boolean success= true;
boolean success= false;
    public synchronized boolean sfDeRegister(Prim comp)        throws SmartFrogException, RemoteException {        boolean success= true;        if (sfContext.contains(comp)){           sfContext.remove(sfContext.keyFor(comp));           success=true;        }        if (sfContainsChild(comp)){          success= sfRemoveChild(comp);        }        return success;    }