@interface _LSSettingStoreChangeObserver : NSObject { id /* block */ block; struct NotifyToken { struct atomic<int> { struct __cxx_atomic_impl<int, std::__cxx_atomic_base_impl<int>> { _Atomic int __a_value; } __a_; } rawValue; } notifyToken; } - (id).cxx_construct; - (void).cxx_destruct; @end