library /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;

class A<X extends core::Object? = dynamic, contravariant Y extends core::Object? = dynamic, invariant Z extends core::Object? = dynamic> extends core::Object {
  synthetic constructor •() → self::A<self::A::X%, self::A::Y%, self::A::Z%>
    : super core::Object::•()
    ;
}
static method main() → dynamic {
  self::A<dynamic, dynamic, dynamic> a = new self::A::•<dynamic, dynamic, dynamic>();
}