gistfile1.txt

interface ManagerAdder
{
   void AddComponent(BaseComponent c);
}
   
class ManagerAdder<T> : ManagerAdder
{
    IManager<T> _manager;
    public ManagerAdder(IManager<T> manager)
    {
       _manager = manager;
    }
    
    void AddComponent(BaseComponent c)
    {
       if (typeof(T).IsAssignableFrom(c))
          _manager.AddComponent((T)c);
    }
}