&& (mcf == ((FBManagedConnection) res).mcf);
&& (dbHandle.equals(((FBManagedConnection) res).dbHandle));
    public boolean isSameRM(XAResource res)            throws javax.transaction.xa.XAException {        return (res instanceof FBManagedConnection)                && (mcf == ((FBManagedConnection) res).mcf);    }