xAOD::L1NSWCandData_v1 Node1 xAOD::L1NSWCandData_v1   + L1NSWCandData_v1() + ~L1NSWCandData_v1() + l1Bcid() + l1NSegments() + l1Overflow() + fiberID() + boardID() + l1SegmentWord() + segEtaIndex() + segPhiIndex() and 11 more... Node2 SG::AuxElement     Node2->Node1