Trk::MuonTrackSummary_p1 Node1 Trk::MuonTrackSummary_p1 + m_nscatterers + m_npseudoMeasurements + MuonTrackSummary_p1() Node2 std::vector< int > + elements Node2->Node1 +nPhihits +nPhideltas +nEtahits +nEtaoutliers +nPhioutliers +nEtaholes +nEtacloseHits +nEtadeltas +nPhicloseHits +nPhiholes ... Node3 std::vector< bool > + elements Node3->Node1 +m_isMdt Node4 std::vector< unsigned int > + elements Node4->Node1 +m_chId