write
fun writeGtfsFeed(agencies: Collection<Agency>?, attributions: Collection<Attribution>?, calendars: Collection<Calendar>?, calendarDates: Collection<CalendarDate>?, fareAttributes: Collection<FareAttribute>?, fareRules: Collection<FareRule>?, feedInfos: Collection<FeedInfo>?, frequencies: Collection<Frequency>?, levels: Collection<Level>?, pathways: Collection<Pathway>?, routes: Collection<Route>?, shapes: Collection<Shape>?, stops: Collection<Stop>?, stopTimes: Collection<StopTime>?, transfers: Collection<Transfer>?, translations: Collection<Translation>?, trips: Collection<Trip>?)
Writes content to the GTFS feed. Parameters which are null or contain an empty collection are not written