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

class Class extends core::Object {
  field core::int? field = null;
  synthetic constructor •() → self::Class*
    : super core::Object::•()
    ;
  method method() → core::int?
    return this.{self::Class::field};
  operator +(self::Class other) → self::Class
    return new self::Class::•();
}
static method main() → dynamic {
  self::Class? c = new self::Class::•();
  c!;
  c!.{self::Class::field};
  c!.{self::Class::field} = 42;
  c!.{self::Class::method};
  c!.{self::Class::method}();
  c!.{self::Class::field}!.{core::int::toString}();
  c!.{self::Class::method}()!.{core::int::toString}();
  c!.{self::Class::+}(c);
  c!.{self::Class::+}(c!);
  c.{self::Class::+}(c!);
  c.{self::Class::+}(c)!;
  core::bool? o = true;
  !o! ?{core::bool} !o! : !!o!!;
  !o! ?{core::bool} (!o)! : (!(!o)!)!;
}