toJson method
override
Object to Map serializer
Implementation
@override
Map<String, dynamic> toJson() {
return {
'@type': 'messageSendingStateFailed',
if (extra != null) '@extra': extra,
'error': error,
'can_retry': can_retry,
'need_another_sender': need_another_sender,
'retry_after': retry_after
};
}