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

typedef F<contravariant T extends core::Object* = dynamic> = (T*) →* void;
class C<T extends core::Object* = dynamic> extends core::Object {
  field (self::C::T*) →* void y = null;
  synthetic constructor •() → self::C<self::C::T*>*
    : super core::Object::•()
    ;
  method f() → void {
    (self::C::T*) →* void x = this.{self::C::y};
  }
}
static method g(self::C<core::num*>* c) → void {
  (core::num*) →* void x = c.{self::C::y} as{TypeError} (core::num*) →* void;
}
static method main() → void {}