toJson method
Implementation
Map<String, dynamic> toJson() {
return {
'url': url,
'type': type.toJson(),
'mimeType': mimeType,
if (lastModified != null) 'lastModified': lastModified!.toJson(),
if (contentSize != null) 'contentSize': contentSize,
if (failed != null) 'failed': failed,
if (canceled != null) 'canceled': canceled,
};
}