37    PenaltyMethod& with_feasible_solution_status(SolutionStatus t_status);
 
   47    std::unique_ptr<OptimizerFactory> m_optimizer;
 
   48    std::optional<double> m_rescaling_threshold;
 
   49    std::unique_ptr<PenaltyUpdate> m_penalty_update;
 
   50    std::optional<SolutionStatus> m_feasible_solution_status;
 
   51    std::optional<double> m_initial_penalty_parameter;