TrigMuonEFInfo_p2 Node1 TrigMuonEFInfo_p2 + m_roi + TrigMuonEFInfo_p2() + ~TrigMuonEFInfo_p2() Node2 TPObjRef # m_index + TPObjRef() + TPObjRef() + isNull() + typeID() + topLevelCnvID() + index() Node2->Node1 +m_combinedTrack +m_extrapolatedTrack +m_spectrometerTrack Node3 TPObjRef::typeID_t + m_TLCnvID + m_cnvID + typeID_t() + topLevelCnvID() + cnvID() + value() + isNull() Node3->Node2 #m_typeID