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

abstract class A extends core::Object {
  synthetic constructor •() → void
    : super core::Object::•()
    ;
  abstract get x() → core::num;
}
abstract class B extends self::A {
  synthetic constructor •() → void
    : super self::A::•()
    ;
  abstract get x() → core::int;
}
class C extends self::B {
  field dynamic x = null;
  synthetic constructor •() → void
    : super self::B::•()
    ;
}
static method main() → dynamic {}