ntations are required to use the container-managed scheduled executor
 service by default. In Java SE the default is implementation-specific. In either case, calling this method will
 override the default.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>scheduledExecutorService</code> - executor service to be used for scheduled async invocations.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an updated client builder instance.</dd>
<dt><span class="simpleTagLabel">Sin