e rule that, for components with non-null <code>id</code>s, all components that are
 descendants of the same nearest <a href="../../../jakarta/faces/component/NamingContainer.html" title="interface in jakarta.faces.component"><code>NamingContainer</code></a> must have unique identifiers.
 </p>

 <p>
 For backwards compatability with existing <code>StateManager</code> implementations, the default implementation of
 this method calls <a href="../../../jakarta/faces/application/StateManager.html#saveSerialized