34mutable std::atomic<ULong64_t> m_numTruthProcessed{0}; // !< a counter of the number of tracks proccessed
35mutable std::atomic<ULong64_t> m_numTruthPassed{0}; // !< a counter of the number of tracks that passed all cuts
36mutable std::vector<ULong64_t> m_numTruthPassedCuts ATLAS_THREAD_SAFE; // !< tracks the number of tracks that passed each cut family. Guarded by m_mutex