href="ManagedTaskListener.html" title="interface in jakarta.enterprise.concurrent"><code>ManagedTaskListener</code></a> to receive notification of
 lifecycle events of this task, or null if it is not necessary to get
 notified of such events.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getExecutionProperties()">
<h3>getExecutionProperties</h3>
<div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" tit