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;
  operator? (){}
  field2;
  late FutureOr<T> (){}
  field3;
  late FutureOr<T?> (){}
  field4;
  late FutureOr<T?>(){}
  operator? (){}
  field5;
  method() {}
}
main() {}