longs. This identifier, in conjunction with
 the value of the <code>rendererType</code> property, may be used to select the appropriate <a href="../../../jakarta/faces/render/Renderer.html" title="class in jakarta.faces.render"><code>Renderer</code></a> for this
 component instance. Note this method should NOT return <code>null</code>
 </p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../jakarta/faces/component/UIComponent.html#getFamily--">getFamily</