S>class Wrapper {
S>private:
S>    unique_ptr<TrackedClass> _trackedClass;
    
S>public:
S>    Wrapper() : _trackedClass(new TrackedClass(1)) {
S>    }
    
S>    unique_ptr<TrackedClass> take() {
S>        return std::move(_trackedClass);;
S>    }
S>};