r interface in java.lang">Object</a>...&nbsp;callbacks)</pre>
<div class="block">Register an asynchronous processing lifecycle callback instances 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 instance.</dd>
<dd><code>callbacks</code> - additional callback instances.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>map of registered classes