code: func NewTrackerController(service *goa.Service, db application.DB, scheduler *remoteworkitem.Scheduler, configuration trackerConfiguration) *TrackerController {
  	return &TrackerController{
  		Controller:    service.NewController("TrackerController"),
  		db:            db,
  		scheduler:     scheduler,
  		configuration: configuration}
  }
docs: // NewTrackerController creates a tracker controller.