ColumnarMuon → Event Relation

File in PhysicsAnalysis/Columnar/ColumnarMuon	Includes file in Event
ColumnarMuon / MuonDef.h	xAOD / xAODMuon / xAODMuon / Event/xAOD/xAODMuon/xAODMuon/MuonContainer.h