or example, invoking the <code>installUI</code>
                method on a multiplexing UI causes the multiplexing UI to invoke
                <code>installUI</code>
                on the UI obtained from the default look and feel and the UIs obtained from
                the auxiliary factories.</li>
            </ul>
            <p> In all cases, the UI object obtained from
              the default look and feel is acted upon first, and then the auxiliary
              look and feels are acted upon in