add_client_group        Add a mutually exclusive group of clients
add_clients             Add clients to the model
add_depot               Add a depot to the model
add_vehicle_type        Add a vehicle type to the model
cost                    Cost of a result or solution
ils_params              ILS solver parameters
plot.vrpr_model         Plot a VRP model (depots and clients only)
plot.vrpr_result        Plot the solution of a VRP result
read_solomon            Read a VRPTW instance in Solomon format
read_vrplib             Read an instance in VRPLIB / TSPLIB format
routes                  Routes of a solution, in long (tidy) format
solution_cost           Cost of a solution
summary.vrpr_result     One-row summary of a result (tibble)
unvisited_clients       Unvisited optional clients
vrp_cost_evaluator      Cost evaluator (CostEvaluator)
vrp_model               Build a vehicle routing (VRP) model
vrp_problem_data        Assemble the problem data (ProblemData) from a
                        model
vrp_random_solution     Generate a random solution
vrp_solution            Build a solution from explicit routes
vrp_solve               Solve a VRP model
vrpr_stop               Solver stopping criteria
