Graphical Class Hierarchy Node0 InDet::ITRT_TrackSegments Maker::IEventData Node1 Trk::EventDataBase < EventData, InDet:: ITRT_TrackSegmentsMaker ::IEventData > Node0->Node1 Node2 InDet::TRT_TrackSegments Maker_ATLxk::EventData Node1->Node2 Node3 InDet::TRT_TrackSegments Maker_BarrelCosmics::EventData Node1->Node3 Node4 InDet::TRT_TrackSegments Maker_ECcosmics::EventData Node1->Node4