toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (description != null) 'description': description!,
if (expirationTime != null)
'expirationTime': expirationTime!.toUtc().toIso8601String(),
if (friendlyName != null) 'friendlyName': friendlyName!,
if (labels != null) 'labels': labels!,
};