import 'dart:async';

FutureOr method1() => null;
FutureOr? method2() => null;
FutureOr<dynamic> method3() => null;
FutureOr<int> method4() => 0;
FutureOr<int?> method5() => null;
FutureOr<int?>? method6() => null;
late var field1 = method1();
late var field2 = method2();
late var field3 = method3();
late var field4 = method4();
late var field5 = method5();
late var field6 = method6();

class C<T> {
  late FutureOr field1;
  late FutureOr? field2;
  late FutureOr<T> field3;
  late FutureOr<T?> field4;
  late FutureOr<T?>? field5;
  method() {}
}

main() {}