xstream.alias( "server-link", ServerLink.class );
xstream.aliasField( "server-infos", DefaultShellConfiguration.class, "serverInfo");
xstream.aliasField( "host-keys", DefaultShellConfiguration.class, "hostKeys");
xstream.aliasField( "check-host-key", ServerInfo.class, "checkHostKey");
xstream.aliasField( "port-forwardings", ServerInfo.class, "portForwardings");
xstream.aliasField( "local-port", ServerLink.class, "localPort");
xstream.aliasField( "remote-host", PortForwarding.class, "remoteHost");
xstream.aliasField( "remote-port", PortForwarding.class, "remotePort");
xstream.aliasField( "local-port", PortForwarding.class, "localPort");
xstream.aliasField( "host-string", HostKey.class, "hostString");