toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (fileId != null) 'fileId': fileId!,
if (fileUrl != null) 'fileUrl': fileUrl!,
if (iconLink != null) 'iconLink': iconLink!,
if (mimeType != null) 'mimeType': mimeType!,
if (title != null) 'title': title!,
};