versions → xAODTruth Relation

File in Event/xAOD/xAODParticleEvent/xAODParticleEvent/versions	Includes file in Event/xAOD/xAODTruth
CompositeParticle_v1.h	xAODTruth / Event/xAOD/xAODTruth/xAODTruth/TruthParticle.h