delay_opts              Create a list of delay distributions to run the
                        'ringbp' model
event_prob_opts         Create a list of event probabilities to run the
                        'ringbp' model
extinction              Outbreak extinction functions
incubation_to_generation_time
                        Convert symptom onset times to generation times
intervention_opts       Create a list of intervention settings to run
                        the 'ringbp' model
offspring_opts          Create a list of offspring distributions to run
                        the 'ringbp' model
outbreak_model          Run a single instance of the branching process
                        model
outbreak_setup          Set up initial cases for branching process
outbreak_step           Move forward one generation in the branching
                        process
scenario_sim            Run a specified number of simulations with
                        identical parameters
sim_opts                Create a list of simulation control options for
                        the 'ringbp' model
