#define get_opt_optimize_class_casts() _get_opt_optimize_class_casts()
#define get_opt_suppress_downcast_optimization() _get_opt_suppress_downcast_optimization()
#define get_opt_optimize_class_casts() _get_opt_optimize_class_casts()
#define get_opt_suppress_downcast_optimization() _get_opt_suppress_downcast_optimization()