toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (diskId != null) 'diskId': diskId!,
if (diskType != null) 'diskType': diskType!,
if (replicaZones != null) 'replicaZones': replicaZones!,
if (zone != null) 'zone': zone!,
};