toJson method
Converts an object to JSON.
Implementation
@override
Map<String, dynamic> toJson() {
final returnValue = <String, dynamic>{
'\$hash': 'fa3efb95',
'\$name': 'PhotoSizeProgressive',
'type': type,
'w': w,
'h': h,
'sizes': sizes,
};
// Finished toJson.
return returnValue;
}