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