toJson method
Serialize to a JSON-encodable map, omitting absent members.
Implementation
Map<String, dynamic> toJson() => <String, dynamic>{
'code': code,
if (message != null) 'message': message!,
'retryable': retryable,
if (retryAfter != null) 'retryAfter': retryAfter!,
if (details != null) 'details': details!,
};