heir values.</li>
 <li><code>sessionScope</code> - a <code>Map</code> that maps session-scoped attribute names to their values.</li>
 <li><code>applicationScope</code> - a <code>Map</code> that maps application-scoped attribute names to their
 values.</li>
 <li><code>param</code> - a <code>Map</code> that maps parameter names to a single String parameter value (obtained by
 calling <code>ServletRequest.getParameter(String name)</code>).</li>
   <li><code>paramValues</code> - a <code>Map</code> that maps par