final client = SSHClient(
  await SSHSocket.connect('localhost', 22),
  username: 'user',
  onPasswordRequest: () => 'password',
);

final shell = await client.shell();
stdout.addStream(shell.stdout);
stderr.addStream(shell.stderr);
stdin.cast<Uint8List>().listen(shell.write);
await shell.done;
client.close();

final shell = await client.shell(agentForwarding: true);

final uptime = await client.run('uptime');
print(utf8.decode(uptime));

final client = SSHClient(
  socket,
  username: 'user',
  identities: [
    ...SSHKeyPair.fromPem(await File('path/to/id_rsa').readAsString())
  ],
);

final jumpServer = SSHClient(
  await SSHSocket.connect('<jump server>', 22),
  username: '...',
  onPasswordRequest: () => '...',
);

final client = SSHClient(
  await jumpServer.forwardLocal('<target server>', 22),
  username: '...',
  onPasswordRequest: () => '...',
);

final sftp = await client.sftp();

// List directory
final items = await sftp.listdir('/');
for (final item in items) {
  print(item.longname);
}

// Read file
final file = await sftp.open('/etc/passwd');
final content = await file.readBytes();

// Write file
final file = await sftp.open('file.txt', mode: SftpFileOpenMode.write);
await file.writeBytes(utf8.encode('hello') as Uint8List);

// Upload
final file = await sftp.open('file.txt',
    mode: SftpFileOpenMode.create | SftpFileOpenMode.write);
await file.write(File('local_file.txt').openRead().cast());