toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (exportTime != null) 'exportTime': exportTime!,
if (name != null) 'name': name!,
if (startTime != null) 'startTime': startTime!,
if (state != null) 'state': state!,
if (urls != null) 'urls': urls!,
};