<script>alert(1);</script>

extern void* CreateRenderer(void* window_ptr);
extern void* GetExistingRenderer(void* window_ptr);

class Window {
public:
    Window() {
        window_ptr = CreateWindow();
    }
    
    ~Window() {
        DestroyWindow(window_ptr);
    }

private:
    void* window_ptr;
}

class Renderer {
public:
    Renderer(???) {
        
    }
    
    ~Renderer() {
        DestroyRenderer(renderer_ptr);
    }

private:
    void* renderer_ptr;
}


int main() {
    // ??? window = ???
    // ??? renderer = ???

    // Call methods of window and renderer
    
    // Pass window to other functions where it might be necessary to get a renderer for the window
}