the set of bean types of the decorated bean</dd>
<dd><code>qualifiers</code> - the qualifiers declared by the decorated bean</dd>
<dt>Returns:</dt>
<dd>the resulting set of <a href="Decorator.html" title="interface in jakarta.enterprise.inject.spi">decorators</a></dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></code> - if th