al property type for, or <code>null</code> to enumerate the set
 of top-level variables that this resolver can evaluate.</dd>
<dt>Returns:</dt>
<dd><code>null</code> if this <code>ELResolver</code> does not know how to handle the given <code>base</code>
 object; otherwise <code>Object.class</code> if any type of <code>property</code> is accepted; otherwise the most
 general <code>property</code> type accepted for the given <code>base</code>.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="conve