ActsTrk::TruthGuidedProtoTrackCreatorTool Node1 ActsTrk::TruthGuidedProto TrackCreatorTool # m_prdMultiTruthCollection Names + TruthGuidedProtoTrackCreatorTool() + ~TruthGuidedProtoTrackCreatorTool() + initialize() + findProtoTracks() # makeDummyParams() Node2 extends< AthAlgTool, ActsTrk::IProtoTrackCreator Tool > Node2->Node1