ActsTrk::RandomProtoTrackCreatorTool Node1 ActsTrk::RandomProtoTrack CreatorTool + RandomProtoTrackCreatorTool() + ~RandomProtoTrackCreatorTool() + findProtoTracks() # makeDummyParams() # getMeasurementPos() Node2 extends< AthAlgTool, ActsTrk::IProtoTrackCreator Tool > Node2->Node1