toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (dispatchTime != null) 'dispatchTime': dispatchTime!,
if (responseStatus != null) 'responseStatus': responseStatus!,
if (responseTime != null) 'responseTime': responseTime!,
if (scheduleTime != null) 'scheduleTime': scheduleTime!,
};