ss="block"><p class="changed_added_2_0">
 The ExpressionFactory to use within the Facelet this context is executing upon. Must not be <code>null</code>.
 </p></div>
<dl class="notes">
<dt>Returns:</dt>
<dd>the <code>ExpressionFactory</code> for this Facelet.</dd>
<dt>Since:</dt>
<dd>2.0</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="setVariableMapper(jakarta.el.VariableMapper)">
<h3>setVariableMapper</h3>
<div class="member-signature"><span class="modifiers">public abstract</span>&nbsp;<span c