TrkDetDescrSvc → TrkDetDescrUtils Relation

File in Tracking/TrkDetDescr/TrkDetDescrSvc/TrkDetDescrSvc	Includes file in Tracking/TrkDetDescr/TrkDetDescrUtils
TrackingGeometrySvc.h	TrkDetDescrUtils / LayerIndex.h
TrackingVolumesSvc.h	TrkDetDescrUtils / LayerIndex.h