TrigL2MuonSA::ClusterPattern Node1 TrigL2MuonSA::ClusterPattern + group + dMM + dMO + aw + bw + clustersID + isGoodFit + phi_middle + phi_outer + nclusters + Clear() + operator==() Node2 std::multimap< int, int > + keys + elements Node2->Node1 +groupCand