CompositeNDP                                                                                                                                                                                               
│    provides   demand    Fin {*} │ requires   number_of_cars   SB(≥0)                                                                                                                                     
│    provides   network   Fin {*} │ requires   travel_time      SB(≥0) minutes                                                                                                                             
│                                 │ requires   velocity         SB(≥0) km/h                                                                                                                                
│                                 │ requires   distance         SB(≥0) km                                                                                                                                  
│  6 nodes, 0 edges                                                                                                                                                                                        
│   connected rec: ✓                                                                                                                                                                                       
│  no connections                                                                                                                                                                                          
│  Unconnected func:                                                                                                                                                                                       
│   {CFunction(dp='_res_distance', s='distance'), CFunction(dp='_res_velocity', s='velocity'), CFunction(dp='_res_travel_time', s='travel_time'), CFunction(dp='_res_number_of_cars', s='number_of_cars')} 
│  Unconnected res:                                                                                                                                                                                        
│   {CResource(dp='_fun_demand', s='demand'), CResource(dp='_fun_network', s='network')}