<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-interface"><a id="once" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><span>once</span><a href="#once" aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><use href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use href="#icon-anchor-c"></use></svg></a></h3>
<div class="tsd-signature">once<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span>event<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">"exit"</span>, handler<span class="tsd-signature-symbol">: </span><a href="../types/ExitHandler.html" class="tsd-signature-type" data-tsd-kind="Type alias">ExitHandler</a><span class="tsd-signature-symbol"><</span><a href="IWorker.html" class="tsd-signature-type" data-tsd-kind="Interface">IWorker</a><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> => </span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">)</span></div>
<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-interface"><a id="once" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><span>once</span><a href="#once" aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><use href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use href="#icon-anchor-c"></use></svg></a></h3>
<div class="tsd-signature">once<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span>event<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">"exit"</span>, handler<span class="tsd-signature-symbol">: </span><a href="../types/ExitHandler.html" class="tsd-signature-type" data-tsd-kind="Type alias">ExitHandler</a><span class="tsd-signature-symbol"><</span><a href="IWorker.html" class="tsd-signature-type" data-tsd-kind="Interface">IWorker</a><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> => </span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">)</span></div>