}
private MBeanServerRequestMessage removeVersion(MBeanServerRequestMessage from) {
final int id = from.getMethodId();
final Subject s = from.getDelegationSubject();
final Shifter sh = new Shifter(from.getParams());
sh.shiftLeft();
final Object[] np = sh.state();
return ( new MBeanServerRequestMessage(id, np, s) );
}