cutoff_admissible_interval
                        Construct the admissible interval [a, b]
cutoff_boundary_check   Verify boundary conditions of Proposition 5.7
cutoff_build_interval   Build a padded search interval for cutoff
                        root-finding
cutoff_ci               Wald confidence interval for the optimal cutoff
cutoff_expand_interval_until_valid
                        Expand the search interval until boundary
                        conditions hold
cutoff_identifiability
                        Local identifiability diagnostic
cutoff_optimal          Optimal diagnostic cutoff under SMSN
                        distributions
cutoff_phi              Estimating equation phi(c, theta)
cutoff_risk             Weighted misclassification risk
cutoff_variance         Asymptotic variance of the plug-in cutoff
                        estimator
cutoff_youden           Parametric Youden cutoff under SMSN
                        distributions
mc_one_rep              Run one Monte Carlo replication
mc_run_all              Run all scenarios
mc_simulate_scenario    Monte Carlo simulation for one scenario
smsn_auc                Plug-in AUC estimator under SMSN distributions
smsn_cdf                CDF of an SMSN distribution
smsn_density            Density of an SMSN distribution
smsn_fit                Fit an SMSN model by maximum likelihood
smsn_quantile           Quantile function of an SMSN distribution
smsn_rdist              Random generation from an SMSN distribution
smsn_roc                Parametric ROC curve under SMSN distributions
