typedef B<contravariant U extends (U*) →* dynamic = (dynamic) →* dynamic> = (U*) →* dynamic;
class C extends core::Object {
  synthetic constructor •() → self::C*
    : super core::Object::•()
    ;
  method foo() → dynamic {
    ((dynamic) →* dynamic) →* dynamic b;
  }
}
static method main() → dynamic {
  ((dynamic) →* dynamic) →* dynamic b;
}