sftp method
Open a new SFTP session. Returns a SftpClient that can be used to interact with the remote side.
Implementation
Future<SftpClient> sftp() async {
await _authenticated.future;
final channelController = await _openSessionChannel();
channelController.sendSubsystem('sftp');
return SftpClient(
channelController.channel,
printDebug: printDebug,
printTrace: printTrace,
);
}