VKalVrtAthena::VrtSecInclusive::WrkVrt Node1 VKalVrtAthena::VrtSecInclusive ::WrkVrt + isGood + vertex + vertexMom + Chi2 + Chi2_core + closestWrkVrtValue + ndof() + ndof_core() + nTracksTotal() + fitQuality() Node2 std::deque< long int > Node2->Node1 +associatedTrackIndices +selectedTrackIndices Node3 long Node3->Node1 +Charge +closestWrkVrtIndex Node3->Node2 +elements Node4 std::vector< std::vector < double > > + elements Node4->Node1 +TrkAtVrt Node5 std::vector< double > + elements Node5->Node1 +vertexCov +Chi2PerTrk