lComponent</code> - The UIComponent in the view to which the attached objects must be attached. This UIComponent
 must have its component metadata already associated and available from via the JavaBeans API.</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerException</a></code> - if <code>context</code> or <code>topLevelComponent</code> is <code>nu