toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (activity != null) 'activity': activity!,
if (clusterId != null) 'clusterId': clusterId!,
if (keyScreen != null) 'keyScreen': keyScreen!.toJson(),
if (screens != null)
'screens': screens!.map((value) => value.toJson()).toList(),
};