r/ObserverMethodConfigurator.html" title="interface in jakarta.enterprise.inject.spi.configurator">ObserverMethodConfigurator</a>&lt;<a href="../../../../../jakarta/enterprise/inject/spi/configurator/ObserverMethodConfigurator.html" title="type parameter in ObserverMethodConfigurator">T</a>&gt;&nbsp;async(boolean&nbsp;async)</pre>
<div class="block">Allows modification of the asynchronous status of the observer to build.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>async</code> 