 found use the class name of <code>Default</code> as the value of the validation
 groups.</p>

 <p>Let <em>valueExpression</em> be the return from calling <a href="../../../javax/faces/component/UIComponent.html#getValueExpression-java.lang.String-"><code>UIComponent.getValueExpression(java.lang.String)</code></a> on the argument
 <em>component</em>, passing the literal string
 &#8220;value&#8221; (without the quotes) as an argument.  If this
 application is running in an environment with a Unified EL
 Impl