TrigInDetTrackFitPar Node1 TrigInDetTrackFitPar - m_a0 - m_phi0 - m_z0 - m_eta - m_pT - m_ea0 - m_ephi0 - m_ez0 - m_eeta - m_epT - m_surfaceType - m_surfaceCoordinate + TrigInDetTrackFitPar() + TrigInDetTrackFitPar() + TrigInDetTrackFitPar() + TrigInDetTrackFitPar() + TrigInDetTrackFitPar() + TrigInDetTrackFitPar() + operator=() + ~TrigInDetTrackFitPar() + a0() + z0() and 19 more... Node2 std::vector< double > + elements Node2->Node1 -m_cov