2.1.2.10.2. Servant Class Example
class POA_AnInterface : public virtual ServantBase {
public:

    virtual ... AnOperation (...) = 0;

    ...
}

template <class T> class POA_AnInterface_tie : public POA_AnInterface {
public:

    POA_AnInterface_tie (T &t) : _ptr (t) { }

    ...

    ... AnOperation (...) { return (_ptr->AnOperation (...); }
}