Trk::Vertex Node1 Trk::Vertex - m_position + Vertex() + Vertex() + Vertex() + operator=() + Vertex() + operator=() + ~Vertex() + dump() + dump() + position() Node2 Trk::ObjectCounter < Trk::Vertex > + s_numberOfInstantiations + numberOfInstantiations() # ObjectCounter() # ObjectCounter() # ObjectCounter() # ~ObjectCounter() # operator=() # operator=() Node2->Node1