toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (id != null) 'id': id!,
if (isRoot != null) 'isRoot': isRoot!,
if (kind != null) 'kind': kind!,
if (parentLink != null) 'parentLink': parentLink!,
if (selfLink != null) 'selfLink': selfLink!,
};