CombinedMuonFeature_p3 Node1 CombinedMuonFeature_p3 + m_pt + m_sigma_pt + CombinedMuonFeature_p3() + ~CombinedMuonFeature_p3() Node2 ElementLink_p3< uint32_t > + m_elementIndex + m_SGKeyHash + ElementLink_p3() Node2->Node1 +m_IDTrack +m_muFastTrack