public Appendable append(CharSequence csq) throws IOException {
   return source.append(csq);
 }
 public Appendable append(CharSequence csq, int start, int end) throws IOException {
   return source.append(csq, start, end);
 }
 public Appendable append(char c) throws IOException {
   return source.append(c);
 }
 public void println(Serializable object) throws RemoteException {
   source.println(object);
 }
 /**
  * Prints an object to the wrapped {@link Output}.
  *
  * @param object the object to print.
  * @throws RemoteException RMI error.
  */
 public void println(Object object) throws RemoteException {
   source.println(object.toString());
 }
 public void println() throws RemoteException {
   source.println();
 }