toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (coach != null) 'coach': coach!,
if (customFareClass != null) 'customFareClass': customFareClass!,
if (fareClass != null) 'fareClass': fareClass!,
if (seat != null) 'seat': seat!,
if (seatAssignment != null) 'seatAssignment': seatAssignment!,
};