toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (covered != null) 'covered': covered!,
if (eventHandler != null) 'eventHandler': eventHandler!,
if (index != null) 'index': index!,
if (source != null) 'source': source!,
if (target != null) 'target': target!,
if (transitionRoute != null) 'transitionRoute': transitionRoute!,
};