public Object sfResolve(String referencePart) throws SmartFrogResolutionException, RemoteException { return sfResolve(new Reference(referencePart));
public Object sfResolve(Reference r) throws SmartFrogResolutionException, RemoteException { return sfResolve(r, 0);
    public Object sfResolve(String referencePart) throws SmartFrogResolutionException, RemoteException {        return sfResolve(new Reference(referencePart));    }