toJson method Null safety
Implementation
Map<String, dynamic> toJson() => <String, dynamic>{
'url': url,
'label': _websiteLabelToString[label],
'customLabel': customLabel,
};
Map<String, dynamic> toJson() => <String, dynamic>{
'url': url,
'label': _websiteLabelToString[label],
'customLabel': customLabel,
};