ITrkToLeptonPV Node1 ITrkToLeptonPV + matchTrkToPV() + npartVertex() + interfaceID() Node3 TrkToLeptonPVTool - m_beamSpotKey - m_fitterSvc + TrkToLeptonPVTool() + ~TrkToLeptonPVTool() + initialize() + finalize() + matchTrkToPV() + npartVertex() Node1->Node3 Node2 IAlgTool Node2->Node1