toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (attemptId != null) 'attemptId': attemptId!,
if (endTime != null) 'endTime': endTime!,
if (metrics != null)
'metrics': metrics!.map((value) => value.toJson()).toList(),
if (progress != null) 'progress': progress!.toJson(),
if (startTime != null) 'startTime': startTime!,
if (state != null) 'state': state!,
if (taskId != null) 'taskId': taskId!,
};