 phase of the request processing lifecycle,
 depending on the value of the <code>immediate</code>
 property.</p>

 <p>Note that it's possible that the returned
 <code>MethodExpression</code> is just a wrapper around a
 <code>MethodBinding</code> instance whith was set by a call to
 <a href="../../../javax/faces/component/ActionSource.html#setAction-javax.faces.el.MethodBinding-"><code>ActionSource.setAction(javax.faces.el.MethodBinding)</code></a>.  This makes it possible for the
 default <a href="../../../