+<section class="tsd-panel tsd-member"><a id="id" class="tsd-anchor"></a>
+<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagOptional">Optional</code> <code class="tsd-tag ts-flagReadonly">Readonly</code> <span>id</span><a href="#id" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
+<div class="tsd-signature"><span class="tsd-kind-property">id</span><span class="tsd-signature-symbol">?:</span> <span class="tsd-signature-type">number</span></div>
+<div class="tsd-comment tsd-typography"><p>Worker id.</p>
+</div>
+<div class="tsd-comment tsd-typography"></div><aside class="tsd-sources">
+<ul>
+<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/7431256/src/pools/worker.ts#L190">src/pools/worker.ts:190</a></li></ul></aside></section>
+<section class="tsd-panel tsd-member"><a id="on" class="tsd-anchor"></a>
+<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagReadonly">Readonly</code> <span>on</span><a href="#on" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
+<div class="tsd-signature"><span class="tsd-kind-property">on</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">event</span>, <span class="tsd-kind-parameter">handler</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><span class="tsd-signature-symbol"> & </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">event</span>, <span class="tsd-kind-parameter">handler</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><span class="tsd-signature-symbol"> & </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">event</span>, <span class="tsd-kind-parameter">handler</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><span class="tsd-signature-symbol"> & </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">event</span>, <span class="tsd-kind-parameter">handler</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>
+<div class="tsd-comment tsd-typography"><p>Registers an event listener.</p>
+</div>
+<div class="tsd-type-declaration">
+<h4>Type declaration</h4>
+<ul class="tsd-parameters">
+<li class="tsd-parameter-signature">
+<ul class="tsd-signatures">
+<li class="tsd-signature"><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">event</span>, <span class="tsd-kind-parameter">handler</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
+<li class="tsd-description">
+<div class="tsd-parameters">
+<h4 class="tsd-parameters-title">Parameters</h4>
+<ul class="tsd-parameter-list">
+<li>
+<h5><span class="tsd-kind-parameter">event</span>: <span class="tsd-signature-type">"online"</span></h5></li>
+<li>
+<h5><span class="tsd-kind-parameter">handler</span>: <a href="../types/OnlineHandler.html" class="tsd-signature-type tsd-kind-type-alias">OnlineHandler</a><span class="tsd-signature-symbol"><</span><a href="IWorker.html" class="tsd-signature-type tsd-kind-interface">IWorker</a><span class="tsd-signature-symbol">></span></h5></li></ul></div>
+<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></li></ul></div>
+<div class="tsd-type-declaration">
+<h4>Type declaration</h4>
+<ul class="tsd-parameters">
+<li class="tsd-parameter-signature">
+<ul class="tsd-signatures">
+<li class="tsd-signature"><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">event</span>, <span class="tsd-kind-parameter">handler</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
+<li class="tsd-description">
+<div class="tsd-parameters">
+<h4 class="tsd-parameters-title">Parameters</h4>
+<ul class="tsd-parameter-list">
+<li>
+<h5><span class="tsd-kind-parameter">event</span>: <span class="tsd-signature-type">"message"</span></h5></li>
+<li>
+<h5><span class="tsd-kind-parameter">handler</span>: <a href="../types/MessageHandler.html" class="tsd-signature-type tsd-kind-type-alias">MessageHandler</a><span class="tsd-signature-symbol"><</span><a href="IWorker.html" class="tsd-signature-type tsd-kind-interface">IWorker</a><span class="tsd-signature-symbol">></span></h5></li></ul></div>
+<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></li></ul></div>
+<div class="tsd-type-declaration">
+<h4>Type declaration</h4>
+<ul class="tsd-parameters">
+<li class="tsd-parameter-signature">
+<ul class="tsd-signatures">
+<li class="tsd-signature"><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">event</span>, <span class="tsd-kind-parameter">handler</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
+<li class="tsd-description">
+<div class="tsd-parameters">
+<h4 class="tsd-parameters-title">Parameters</h4>
+<ul class="tsd-parameter-list">
+<li>
+<h5><span class="tsd-kind-parameter">event</span>: <span class="tsd-signature-type">"error"</span></h5></li>
+<li>
+<h5><span class="tsd-kind-parameter">handler</span>: <a href="../types/ErrorHandler.html" class="tsd-signature-type tsd-kind-type-alias">ErrorHandler</a><span class="tsd-signature-symbol"><</span><a href="IWorker.html" class="tsd-signature-type tsd-kind-interface">IWorker</a><span class="tsd-signature-symbol">></span></h5></li></ul></div>
+<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></li></ul></div>
+<div class="tsd-type-declaration">
+<h4>Type declaration</h4>
+<ul class="tsd-parameters">
+<li class="tsd-parameter-signature">
+<ul class="tsd-signatures">
+<li class="tsd-signature"><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">event</span>, <span class="tsd-kind-parameter">handler</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
+<li class="tsd-description">
+<div class="tsd-parameters">
+<h4 class="tsd-parameters-title">Parameters</h4>
+<ul class="tsd-parameter-list">
+<li>
+<h5><span class="tsd-kind-parameter">event</span>: <span class="tsd-signature-type">"exit"</span></h5></li>
+<li>
+<h5><span class="tsd-kind-parameter">handler</span>: <a href="../types/ExitHandler.html" class="tsd-signature-type tsd-kind-type-alias">ExitHandler</a><span class="tsd-signature-symbol"><</span><a href="IWorker.html" class="tsd-signature-type tsd-kind-interface">IWorker</a><span class="tsd-signature-symbol">></span></h5></li></ul></div>
+<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></li></ul></div>
+<div class="tsd-comment tsd-typography">
+<h4>Param</h4><p>The event.</p>