a.lang" class="externalLink">Class</a>&lt;?&gt;...&nbsp;callbacks)</span></div>
<div class="block">Register asynchronous processing lifecycle callback classes to receive lifecycle events for the asynchronous response
 based on the implemented callback interfaces.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>callback</code> - callback class.</dd>
<dd><code>callbacks</code> - additional callback classes.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>map of registered