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

class B extends core::Object {
  covariant field core::num* x = null;
  synthetic constructor •() → self::B*
    : super core::Object::•()
    ;
}
class C extends core::Object {
  field core::int* x = null;
  synthetic constructor •() → self::C*
    : super core::Object::•()
    ;
}
class D extends self::C implements self::B {
  synthetic constructor •() → self::D*
    : super self::C::•()
    ;
  forwarding-stub set x(covariant core::num* _) → void
    return super.{self::C::x} = _;
}
static method main() → void {}