xAOD::NSWCandData_v1 Node1 xAOD::NSWCandData_v1   + NSWCandData_v1() + ~NSWCandData_v1() + bcid() + nSegments() + overflow() + fiberId() + boardId() + segmentWords() + segEtaIndex() + segPhiIndex() and 11 more... Node2 SG::AuxElement     Node2->Node1