toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (bottomText != null) 'bottomText': bottomText!,
if (selected != null) 'selected': selected!,
if (startIconUri != null) 'startIconUri': startIconUri!,
if (text != null) 'text': text!,
if (value != null) 'value': value!,
};