toJson method
Implementation
Map<String, dynamic> toJson() => <String, dynamic>{
'transferId': transferId,
'direction': direction.wireValue,
'status': 'completed',
'statusCode': statusCode,
'bytesTransferred': bytesTransferred,
if (fileName != null) 'fileName': fileName,
if (mimeType != null) 'mimeType': mimeType,
if (destination != null) 'destination': destination,
if (data.isNotEmpty) 'data': data,
};