GNN_FasTrackConnector Node1 GNN_FasTrackConnector + m_etaBin + GNN_FasTrackConnector() + ~GNN_FasTrackConnector() Node2 std::map< int, std ::vector< struct GNN _FasTrackConnector::LayerGroup > > + keys Node2->Node1 +m_layerGroups Node3 std::vector< struct GNN_FasTrackConnector ::LayerGroup > Node3->Node2 +elements Node4 struct Node4->Node3 +elements Node5 std::map< int, std ::vector< GNN_FasTrackConnection * > > + keys Node5->Node1 +m_connMap Node6 std::vector< GNN_FasTrack Connection * > Node6->Node5 +elements Node7 GNN_FasTrackConnection + m_src + m_dst + GNN_FasTrackConnection() + ~GNN_FasTrackConnection() Node7->Node6 +elements Node8 std::vector< int > + elements Node8->Node7 +m_binTable