any processing required to restore the state from the entries
 in the state Object.
 </p>

 <p>
 If the class that implements this interface has references to instances that also implement StateHolder (such as a
 <code>UIComponent</code> with event handlers, validators, etc.) this method must call the <a href="../component/StateHolder.html#restoreState(jakarta.faces.context.FacesContext,java.lang.Object)"><code>StateHolder.restoreState(jakarta.faces.context.FacesContext, java.lang.Object)</code></a>
 method