toJson method
Converts an object to JSON.
Implementation
@override
Map<String, dynamic> toJson() {
final returnValue = <String, dynamic>{
"\$": "0x1759c560",
"flags": flags,
"photoId": photoId,
"caption": caption,
"url": url,
"webpageId": webpageId,
};
// Finished toJson.
return returnValue;
}