irst"><a href="#layout"><code>layout</code></a></td><td class="colOne"><code>false</code></td><td class="colOne"><code>jakarta.el.ValueExpression</code>
                                <br>
                                (<i>must evaluate to </i><code>java.lang.String</code>)
					</td><td class="colLast">
                The type of layout markup to use when rendering this group.
                If the value is "block" the renderer must produce an HTML
                "div" element. Otherwise HTML "span" 