toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (appliedLabels != null) 'appliedLabels': appliedLabels!,
if (id != null) 'id': id!,
if (relation != null) 'relation': relation!,
if (title != null) 'title': title!,
if (type != null) 'type': type!,
};