toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (dropLateData != null) 'dropLateData': dropLateData!,
if (idLabel != null) 'idLabel': idLabel!,
if (subscription != null) 'subscription': subscription!,
if (timestampLabel != null) 'timestampLabel': timestampLabel!,
if (topic != null) 'topic': topic!,
if (trackingSubscription != null)
'trackingSubscription': trackingSubscription!,
if (withAttributes != null) 'withAttributes': withAttributes!,
};