ActsTrk::detail::SharedHitCounter Node1 ActsTrk::detail::SharedHit Counter + SharedHitCounter() + SharedHitCounter() + operator=() + SharedHitCounter() + operator=() + ~SharedHitCounter() + computeSharedHitsDynamic() + computeSharedHits() + computeSharedHits() Node2 std::vector< ActsTrk ::detail::SharedHitCounter ::TrackStateIndex > Node2->Node1 -m_firstTrackStateOnTheHit Node3 ActsTrk::detail::SharedHit Counter::TrackStateIndex + trackIndex + stateIndex Node3->Node1 -s_noTrackState Node3->Node2 +elements