IDTPM2::GenericAncestorFinder< T, Predicate > Node1 IDTPM2::GenericAncestorFinder < T, Predicate > - m_predicate + GenericAncestorFinder() + predicate() Node2 IDTPM2::IFinder< T >   + ~IFinder() + findAncestor() + predicate() Node2->Node1