toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (dataWatermarkLag != null) 'dataWatermarkLag': dataWatermarkLag!,
if (endTime != null) 'endTime': endTime!,
if (startTime != null) 'startTime': startTime!,
if (systemWatermarkLag != null)
'systemWatermarkLag': systemWatermarkLag!,
if (workerName != null) 'workerName': workerName!,
};