toJson method
Implementation
Map<String, dynamic> toJson() => {
'url': url,
'contentDigest': contentDigest,
'secret': bytesToHex(secret, include0x: false),
'salt': bytesToHex(salt, include0x: false),
'nonce': bytesToHex(nonce, include0x: false),
'scheme': scheme,
'contentLength': contentLength,
'filename': filename,
if (description != null) 'description': description,
};