TrigVertex_p1 Node1 TrigVertex_p1 - m_x - m_y - m_z - m_mass - m_massVar - m_cov - m_energyFraction - m_nTwoTracksSecVtx - m_chiSquared - m_nDOF - m_algId + TrigVertex_p1() + ~TrigVertex_p1() 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