toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (clusterId != null) 'clusterId': clusterId!,
if (name != null) 'name': name!,
if (projectId != null) 'projectId': projectId!,
if (update != null) 'update': update!,
if (zone != null) 'zone': zone!,
};