toJson method

Map<String, dynamic> toJson()

Implementation

core.Map<core.String, core.dynamic> toJson() => {
  if (relation != null) 'relation': relation!,
  if (relationExtensions != null) 'relationExtensions': relationExtensions!,
  if (source != null) 'source': source!,
  if (target != null) 'target': target!,
};