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<!DOCTYPE html><html class="default" lang="en" data-base="../"><head><meta charset="utf-8"/><meta http-equiv="x-ua-compatible" content="IE=edge"/><title>Subscription | @nats-io/nats-core</title><meta name="description" content="Documentation for @nats-io/nats-core"/><meta name="viewport" content="width=device-width, initial-scale=1"/><link rel="stylesheet" href="../assets/style.css"/><link rel="stylesheet" href="../assets/highlight.css"/><script defer src="../assets/main.js"></script><script async src="../assets/icons.js" id="tsd-icons-script"></script><script async src="../assets/search.js" id="tsd-search-script"></script><script async src="../assets/navigation.js" id="tsd-nav-script"></script><script async src="../assets/hierarchy.js" id="tsd-hierarchy-script"></script></head><body><script>document.documentElement.dataset.theme = localStorage.getItem("tsd-theme") || "os";document.body.style.display="none";setTimeout(() => window.app?app.showPage():document.body.style.removeProperty("display"),500)</script><header class="tsd-page-toolbar"><div class="tsd-toolbar-contents container"><a href="../index.html" class="title">@nats-io/nats-core</a><div id="tsd-toolbar-links"></div><button id="tsd-search-trigger" class="tsd-widget" aria-label="Search"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-search"></use></svg></button><dialog id="tsd-search" aria-label="Search"><input role="combobox" id="tsd-search-input" aria-controls="tsd-search-results" aria-autocomplete="list" aria-expanded="true" autocapitalize="off" autocomplete="off" placeholder="Search the docs" maxLength="100"/><ul role="listbox" id="tsd-search-results"></ul><div id="tsd-search-status" aria-live="polite" aria-atomic="true"><div>Preparing search index...</div></div></dialog><a href="#" class="tsd-widget menu" id="tsd-toolbar-menu-trigger" data-toggle="menu" aria-label="Menu"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-menu"></use></svg></a></div></header><div class="container container-main"><div class="col-content"><div class="tsd-page-title"><ul class="tsd-breadcrumb" aria-label="Breadcrumb"><li><a href="" aria-current="page">Subscription</a></li></ul><h1>Interface Subscription</h1></div><section class="tsd-panel tsd-comment"><div class="tsd-comment tsd-typography"><p>Basic interface to a Subscription type</p>
</div><div class="tsd-comment tsd-typography"></div></section><div class="tsd-signature"><span class="tsd-signature-keyword">interface</span> <span class="tsd-kind-interface">Subscription</span> <span class="tsd-signature-symbol">{</span><br/>    <a class="tsd-kind-property" href="#closed">closed</a><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span> <span class="tsd-signature-symbol">|</span> <span class="tsd-signature-type">Error</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">;</span><br/>    <a class="tsd-kind-call-signature" href="#asynciterator-1">&quot;[asyncIterator]&quot;</a><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">AsyncIterator</span><span class="tsd-signature-symbol">&lt;</span><a href="Msg.html" class="tsd-signature-type tsd-kind-interface">Msg</a><span class="tsd-signature-symbol">,</span> <span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">,</span> <span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">;</span><br/>    <a class="tsd-kind-call-signature" href="#drain-1">drain</a><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">;</span><br/>    <a class="tsd-kind-call-signature" href="#getmax-1">getMax</a><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">;</span><br/>    <a class="tsd-kind-call-signature" href="#getpending-1">getPending</a><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">;</span><br/>    <a class="tsd-kind-call-signature" href="#getprocessed-1">getProcessed</a><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">;</span><br/>    <a class="tsd-kind-call-signature" href="#getreceived-1">getReceived</a><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">;</span><br/>    <a class="tsd-kind-call-signature" href="#getsubject-1">getSubject</a><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">;</span><br/>    <a class="tsd-kind-call-signature" href="#isclosed-1">isClosed</a><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol">;</span><br/>    <a class="tsd-kind-call-signature" href="#isdraining-1">isDraining</a><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol">;</span><br/>    <a class="tsd-kind-call-signature" href="#unsubscribe-1">unsubscribe</a><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">max</span><span class="tsd-signature-symbol">?:</span> <span class="tsd-signature-type">number</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><br/><span class="tsd-signature-symbol">}</span></div><section class="tsd-panel tsd-hierarchy" data-refl="875"><h4>Hierarchy</h4><ul class="tsd-hierarchy"><li class="tsd-hierarchy-item"><span class="tsd-signature-type">AsyncIterable</span><span class="tsd-signature-symbol">&lt;</span><a href="Msg.html" class="tsd-signature-type tsd-kind-interface">Msg</a><span class="tsd-signature-symbol">&gt;</span><ul class="tsd-hierarchy"><li class="tsd-hierarchy-item"><span class="tsd-hierarchy-target">Subscription</span></li></ul></li></ul></section><aside class="tsd-sources"><ul><li>Defined in core/build/src/core.ts:586</li></ul></aside><section class="tsd-panel-group tsd-index-group"><section class="tsd-panel tsd-index-panel"><details class="tsd-index-content tsd-accordion" open><summary class="tsd-accordion-summary tsd-index-summary"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-chevronSmall"></use></svg><h5 class="tsd-index-heading uppercase">Index</h5></summary><div class="tsd-accordion-details"><section class="tsd-index-section"><h3 class="tsd-index-heading">Properties</h3><div class="tsd-index-list"><a href="#closed" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Property"><use href="../assets/icons.svg#icon-1024"></use></svg><span>closed</span></a>
</div></section><section class="tsd-index-section"><h3 class="tsd-index-heading">Methods</h3><div class="tsd-index-list"><a href="#asynciterator" class="tsd-index-link tsd-is-inherited tsd-is-external"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Method"><use href="../assets/icons.svg#icon-2048"></use></svg><span>[async<wbr/>Iterator]</span></a>
<a href="#drain" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Method"><use href="../assets/icons.svg#icon-2048"></use></svg><span>drain</span></a>
<a href="#getmax" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Method"><use href="../assets/icons.svg#icon-2048"></use></svg><span>get<wbr/>Max</span></a>
<a href="#getpending" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Method"><use href="../assets/icons.svg#icon-2048"></use></svg><span>get<wbr/>Pending</span></a>
<a href="#getprocessed" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Method"><use href="../assets/icons.svg#icon-2048"></use></svg><span>get<wbr/>Processed</span></a>
<a href="#getreceived" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Method"><use href="../assets/icons.svg#icon-2048"></use></svg><span>get<wbr/>Received</span></a>
<a href="#getsubject" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Method"><use href="../assets/icons.svg#icon-2048"></use></svg><span>get<wbr/>Subject</span></a>
<a href="#isclosed" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Method"><use href="../assets/icons.svg#icon-2048"></use></svg><span>is<wbr/>Closed</span></a>
<a href="#isdraining" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Method"><use href="../assets/icons.svg#icon-2048"></use></svg><span>is<wbr/>Draining</span></a>
<a href="#unsubscribe" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Method"><use href="../assets/icons.svg#icon-2048"></use></svg><span>unsubscribe</span></a>
</div></section></div></details></section></section><details class="tsd-panel-group tsd-member-group tsd-accordion" open><summary class="tsd-accordion-summary" data-key="section-Properties"><svg width="20" height="20" viewBox="0 0 24 24" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-chevronDown"></use></svg><h2>Properties</h2></summary><section><section class="tsd-panel tsd-member"><h3 class="tsd-anchor-link" id="closed"><span>closed</span><a href="#closed" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">closed</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span> <span class="tsd-signature-symbol">|</span> <span class="tsd-signature-type">Error</span><span class="tsd-signature-symbol">&gt;</span></div><div class="tsd-comment tsd-typography"><p>A promise that resolves when the subscription closes. If the promise
resolves to an error, the subscription was closed because of an error
typically a permissions error. Note that this promise doesn't reject, but
rather resolves to void (no error) or an Error</p>
</div><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in core/build/src/core.ts:593</li></ul></aside></section></section></details><details class="tsd-panel-group tsd-member-group tsd-accordion" open><summary class="tsd-accordion-summary" data-key="section-Methods"><svg width="20" height="20" viewBox="0 0 24 24" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-chevronDown"></use></svg><h2>Methods</h2></summary><section><section class="tsd-panel tsd-member tsd-is-inherited tsd-is-external"><h3 class="tsd-anchor-link" id="asynciterator"><span>[async<wbr/>Iterator]</span><a href="#asynciterator" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-inherited tsd-is-external"><li class="tsd-is-inherited tsd-is-external"><div class="tsd-signature tsd-anchor-link" id="asynciterator-1"><span class="tsd-kind-call-signature">&quot;[asyncIterator]&quot;</span><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">AsyncIterator</span><span class="tsd-signature-symbol">&lt;</span><a href="Msg.html" class="tsd-signature-type tsd-kind-interface">Msg</a><span class="tsd-signature-symbol">,</span> <span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">,</span> <span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span><a href="#asynciterator-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></div><div class="tsd-description"><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">AsyncIterator</span><span class="tsd-signature-symbol">&lt;</span><a href="Msg.html" class="tsd-signature-type tsd-kind-interface">Msg</a><span class="tsd-signature-symbol">,</span> <span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">,</span> <span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources"><p>Inherited from AsyncIterable.[asyncIterator]</p><ul><li>Defined in docs/node_modules/typescript/lib/lib.es2018.asynciterable.d.ts:38</li></ul></aside></div></li></ul></section><section class="tsd-panel tsd-member"><h3 class="tsd-anchor-link" id="drain"><span>drain</span><a href="#drain" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures"><li class=""><div class="tsd-signature tsd-anchor-link" id="drain-1"><span class="tsd-kind-call-signature">drain</span><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span><a href="#drain-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></div><div class="tsd-description"><div class="tsd-comment tsd-typography"><p>Drain the subscription, closing it after processing all messages
currently in flight for the client. Returns a promise that resolves
when the subscription finished draining.</p>
</div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in core/build/src/core.ts:609</li></ul></aside></div></li></ul></section><section class="tsd-panel tsd-member"><h3 class="tsd-anchor-link" id="getmax"><span>get<wbr/>Max</span><a href="#getmax" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures"><li class=""><div class="tsd-signature tsd-anchor-link" id="getmax-1"><span class="tsd-kind-call-signature">getMax</span><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span><a href="#getmax-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></div><div class="tsd-description"><div class="tsd-comment tsd-typography"><p>Return the max number of messages before the subscription will unsubscribe.</p>
</div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in core/build/src/core.ts:653</li></ul></aside></div></li></ul></section><section class="tsd-panel tsd-member"><h3 class="tsd-anchor-link" id="getpending"><span>get<wbr/>Pending</span><a href="#getpending" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures"><li class=""><div class="tsd-signature tsd-anchor-link" id="getpending-1"><span class="tsd-kind-call-signature">getPending</span><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span><a href="#getpending-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></div><div class="tsd-description"><div class="tsd-comment tsd-typography"><p>Returns the number of messages that are pending processing. Note that this
is method is only valid for iterators.</p>
</div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in core/build/src/core.ts:645</li></ul></aside></div></li></ul></section><section class="tsd-panel tsd-member"><h3 class="tsd-anchor-link" id="getprocessed"><span>get<wbr/>Processed</span><a href="#getprocessed" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures"><li class=""><div class="tsd-signature tsd-anchor-link" id="getprocessed-1"><span class="tsd-kind-call-signature">getProcessed</span><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span><a href="#getprocessed-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></div><div class="tsd-description"><div class="tsd-comment tsd-typography"><p>Returns the number of messages that have been processed by the subscription.</p>
</div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in core/build/src/core.ts:639</li></ul></aside></div></li></ul></section><section class="tsd-panel tsd-member"><h3 class="tsd-anchor-link" id="getreceived"><span>get<wbr/>Received</span><a href="#getreceived" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures"><li class=""><div class="tsd-signature tsd-anchor-link" id="getreceived-1"><span class="tsd-kind-call-signature">getReceived</span><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span><a href="#getreceived-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></div><div class="tsd-description"><div class="tsd-comment tsd-typography"><p>Returns the number of messages received by the subscription.</p>
</div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in core/build/src/core.ts:634</li></ul></aside></div></li></ul></section><section class="tsd-panel tsd-member"><h3 class="tsd-anchor-link" id="getsubject"><span>get<wbr/>Subject</span><a href="#getsubject" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures"><li class=""><div class="tsd-signature tsd-anchor-link" id="getsubject-1"><span class="tsd-kind-call-signature">getSubject</span><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><a href="#getsubject-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></div><div class="tsd-description"><div class="tsd-comment tsd-typography"><p>Returns the subject that was used to create the subscription.</p>
</div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">string</span></h4><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in core/build/src/core.ts:629</li></ul></aside></div></li></ul></section><section class="tsd-panel tsd-member"><h3 class="tsd-anchor-link" id="isclosed"><span>is<wbr/>Closed</span><a href="#isclosed" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures"><li class=""><div class="tsd-signature tsd-anchor-link" id="isclosed-1"><span class="tsd-kind-call-signature">isClosed</span><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span><a href="#isclosed-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></div><div class="tsd-description"><div class="tsd-comment tsd-typography"><p>Returns true if the subscription is closed.</p>
</div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in core/build/src/core.ts:619</li></ul></aside></div></li></ul></section><section class="tsd-panel tsd-member"><h3 class="tsd-anchor-link" id="isdraining"><span>is<wbr/>Draining</span><a href="#isdraining" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures"><li class=""><div class="tsd-signature tsd-anchor-link" id="isdraining-1"><span class="tsd-kind-call-signature">isDraining</span><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span><a href="#isdraining-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></div><div class="tsd-description"><div class="tsd-comment tsd-typography"><p>Returns true if the subscription is draining.</p>
</div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in core/build/src/core.ts:614</li></ul></aside></div></li></ul></section><section class="tsd-panel tsd-member"><h3 class="tsd-anchor-link" id="unsubscribe"><span>unsubscribe</span><a href="#unsubscribe" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures"><li class=""><div class="tsd-signature tsd-anchor-link" id="unsubscribe-1"><span class="tsd-kind-call-signature">unsubscribe</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">max</span><span class="tsd-signature-symbol">?:</span> <span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">void</span><a href="#unsubscribe-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></div><div class="tsd-description"><div class="tsd-comment tsd-typography"><p>Stop the subscription from receiving messages. You can optionally
specify that the subscription should stop after the specified number
of messages have been received. Note this count is since the lifetime
of the subscription.</p>
</div><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><code class="tsd-tag">Optional</code><span class="tsd-kind-parameter">max</span>: <span class="tsd-signature-type">number</span></span><div class="tsd-comment tsd-typography"></div></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in core/build/src/core.ts:602</li></ul></aside></div></li></ul></section></section></details></div><div class="col-sidebar"><div class="page-menu"><div class="tsd-navigation settings"><details class="tsd-accordion"><summary class="tsd-accordion-summary"><svg width="20" height="20" viewBox="0 0 24 24" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-chevronDown"></use></svg><h3>Settings</h3></summary><div class="tsd-accordion-details"><div class="tsd-filter-visibility"><span 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