Muon::SortByIPMuPatHits Node1 Muon::SortByIPMuPatHits + SortByIPMuPatHits() + operator()() + operator()() Node2 Muon::IMuonIdHelperSvc + DeclareInterfaceID() + ~IMuonIdHelperSvc() + toString() + toStringTech() + toStringStation() + toStringChamber() + toStringDetEl() + toStringGasGap() + chamberNameString() + isMuon() and 43 more... Node2->Node1 +m_idh Node3 IService Node3->Node2