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

import "dart:async";

typedef F1 = () → self::A<FutureOr<dynamic>>;
typedef F2 = () → self::A<dynamic>;
typedef F3 = () → self::A<FutureOr<FutureOr<dynamic>?>>;
typedef F4 = () → self::A<dynamic>;
class Check extends core::Object /*hasConstConstructor*/  {
  final field dynamic _ignored;
  const constructor •(dynamic x, dynamic y) → self::Check
    : assert(core::identical(x, y)), self::Check::_ignored = core::identical(x, y) ?{core::int} 42 : 1.{core::num::~/}(0), super core::Object::•()
    ;
}
class A<X extends core::Object? = dynamic> extends core::Object /*hasConstConstructor*/  {
  const constructor •() → self::A<self::A::X%>
    : super core::Object::•()
    ;
}
static method expectEqual(dynamic x, dynamic y) → void
  ;
static method test1() → dynamic
  ;
static method main() → dynamic
  ;