a class="hash-link" href="#defined-in-39" title="Ë¶ãÂá∫„Åó„Å∏„ÅÆÁõ¥Êé•„É™„É≥„ÇØ">#</a></h4><p>node_modules/@types/node/events.d.ts:26</p><p>‚ñ∏ <code>Static</code> <strong>once</strong>(<code>emitter</code>, <code>event</code>): <code>Promise</code>&lt;any[]&gt;</p><h4><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_2LWZ" id="parameters-20"></a>Parameters<a class="hash-link" href="#parameters-20" title="Ë¶ãÂá∫„Åó„Å∏„ÅÆÁõ¥�