                from a UI object is invoked, the multiplexing UI object
		invokes the method on all the UI objects, but returns
                only the results from the UI for the default look and feel.
                For example, when the <code>getPreferredSize</code>
                method is invoked on a multiplexing UI, the UI returns only the
                results of invoking <code>getPreferredSize</code>
                on the UI obtained from the default look and feel.
		The <code>getPreferredSiz