virtual reco::RecoToSimCollectionMtd associateRecoToSim(const edm::Handle< FTLClusterCollection > &btlRecoClusH, const edm::Handle< FTLClusterCollection > &etlRecoClusH, const edm::Handle< MtdSimLayerClusterCollection > &simClusH) const
Associate a MtdRecoCluster to MtdSimLayerClusters.