toJson method
override
Object to Map serializer
Implementation
@override
Map<String, dynamic> toJson() {
return {
'@type': 'inlineQueryResultArticle',
if (extra != null) '@extra': extra,
'id': id,
'url': url,
'hide_url': hide_url,
'title': title,
'description': description,
'thumbnail': thumbnail
};
}