The Protobuf object to read from
The end position of the message in the buffer
OptionalaffectedThe trip_id from the GTFS feed that is modified by the modifications_id
OptionalmodificationsThe 'id' from the FeedEntity in which the contained TripModifications object affects this trip.
OptionalstartThe start date of this trip instance in YYYYMMDD format, applied to the modified trip. Same definition as start_date in TripDescriptor.
OptionalstartThe initially scheduled start time of this trip instance, applied to the frequency based modified trip. Same definition as start_time in TripDescriptor.
A descriptor that identifies an instance of a GTFS trip, or all instances of a trip along a route.