TrigVertex_p2 Node1 TrigVertex_p2 - m_allFloats - m_allInts + TrigVertex_p2() + ~TrigVertex_p2() Node2 std::vector< TPObjRef > Node2->Node1 -m_tracks Node3 TPObjRef # m_index + TPObjRef() + TPObjRef() + isNull() + typeID() + topLevelCnvID() + index() Node3->Node2 +elements Node4 TPObjRef::typeID_t + m_TLCnvID + m_cnvID + typeID_t() + topLevelCnvID() + cnvID() + value() + isNull() Node4->Node3 #m_typeID