MuonR4::MlMsTrackSeeder::RescueCounters Node1 MuonR4::MlMsTrackSeeder ::RescueCounters     Node2 std::array< std::atomic < std::size_t >, 2 >     Node2->Node1 +pointingRemoved Node3 std::atomic< std::size_t > + ptr   Node3->Node2 +elements Node4 std::array< std::atomic < std::size_t >, 3 >     Node3->Node4 +elements Node4->Node1 +filled