-
Notifications
You must be signed in to change notification settings - Fork 1.8k
/
Copy pathMongoClient.html
129 lines (129 loc) · 205 KB
/
MongoClient.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
<!DOCTYPE html><html class="default"><head><meta charSet="utf-8"/><meta http-equiv="x-ua-compatible" content="IE=edge"/><title>MongoClient | mongodb</title><meta name="description" content="Documentation for mongodb"/><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 async src="../assets/search.js" id="search-script"></script></head><body><script>document.body.classList.add(localStorage.getItem("tsd-theme") || "os")</script><header><div class="tsd-page-toolbar"><div class="container"><div class="table-wrap"><div class="table-cell" id="tsd-search" data-base=".."><div class="field"><label for="tsd-search-field" class="tsd-widget search no-caption">Search</label><input type="text" id="tsd-search-field"/></div><ul class="results"><li class="state loading">Preparing search index...</li><li class="state failure">The search index is not available</li></ul><a href="../index.html" class="title">mongodb</a></div><div class="table-cell" id="tsd-widgets"><div id="tsd-filter"><a href="#" class="tsd-widget options no-caption" data-toggle="options">Options</a><div class="tsd-filter-group"><div class="tsd-select" id="tsd-filter-visibility"><span class="tsd-select-label">All</span><ul class="tsd-select-list"><li data-value="public">Public</li><li data-value="protected">Public/Protected</li><li data-value="private" class="selected">All</li></ul></div> <input type="checkbox" id="tsd-filter-inherited" checked/><label class="tsd-widget" for="tsd-filter-inherited">Inherited</label><input type="checkbox" id="tsd-filter-externals" checked/><label class="tsd-widget" for="tsd-filter-externals">Externals</label></div></div><a href="#" class="tsd-widget menu no-caption" data-toggle="menu">Menu</a></div></div></div></div><div class="tsd-page-title"><div class="container"><ul class="tsd-breadcrumb"><li><a href="../modules.html">mongodb</a></li><li><a href="MongoClient.html">MongoClient</a></li></ul><h1>Class MongoClient</h1></div></div></header><div class="container container-main"><div class="row"><div class="col-8 col-content"><section class="tsd-panel tsd-comment"><div class="tsd-comment tsd-typography"><div class="lead">
<p>The <strong>MongoClient</strong> class is a class that allows for making Connections to MongoDB.</p>
</div><dl class="tsd-comment-tags"><dt>remarks</dt><dd><p>The programmatically provided options take precedence over the URI options.</p>
</dd><dt>example</dt><dd><pre><code class="language-ts"><span class="hl-7">import</span><span class="hl-0"> { </span><span class="hl-6">MongoClient</span><span class="hl-0"> } </span><span class="hl-7">from</span><span class="hl-0"> </span><span class="hl-5">'mongodb'</span><span class="hl-0">;</span><br/><br/><span class="hl-1">// Enable command monitoring for debugging</span><br/><span class="hl-3">const</span><span class="hl-0"> </span><span class="hl-4">client</span><span class="hl-0"> = </span><span class="hl-3">new</span><span class="hl-0"> </span><span class="hl-2">MongoClient</span><span class="hl-0">(</span><span class="hl-5">'mongodb://localhost:27017'</span><span class="hl-0">, { </span><span class="hl-6">monitorCommands:</span><span class="hl-0"> </span><span class="hl-3">true</span><span class="hl-0"> });</span><br/><br/><span class="hl-6">client</span><span class="hl-0">.</span><span class="hl-2">on</span><span class="hl-0">(</span><span class="hl-5">'commandStarted'</span><span class="hl-0">, </span><span class="hl-6">started</span><span class="hl-0"> </span><span class="hl-3">=></span><span class="hl-0"> </span><span class="hl-6">console</span><span class="hl-0">.</span><span class="hl-2">log</span><span class="hl-0">(</span><span class="hl-6">started</span><span class="hl-0">));</span><br/><span class="hl-6">client</span><span class="hl-0">.</span><span class="hl-2">db</span><span class="hl-0">().</span><span class="hl-2">collection</span><span class="hl-0">(</span><span class="hl-5">'pets'</span><span class="hl-0">);</span><br/><span class="hl-7">await</span><span class="hl-0"> </span><span class="hl-6">client</span><span class="hl-0">.</span><span class="hl-2">insertOne</span><span class="hl-0">({ </span><span class="hl-6">name:</span><span class="hl-0"> </span><span class="hl-5">'spot'</span><span class="hl-0">, </span><span class="hl-6">kind:</span><span class="hl-0"> </span><span class="hl-5">'dog'</span><span class="hl-0"> });</span>
</code></pre>
</dd></dl></div></section><section class="tsd-panel tsd-hierarchy"><h3>Hierarchy</h3><ul class="tsd-hierarchy"><li><a href="TypedEventEmitter.html" class="tsd-signature-type" data-tsd-kind="Class">TypedEventEmitter</a><span class="tsd-signature-symbol"><</span><a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">></span><ul class="tsd-hierarchy"><li><span class="target">MongoClient</span></li></ul></li></ul></section><section class="tsd-panel-group tsd-index-group"><h2>Index</h2><section class="tsd-panel tsd-index-panel"><div class="tsd-index-content"><section class="tsd-index-section "><h3>Constructors</h3><ul class="tsd-index-list"><li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-overwrite"><a href="MongoClient.html#constructor" class="tsd-kind-icon">constructor</a></li></ul></section><section class="tsd-index-section tsd-is-inherited tsd-is-external"><h3>Properties</h3><ul class="tsd-index-list"><li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#captureRejectionSymbol" class="tsd-kind-icon">capture<wbr/>Rejection<wbr/>Symbol</a></li><li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#captureRejections" class="tsd-kind-icon">capture<wbr/>Rejections</a></li><li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#defaultMaxListeners" class="tsd-kind-icon">default<wbr/>Max<wbr/>Listeners</a></li><li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#errorMonitor" class="tsd-kind-icon">error<wbr/>Monitor</a></li></ul></section><section class="tsd-index-section "><h3>Accessors</h3><ul class="tsd-index-list"><li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="MongoClient.html#autoEncrypter" class="tsd-kind-icon">auto<wbr/>Encrypter</a></li><li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="MongoClient.html#bsonOptions" class="tsd-kind-icon">bson<wbr/>Options</a></li><li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="MongoClient.html#options" class="tsd-kind-icon">options</a></li><li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="MongoClient.html#readConcern" class="tsd-kind-icon">read<wbr/>Concern</a></li><li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="MongoClient.html#readPreference" class="tsd-kind-icon">read<wbr/>Preference</a></li><li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="MongoClient.html#serverApi" class="tsd-kind-icon">server<wbr/>Api</a></li><li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="MongoClient.html#writeConcern" class="tsd-kind-icon">write<wbr/>Concern</a></li></ul></section><section class="tsd-index-section "><h3>Methods</h3><ul class="tsd-index-list"><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#addListener" class="tsd-kind-icon">add<wbr/>Listener</a></li><li class="tsd-kind-method tsd-parent-kind-class"><a href="MongoClient.html#close" class="tsd-kind-icon">close</a></li><li class="tsd-kind-method tsd-parent-kind-class"><a href="MongoClient.html#connect" class="tsd-kind-icon">connect</a></li><li class="tsd-kind-method tsd-parent-kind-class"><a href="MongoClient.html#db" class="tsd-kind-icon">db</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#emit" class="tsd-kind-icon">emit</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="MongoClient.html#eventNames" class="tsd-kind-icon">event<wbr/>Names</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="MongoClient.html#getMaxListeners" class="tsd-kind-icon">get<wbr/>Max<wbr/>Listeners</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#listenerCount" class="tsd-kind-icon">listener<wbr/>Count</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#listeners" class="tsd-kind-icon">listeners</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#off" class="tsd-kind-icon">off</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#on" class="tsd-kind-icon">on</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#once" class="tsd-kind-icon">once</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#prependListener" class="tsd-kind-icon">prepend<wbr/>Listener</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#prependOnceListener" class="tsd-kind-icon">prepend<wbr/>Once<wbr/>Listener</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#rawListeners" class="tsd-kind-icon">raw<wbr/>Listeners</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#removeAllListeners" class="tsd-kind-icon">remove<wbr/>All<wbr/>Listeners</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#removeListener" class="tsd-kind-icon">remove<wbr/>Listener</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="MongoClient.html#setMaxListeners" class="tsd-kind-icon">set<wbr/>Max<wbr/>Listeners</a></li><li class="tsd-kind-method tsd-parent-kind-class"><a href="MongoClient.html#startSession" class="tsd-kind-icon">start<wbr/>Session</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter"><a href="MongoClient.html#watch" class="tsd-kind-icon">watch</a></li><li class="tsd-kind-method tsd-parent-kind-class"><a href="MongoClient.html#withSession" class="tsd-kind-icon">with<wbr/>Session</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><a href="MongoClient.html#connect-1" class="tsd-kind-icon">connect</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#getEventListeners" class="tsd-kind-icon">get<wbr/>Event<wbr/>Listeners</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#listenerCount-1" class="tsd-kind-icon">listener<wbr/>Count</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#on-1" class="tsd-kind-icon">on</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#once-1" class="tsd-kind-icon">once</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#setMaxListeners-1" class="tsd-kind-icon">set<wbr/>Max<wbr/>Listeners</a></li></ul></section></div></section></section><section class="tsd-panel-group tsd-member-group "><h2>Constructors</h2><section class="tsd-panel tsd-member tsd-kind-constructor tsd-parent-kind-class tsd-is-overwrite"><a id="constructor" class="tsd-anchor"></a><h3 class="tsd-anchor-link">constructor<a href="#constructor" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-constructor tsd-parent-kind-class tsd-is-overwrite"><li class="tsd-signature tsd-kind-icon">new <wbr/>Mongo<wbr/>Client<span class="tsd-signature-symbol">(</span>url<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span>, options<span class="tsd-signature-symbol">?: </span><a href="../interfaces/MongoClientOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">MongoClientOptions</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Overrides <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#constructor">constructor</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_client.ts#L338">src/mongo_client.ts:338</a></li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>url: <span class="tsd-signature-type">string</span></h5></li><li><h5><span class="tsd-flag ts-flagOptional">Optional</span> options: <a href="../interfaces/MongoClientOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">MongoClientOptions</a></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li></ul></section></section><section class="tsd-panel-group tsd-member-group tsd-is-inherited tsd-is-external"><h2>Properties</h2><section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a id="captureRejectionSymbol" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span class="tsd-flag ts-flagStatic">Static</span> <span class="tsd-flag ts-flagReadonly">Readonly</span> capture<wbr/>Rejection<wbr/>Symbol<a href="#captureRejectionSymbol" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><div class="tsd-signature tsd-kind-icon">capture<wbr/>Rejection<wbr/>Symbol<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">typeof </span><a class="tsd-signature-type" data-tsd-kind="Property">captureRejectionSymbol</a></div><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#captureRejectionSymbol">captureRejectionSymbol</a></p><ul><li>Defined in node_modules/@types/node/events.d.ts:328</li></ul></aside></section><section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a id="captureRejections" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span class="tsd-flag ts-flagStatic">Static</span> capture<wbr/>Rejections<a href="#captureRejections" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><div class="tsd-signature tsd-kind-icon">capture<wbr/>Rejections<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span></div><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#captureRejections">captureRejections</a></p><ul><li>Defined in node_modules/@types/node/events.d.ts:333</li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
<p>Sets or gets the default captureRejection value for all emitters.</p>
</div></div></section><section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a id="defaultMaxListeners" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span class="tsd-flag ts-flagStatic">Static</span> default<wbr/>Max<wbr/>Listeners<a href="#defaultMaxListeners" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><div class="tsd-signature tsd-kind-icon">default<wbr/>Max<wbr/>Listeners<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span></div><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#defaultMaxListeners">defaultMaxListeners</a></p><ul><li>Defined in node_modules/@types/node/events.d.ts:334</li></ul></aside></section><section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a id="errorMonitor" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span class="tsd-flag ts-flagStatic">Static</span> <span class="tsd-flag ts-flagReadonly">Readonly</span> error<wbr/>Monitor<a href="#errorMonitor" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><div class="tsd-signature tsd-kind-icon">error<wbr/>Monitor<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">typeof </span><span class="tsd-signature-type">errorMonitor</span></div><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#errorMonitor">errorMonitor</a></p><ul><li>Defined in node_modules/@types/node/events.d.ts:327</li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
<p>This symbol shall be used to install a listener for only monitoring <code>'error'</code>
events. Listeners installed using this symbol are called before the regular
<code>'error'</code> listeners are called.</p>
</div><div><p>Installing a listener using this symbol does not change the behavior once an
<code>'error'</code> event is emitted, therefore the process will still crash if no
regular <code>'error'</code> listener is installed.</p>
</div></div></section></section><section class="tsd-panel-group tsd-member-group "><h2>Accessors</h2><section class="tsd-panel tsd-member tsd-kind-get-signature tsd-parent-kind-class"><a id="autoEncrypter" class="tsd-anchor"></a><h3 class="tsd-anchor-link">auto<wbr/>Encrypter<a href="#autoEncrypter" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-get-signature tsd-parent-kind-class"><li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">get</span> autoEncrypter<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a href="../interfaces/AutoEncrypter.html" class="tsd-signature-type" data-tsd-kind="Interface">AutoEncrypter</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_client.ts#L393">src/mongo_client.ts:393</a></li></ul></aside><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a href="../interfaces/AutoEncrypter.html" class="tsd-signature-type" data-tsd-kind="Interface">AutoEncrypter</a></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-get-signature tsd-parent-kind-class"><a id="bsonOptions" class="tsd-anchor"></a><h3 class="tsd-anchor-link">bson<wbr/>Options<a href="#bsonOptions" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-get-signature tsd-parent-kind-class"><li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">get</span> bsonOptions<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../interfaces/BSONSerializeOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">BSONSerializeOptions</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_client.ts#L409">src/mongo_client.ts:409</a></li></ul></aside><h4 class="tsd-returns-title">Returns <a href="../interfaces/BSONSerializeOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">BSONSerializeOptions</a></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-get-signature tsd-parent-kind-class"><a id="options" class="tsd-anchor"></a><h3 class="tsd-anchor-link">options<a href="#options" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-get-signature tsd-parent-kind-class"><li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">get</span> options<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Readonly</span><span class="tsd-signature-symbol"><</span><a href="../interfaces/MongoOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">MongoOptions</a><span class="tsd-signature-symbol">></span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_client.ts#L375">src/mongo_client.ts:375</a></li></ul></aside><div class="tsd-comment tsd-typography"><dl class="tsd-comment-tags"><dt>see</dt><dd><p>MongoOptions</p>
</dd></dl></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Readonly</span><span class="tsd-signature-symbol"><</span><a href="../interfaces/MongoOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">MongoOptions</a><span class="tsd-signature-symbol">></span></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-get-signature tsd-parent-kind-class"><a id="readConcern" class="tsd-anchor"></a><h3 class="tsd-anchor-link">read<wbr/>Concern<a href="#readConcern" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-get-signature tsd-parent-kind-class"><li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">get</span> readConcern<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a href="ReadConcern.html" class="tsd-signature-type" data-tsd-kind="Class">ReadConcern</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_client.ts#L397">src/mongo_client.ts:397</a></li></ul></aside><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a href="ReadConcern.html" class="tsd-signature-type" data-tsd-kind="Class">ReadConcern</a></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-get-signature tsd-parent-kind-class"><a id="readPreference" class="tsd-anchor"></a><h3 class="tsd-anchor-link">read<wbr/>Preference<a href="#readPreference" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-get-signature tsd-parent-kind-class"><li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">get</span> readPreference<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="ReadPreference.html" class="tsd-signature-type" data-tsd-kind="Class">ReadPreference</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_client.ts#L405">src/mongo_client.ts:405</a></li></ul></aside><h4 class="tsd-returns-title">Returns <a href="ReadPreference.html" class="tsd-signature-type" data-tsd-kind="Class">ReadPreference</a></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-get-signature tsd-parent-kind-class"><a id="serverApi" class="tsd-anchor"></a><h3 class="tsd-anchor-link">server<wbr/>Api<a href="#serverApi" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-get-signature tsd-parent-kind-class"><li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">get</span> serverApi<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Readonly</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a href="../interfaces/ServerApi.html" class="tsd-signature-type" data-tsd-kind="Interface">ServerApi</a><span class="tsd-signature-symbol">></span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_client.ts#L379">src/mongo_client.ts:379</a></li></ul></aside><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Readonly</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a href="../interfaces/ServerApi.html" class="tsd-signature-type" data-tsd-kind="Interface">ServerApi</a><span class="tsd-signature-symbol">></span></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-get-signature tsd-parent-kind-class"><a id="writeConcern" class="tsd-anchor"></a><h3 class="tsd-anchor-link">write<wbr/>Concern<a href="#writeConcern" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-get-signature tsd-parent-kind-class"><li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">get</span> writeConcern<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a href="WriteConcern.html" class="tsd-signature-type" data-tsd-kind="Class">WriteConcern</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_client.ts#L401">src/mongo_client.ts:401</a></li></ul></aside><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a href="WriteConcern.html" class="tsd-signature-type" data-tsd-kind="Class">WriteConcern</a></h4></li></ul></section></section><section class="tsd-panel-group tsd-member-group "><h2>Methods</h2><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a id="addListener" class="tsd-anchor"></a><h3 class="tsd-anchor-link">add<wbr/>Listener<a href="#addListener" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><li class="tsd-signature tsd-kind-icon">add<wbr/>Listener<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</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" data-tsd-kind="Type parameter">EventKey</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span><span class="tsd-signature-symbol">]</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li><li class="tsd-signature tsd-kind-icon">add<wbr/>Listener<span class="tsd-signature-symbol">(</span>event<span class="tsd-signature-symbol">: </span><a href="../modules.html#CommonEvents" class="tsd-signature-type" data-tsd-kind="Type alias">CommonEvents</a>, listener<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><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><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li><li class="tsd-signature tsd-kind-icon">add<wbr/>Listener<span class="tsd-signature-symbol">(</span>event<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#addListener">addListener</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L318">src/mongo_types.ts:318</a></li></ul></aside><h4 class="tsd-type-parameters-title">Type parameters</h4><ul class="tsd-type-parameters"><li><h4>EventKey<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">"error"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"timeout"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"close"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"open"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCleared"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedOut"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedIn"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatFailed"</span></h4></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span></h5></li><li><h5>listener: <a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span><span class="tsd-signature-symbol">]</span></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#addListener">addListener</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L319">src/mongo_types.ts:319</a></li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <a href="../modules.html#CommonEvents" class="tsd-signature-type" data-tsd-kind="Type alias">CommonEvents</a></h5></li><li><h5>listener: <span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> => </span><span class="tsd-signature-type">void</span></h5><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures tsd-kind-type-literal"><li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>eventName: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span></h5></li><li><h5>listener: <a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></li></ul></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#addListener">addListener</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L323">src/mongo_types.ts:323</a></li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span></h5></li><li><h5>listener: <a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a id="close" class="tsd-anchor"></a><h3 class="tsd-anchor-link">close<a href="#close" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"><li class="tsd-signature tsd-kind-icon">close<span class="tsd-signature-symbol">(</span>force<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">boolean</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"><</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">></span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_client.ts#L512">src/mongo_client.ts:512</a></li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
<p>Close the client and its underlying connections</p>
</div></div><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>force: <span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol"> = false</span></h5><div class="tsd-comment tsd-typography"><div class="lead">
<p>Force close, emitting no events</p>
</div></div></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">></span></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a id="connect" class="tsd-anchor"></a><h3 class="tsd-anchor-link">connect<a href="#connect" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"><li class="tsd-signature tsd-kind-icon">connect<span class="tsd-signature-symbol">(</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"><</span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a><span class="tsd-signature-symbol">></span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_client.ts#L418">src/mongo_client.ts:418</a></li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
<p>Connect to MongoDB using a url</p>
</div><dl class="tsd-comment-tags"><dt>see</dt><dd><p>docs.mongodb.org/manual/reference/connection-string/</p>
</dd></dl></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a><span class="tsd-signature-symbol">></span></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a id="db" class="tsd-anchor"></a><h3 class="tsd-anchor-link">db<a href="#db" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"><li class="tsd-signature tsd-kind-icon">db<span class="tsd-signature-symbol">(</span>dbName<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">string</span>, options<span class="tsd-signature-symbol">?: </span><a href="../interfaces/DbOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">DbOptions</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="Db.html" class="tsd-signature-type" data-tsd-kind="Class">Db</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_client.ts#L573">src/mongo_client.ts:573</a></li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
<p>Create a new Db instance sharing the current socket connections.</p>
</div></div><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5><span class="tsd-flag ts-flagOptional">Optional</span> dbName: <span class="tsd-signature-type">string</span></h5><div class="tsd-comment tsd-typography"><div class="lead">
<p>The name of the database we want to use. If not provided, use database name from connection string.</p>
</div></div></li><li><h5><span class="tsd-flag ts-flagOptional">Optional</span> options: <a href="../interfaces/DbOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">DbOptions</a></h5><div class="tsd-comment tsd-typography"><div class="lead">
<p>Optional settings for Db construction</p>
</div></div></li></ul><h4 class="tsd-returns-title">Returns <a href="Db.html" class="tsd-signature-type" data-tsd-kind="Class">Db</a></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a id="emit" class="tsd-anchor"></a><h3 class="tsd-anchor-link">emit<a href="#emit" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><li class="tsd-signature tsd-kind-icon">emit<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</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">symbol</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span>, <span class="tsd-signature-symbol">...</span>args<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Parameters</span><span class="tsd-signature-symbol"><</span><a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</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-signature-type">boolean</span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#emit">emit</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L365">src/mongo_types.ts:365</a></li></ul></aside><h4 class="tsd-type-parameters-title">Type parameters</h4><ul class="tsd-type-parameters"><li><h4>EventKey<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">"error"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"timeout"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"close"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"open"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCleared"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedOut"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedIn"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatFailed"</span></h4></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <span class="tsd-signature-type">symbol</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span></h5></li><li><h5><span class="tsd-flag ts-flagRest">Rest</span> <span class="tsd-signature-symbol">...</span>args: <span class="tsd-signature-type">Parameters</span><span class="tsd-signature-symbol"><</span><a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span><span class="tsd-signature-symbol">]</span><span class="tsd-signature-symbol">></span></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a id="eventNames" class="tsd-anchor"></a><h3 class="tsd-anchor-link">event<wbr/>Names<a href="#eventNames" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><li class="tsd-signature tsd-kind-icon">event<wbr/>Names<span class="tsd-signature-symbol">(</span><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></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#eventNames">eventNames</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L391">src/mongo_types.ts:391</a></li></ul></aside><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a id="getMaxListeners" class="tsd-anchor"></a><h3 class="tsd-anchor-link">get<wbr/>Max<wbr/>Listeners<a href="#getMaxListeners" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><li class="tsd-signature tsd-kind-icon">get<wbr/>Max<wbr/>Listeners<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#getMaxListeners">getMaxListeners</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L392">src/mongo_types.ts:392</a></li></ul></aside><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a id="listenerCount" class="tsd-anchor"></a><h3 class="tsd-anchor-link">listener<wbr/>Count<a href="#listenerCount" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><li class="tsd-signature tsd-kind-icon">listener<wbr/>Count<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span>type<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">EventKey</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#listenerCount">listenerCount</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L370">src/mongo_types.ts:370</a></li></ul></aside><h4 class="tsd-type-parameters-title">Type parameters</h4><ul class="tsd-type-parameters"><li><h4>EventKey<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">"error"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"timeout"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"close"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"open"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCleared"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedOut"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedIn"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatFailed"</span></h4></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>type: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">EventKey</span></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a id="listeners" class="tsd-anchor"></a><h3 class="tsd-anchor-link">listeners<a href="#listeners" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><li class="tsd-signature tsd-kind-icon">listeners<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</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">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span><span class="tsd-signature-symbol">]</span><span class="tsd-signature-symbol">[]</span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#listeners">listeners</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L357">src/mongo_types.ts:357</a></li></ul></aside><h4 class="tsd-type-parameters-title">Type parameters</h4><ul class="tsd-type-parameters"><li><h4>EventKey<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">"error"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"timeout"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"close"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"open"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCleared"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedOut"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedIn"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatFailed"</span></h4></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span><span class="tsd-signature-symbol">]</span><span class="tsd-signature-symbol">[]</span></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a id="off" class="tsd-anchor"></a><h3 class="tsd-anchor-link">off<a href="#off" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><li class="tsd-signature tsd-kind-icon">off<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</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" data-tsd-kind="Type parameter">EventKey</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span><span class="tsd-signature-symbol">]</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li><li class="tsd-signature tsd-kind-icon">off<span class="tsd-signature-symbol">(</span>event<span class="tsd-signature-symbol">: </span><a href="../modules.html#CommonEvents" class="tsd-signature-type" data-tsd-kind="Type alias">CommonEvents</a>, listener<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><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><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li><li class="tsd-signature tsd-kind-icon">off<span class="tsd-signature-symbol">(</span>event<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#off">off</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L346">src/mongo_types.ts:346</a></li></ul></aside><h4 class="tsd-type-parameters-title">Type parameters</h4><ul class="tsd-type-parameters"><li><h4>EventKey<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">"error"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"timeout"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"close"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"open"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCleared"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedOut"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedIn"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatFailed"</span></h4></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span></h5></li><li><h5>listener: <a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span><span class="tsd-signature-symbol">]</span></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#off">off</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L347">src/mongo_types.ts:347</a></li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <a href="../modules.html#CommonEvents" class="tsd-signature-type" data-tsd-kind="Type alias">CommonEvents</a></h5></li><li><h5>listener: <span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> => </span><span class="tsd-signature-type">void</span></h5><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures tsd-kind-type-literal"><li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>eventName: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span></h5></li><li><h5>listener: <a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></li></ul></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#off">off</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L351">src/mongo_types.ts:351</a></li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span></h5></li><li><h5>listener: <a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a id="on" class="tsd-anchor"></a><h3 class="tsd-anchor-link">on<a href="#on" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><li class="tsd-signature tsd-kind-icon">on<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</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">EventKey</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type">EventKey</span><span class="tsd-signature-symbol">]</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li><li class="tsd-signature tsd-kind-icon">on<span class="tsd-signature-symbol">(</span>event<span class="tsd-signature-symbol">: </span><a href="../modules.html#CommonEvents" class="tsd-signature-type" data-tsd-kind="Type alias">CommonEvents</a>, listener<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><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><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li><li class="tsd-signature tsd-kind-icon">on<span class="tsd-signature-symbol">(</span>event<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#on">on</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L325">src/mongo_types.ts:325</a></li></ul></aside><h4 class="tsd-type-parameters-title">Type parameters</h4><ul class="tsd-type-parameters"><li><h4>EventKey<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">"error"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"timeout"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"close"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"open"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCleared"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedOut"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedIn"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatFailed"</span></h4></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <span class="tsd-signature-type">EventKey</span></h5></li><li><h5>listener: <a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type">EventKey</span><span class="tsd-signature-symbol">]</span></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#on">on</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L326">src/mongo_types.ts:326</a></li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <a href="../modules.html#CommonEvents" class="tsd-signature-type" data-tsd-kind="Type alias">CommonEvents</a></h5></li><li><h5>listener: <span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> => </span><span class="tsd-signature-type">void</span></h5><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures tsd-kind-type-literal"><li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>eventName: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span></h5></li><li><h5>listener: <a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></li></ul></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#on">on</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L330">src/mongo_types.ts:330</a></li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span></h5></li><li><h5>listener: <a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a id="once" class="tsd-anchor"></a><h3 class="tsd-anchor-link">once<a href="#once" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><li class="tsd-signature tsd-kind-icon">once<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</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" data-tsd-kind="Type parameter">EventKey</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span><span class="tsd-signature-symbol">]</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li><li class="tsd-signature tsd-kind-icon">once<span class="tsd-signature-symbol">(</span>event<span class="tsd-signature-symbol">: </span><a href="../modules.html#CommonEvents" class="tsd-signature-type" data-tsd-kind="Type alias">CommonEvents</a>, listener<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><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><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li><li class="tsd-signature tsd-kind-icon">once<span class="tsd-signature-symbol">(</span>event<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#once">once</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L332">src/mongo_types.ts:332</a></li></ul></aside><h4 class="tsd-type-parameters-title">Type parameters</h4><ul class="tsd-type-parameters"><li><h4>EventKey<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">"error"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"timeout"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"close"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"open"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCleared"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedOut"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedIn"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatFailed"</span></h4></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span></h5></li><li><h5>listener: <a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span><span class="tsd-signature-symbol">]</span></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#once">once</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L333">src/mongo_types.ts:333</a></li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <a href="../modules.html#CommonEvents" class="tsd-signature-type" data-tsd-kind="Type alias">CommonEvents</a></h5></li><li><h5>listener: <span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> => </span><span class="tsd-signature-type">void</span></h5><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures tsd-kind-type-literal"><li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>eventName: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span></h5></li><li><h5>listener: <a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></li></ul></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#once">once</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L337">src/mongo_types.ts:337</a></li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span></h5></li><li><h5>listener: <a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a id="prependListener" class="tsd-anchor"></a><h3 class="tsd-anchor-link">prepend<wbr/>Listener<a href="#prependListener" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><li class="tsd-signature tsd-kind-icon">prepend<wbr/>Listener<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</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" data-tsd-kind="Type parameter">EventKey</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span><span class="tsd-signature-symbol">]</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li><li class="tsd-signature tsd-kind-icon">prepend<wbr/>Listener<span class="tsd-signature-symbol">(</span>event<span class="tsd-signature-symbol">: </span><a href="../modules.html#CommonEvents" class="tsd-signature-type" data-tsd-kind="Type alias">CommonEvents</a>, listener<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><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><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li><li class="tsd-signature tsd-kind-icon">prepend<wbr/>Listener<span class="tsd-signature-symbol">(</span>event<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#prependListener">prependListener</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L374">src/mongo_types.ts:374</a></li></ul></aside><h4 class="tsd-type-parameters-title">Type parameters</h4><ul class="tsd-type-parameters"><li><h4>EventKey<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">"error"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"timeout"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"close"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"open"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCleared"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedOut"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedIn"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatFailed"</span></h4></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span></h5></li><li><h5>listener: <a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</span><span class="tsd-signature-symbol">]</span></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#prependListener">prependListener</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L375">src/mongo_types.ts:375</a></li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <a href="../modules.html#CommonEvents" class="tsd-signature-type" data-tsd-kind="Type alias">CommonEvents</a></h5></li><li><h5>listener: <span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> => </span><span class="tsd-signature-type">void</span></h5><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures tsd-kind-type-literal"><li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>eventName: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span></h5></li><li><h5>listener: <a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></li></ul></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#prependListener">prependListener</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L379">src/mongo_types.ts:379</a></li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span></h5></li><li><h5>listener: <a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a id="prependOnceListener" class="tsd-anchor"></a><h3 class="tsd-anchor-link">prepend<wbr/>Once<wbr/>Listener<a href="#prependOnceListener" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><li class="tsd-signature tsd-kind-icon">prepend<wbr/>Once<wbr/>Listener<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</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">EventKey</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type">EventKey</span><span class="tsd-signature-symbol">]</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li><li class="tsd-signature tsd-kind-icon">prepend<wbr/>Once<wbr/>Listener<span class="tsd-signature-symbol">(</span>event<span class="tsd-signature-symbol">: </span><a href="../modules.html#CommonEvents" class="tsd-signature-type" data-tsd-kind="Type alias">CommonEvents</a>, listener<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><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><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li><li class="tsd-signature tsd-kind-icon">prepend<wbr/>Once<wbr/>Listener<span class="tsd-signature-symbol">(</span>event<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#prependOnceListener">prependOnceListener</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L381">src/mongo_types.ts:381</a></li></ul></aside><h4 class="tsd-type-parameters-title">Type parameters</h4><ul class="tsd-type-parameters"><li><h4>EventKey<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">"error"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"timeout"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"close"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"open"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCleared"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedOut"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedIn"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatFailed"</span></h4></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <span class="tsd-signature-type">EventKey</span></h5></li><li><h5>listener: <a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type">EventKey</span><span class="tsd-signature-symbol">]</span></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#prependOnceListener">prependOnceListener</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L385">src/mongo_types.ts:385</a></li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <a href="../modules.html#CommonEvents" class="tsd-signature-type" data-tsd-kind="Type alias">CommonEvents</a></h5></li><li><h5>listener: <span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> => </span><span class="tsd-signature-type">void</span></h5><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures tsd-kind-type-literal"><li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>eventName: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span></h5></li><li><h5>listener: <a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></li></ul></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#prependOnceListener">prependOnceListener</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L389">src/mongo_types.ts:389</a></li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span></h5></li><li><h5>listener: <a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a id="rawListeners" class="tsd-anchor"></a><h3 class="tsd-anchor-link">raw<wbr/>Listeners<a href="#rawListeners" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><li class="tsd-signature tsd-kind-icon">raw<wbr/>Listeners<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</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">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">EventKey</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type">EventKey</span><span class="tsd-signature-symbol">]</span><span class="tsd-signature-symbol">[]</span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#rawListeners">rawListeners</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L361">src/mongo_types.ts:361</a></li></ul></aside><h4 class="tsd-type-parameters-title">Type parameters</h4><ul class="tsd-type-parameters"><li><h4>EventKey<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">"error"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"timeout"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"close"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"open"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCleared"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedOut"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedIn"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatFailed"</span></h4></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">EventKey</span></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type">EventKey</span><span class="tsd-signature-symbol">]</span><span class="tsd-signature-symbol">[]</span></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a id="removeAllListeners" class="tsd-anchor"></a><h3 class="tsd-anchor-link">remove<wbr/>All<wbr/>Listeners<a href="#removeAllListeners" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><li class="tsd-signature tsd-kind-icon">remove<wbr/>All<wbr/>Listeners<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</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">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">EventKey</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#removeAllListeners">removeAllListeners</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L353">src/mongo_types.ts:353</a></li></ul></aside><h4 class="tsd-type-parameters-title">Type parameters</h4><ul class="tsd-type-parameters"><li><h4>EventKey<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">"error"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"timeout"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"close"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"open"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCleared"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedOut"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedIn"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatFailed"</span></h4></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5><span class="tsd-flag ts-flagOptional">Optional</span> event: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">EventKey</span></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a id="removeListener" class="tsd-anchor"></a><h3 class="tsd-anchor-link">remove<wbr/>Listener<a href="#removeListener" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><li class="tsd-signature tsd-kind-icon">remove<wbr/>Listener<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">EventKey</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">EventKey</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type">EventKey</span><span class="tsd-signature-symbol">]</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li><li class="tsd-signature tsd-kind-icon">remove<wbr/>Listener<span class="tsd-signature-symbol">(</span>event<span class="tsd-signature-symbol">: </span><a href="../modules.html#CommonEvents" class="tsd-signature-type" data-tsd-kind="Type alias">CommonEvents</a>, listener<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><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><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li><li class="tsd-signature tsd-kind-icon">remove<wbr/>Listener<span class="tsd-signature-symbol">(</span>event<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#removeListener">removeListener</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L339">src/mongo_types.ts:339</a></li></ul></aside><h4 class="tsd-type-parameters-title">Type parameters</h4><ul class="tsd-type-parameters"><li><h4>EventKey<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">"error"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"timeout"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"close"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"open"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyOpening"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"topologyDescriptionChanged"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolCleared"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionPoolReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCreated"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionReady"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionClosed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckOutFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedOut"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"connectionCheckedIn"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"commandFailed"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatStarted"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatSucceeded"</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">"serverHeartbeatFailed"</span></h4></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <span class="tsd-signature-type">EventKey</span></h5></li><li><h5>listener: <a href="../modules.html#MongoClientEvents" class="tsd-signature-type" data-tsd-kind="Type alias">MongoClientEvents</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type">EventKey</span><span class="tsd-signature-symbol">]</span></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#removeListener">removeListener</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L340">src/mongo_types.ts:340</a></li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <a href="../modules.html#CommonEvents" class="tsd-signature-type" data-tsd-kind="Type alias">CommonEvents</a></h5></li><li><h5>listener: <span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> => </span><span class="tsd-signature-type">void</span></h5><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures tsd-kind-type-literal"><li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">(</span>eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, listener<span class="tsd-signature-symbol">: </span><a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>eventName: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span></h5></li><li><h5>listener: <a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></li></ul></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#removeListener">removeListener</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L344">src/mongo_types.ts:344</a></li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>event: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span></h5></li><li><h5>listener: <a href="../modules.html#GenericListener" class="tsd-signature-type" data-tsd-kind="Type alias">GenericListener</a></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a id="setMaxListeners" class="tsd-anchor"></a><h3 class="tsd-anchor-link">set<wbr/>Max<wbr/>Listeners<a href="#setMaxListeners" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><li class="tsd-signature tsd-kind-icon">set<wbr/>Max<wbr/>Listeners<span class="tsd-signature-symbol">(</span>n<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><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#setMaxListeners">setMaxListeners</a></p><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_types.ts#L393">src/mongo_types.ts:393</a></li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>n: <span class="tsd-signature-type">number</span></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a id="startSession" class="tsd-anchor"></a><h3 class="tsd-anchor-link">start<wbr/>Session<a href="#startSession" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"><li class="tsd-signature tsd-kind-icon">start<wbr/>Session<span class="tsd-signature-symbol">(</span>options<span class="tsd-signature-symbol">?: </span><a href="../interfaces/ClientSessionOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">ClientSessionOptions</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="ClientSession.html" class="tsd-signature-type" data-tsd-kind="Class">ClientSession</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_client.ts#L605">src/mongo_client.ts:605</a></li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
<p>Starts a new session on the server</p>
</div></div><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5><span class="tsd-flag ts-flagOptional">Optional</span> options: <a href="../interfaces/ClientSessionOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">ClientSessionOptions</a></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="ClientSession.html" class="tsd-signature-type" data-tsd-kind="Class">ClientSession</a></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter"><a id="watch" class="tsd-anchor"></a><h3 class="tsd-anchor-link">watch<a href="#watch" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter"><li class="tsd-signature tsd-kind-icon">watch<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">TSchema</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">TChange</span><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span>pipeline<span class="tsd-signature-symbol">?: </span><a href="../interfaces/BSON.Document.html" class="tsd-signature-type" data-tsd-kind="Interface">Document</a><span class="tsd-signature-symbol">[]</span>, options<span class="tsd-signature-symbol">?: </span><a href="../interfaces/ChangeStreamOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">ChangeStreamOptions</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="ChangeStream.html" class="tsd-signature-type" data-tsd-kind="Class">ChangeStream</a><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">TSchema</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">TChange</span><span class="tsd-signature-symbol">></span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_client.ts#L676">src/mongo_client.ts:676</a></li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
<p>Create a new Change Stream, watching for new changes (insertions, updates,
replacements, deletions, and invalidations) in this cluster. Will ignore all
changes to system collections, as well as the local, admin, and config databases.</p>
</div><dl class="tsd-comment-tags"><dt>remarks</dt><dd><p>watch() accepts two generic arguments for distinct use cases:</p>
<ul>
<li>The first is to provide the schema that may be defined for all the data within the current cluster</li>
<li>The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument</li>
</ul>
</dd></dl></div><h4 class="tsd-type-parameters-title">Type parameters</h4><ul class="tsd-type-parameters"><li><h4>TSchema<span class="tsd-signature-symbol">: </span><a href="../interfaces/BSON.Document.html" class="tsd-signature-type" data-tsd-kind="Interface">Document</a> = <a href="../interfaces/BSON.Document.html" class="tsd-signature-type" data-tsd-kind="Interface">Document</a></h4><div class="tsd-comment tsd-typography"><div class="lead">
<p>Type of the data being detected by the change stream</p>
</div></div></li><li><h4>TChange<span class="tsd-signature-symbol">: </span><a href="../interfaces/BSON.Document.html" class="tsd-signature-type" data-tsd-kind="Interface">Document</a> = <a href="../modules.html#ChangeStreamDocument" class="tsd-signature-type" data-tsd-kind="Type alias">ChangeStreamDocument</a><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">TSchema</span><span class="tsd-signature-symbol">></span></h4><div class="tsd-comment tsd-typography"><div class="lead">
<p>Type of the whole change stream document emitted</p>
</div></div></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>pipeline: <a href="../interfaces/BSON.Document.html" class="tsd-signature-type" data-tsd-kind="Interface">Document</a><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol"> = []</span></h5><div class="tsd-comment tsd-typography"><div class="lead">
<p>An array of <a href="https://www.mongodb.com/docs/manual/reference/operator/aggregation-pipeline/" class="external">aggregation pipeline stages</a> through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.</p>
</div></div></li><li><h5>options: <a href="../interfaces/ChangeStreamOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">ChangeStreamOptions</a><span class="tsd-signature-symbol"> = {}</span></h5><div class="tsd-comment tsd-typography"><div class="lead">
<p>Optional settings for the command</p>
</div></div></li></ul><h4 class="tsd-returns-title">Returns <a href="ChangeStream.html" class="tsd-signature-type" data-tsd-kind="Class">ChangeStream</a><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">TSchema</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">TChange</span><span class="tsd-signature-symbol">></span></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a id="withSession" class="tsd-anchor"></a><h3 class="tsd-anchor-link">with<wbr/>Session<a href="#withSession" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"><li class="tsd-signature tsd-kind-icon">with<wbr/>Session<span class="tsd-signature-symbol">(</span>callback<span class="tsd-signature-symbol">: </span><a href="../modules.html#WithSessionCallback" class="tsd-signature-type" data-tsd-kind="Type alias">WithSessionCallback</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"><</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">></span></li><li class="tsd-signature tsd-kind-icon">with<wbr/>Session<span class="tsd-signature-symbol">(</span>options<span class="tsd-signature-symbol">: </span><a href="../interfaces/ClientSessionOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">ClientSessionOptions</a>, callback<span class="tsd-signature-symbol">: </span><a href="../modules.html#WithSessionCallback" class="tsd-signature-type" data-tsd-kind="Type alias">WithSessionCallback</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"><</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">></span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_client.ts#L628">src/mongo_client.ts:628</a></li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
<p>Runs a given operation with an implicitly created session. The lifetime of the session
will be handled without the need for user interaction.</p>
</div><div><p>NOTE: presently the operation MUST return a Promise (either explicit or implicitly as an async function)</p>
</div></div><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>callback: <a href="../modules.html#WithSessionCallback" class="tsd-signature-type" data-tsd-kind="Type alias">WithSessionCallback</a></h5><div class="tsd-comment tsd-typography"><div class="lead">
<p>An callback to execute with an implicitly created session</p>
</div></div></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">></span></h4></li><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_client.ts#L629">src/mongo_client.ts:629</a></li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>options: <a href="../interfaces/ClientSessionOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">ClientSessionOptions</a></h5></li><li><h5>callback: <a href="../modules.html#WithSessionCallback" class="tsd-signature-type" data-tsd-kind="Type alias">WithSessionCallback</a></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">></span></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-static"><a id="connect-1" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span class="tsd-flag ts-flagStatic">Static</span> connect<a href="#connect-1" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-static"><li class="tsd-signature tsd-kind-icon">connect<span class="tsd-signature-symbol">(</span>url<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span>, options<span class="tsd-signature-symbol">?: </span><a href="../interfaces/MongoClientOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">MongoClientOptions</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"><</span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a><span class="tsd-signature-symbol">></span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/mongodb/node-mongodb-native/blob/v5.4.0/src/mongo_client.ts#L599">src/mongo_client.ts:599</a></li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
<p>Connect to MongoDB using a url</p>
</div><dl class="tsd-comment-tags"><dt>remarks</dt><dd><p>The programmatically provided options take precedence over the URI options.</p>
</dd><dt>see</dt><dd><p><a href="https://www.mongodb.com/docs/manual/reference/connection-string/">https://www.mongodb.com/docs/manual/reference/connection-string/</a></p>
</dd></dl></div><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>url: <span class="tsd-signature-type">string</span></h5></li><li><h5><span class="tsd-flag ts-flagOptional">Optional</span> options: <a href="../interfaces/MongoClientOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">MongoClientOptions</a></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><a href="MongoClient.html" class="tsd-signature-type" data-tsd-kind="Class">MongoClient</a><span class="tsd-signature-symbol">></span></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a id="getEventListeners" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span class="tsd-flag ts-flagStatic">Static</span> get<wbr/>Event<wbr/>Listeners<a href="#getEventListeners" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><li class="tsd-signature tsd-kind-icon">get<wbr/>Event<wbr/>Listeners<span class="tsd-signature-symbol">(</span>emitter<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">EventEmitter</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">_DOMEventTarget</span>, name<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Function</span><span class="tsd-signature-symbol">[]</span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#getEventListeners">getEventListeners</a></p><ul><li>Defined in node_modules/@types/node/events.d.ts:299</li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
<p>Returns a copy of the array of listeners for the event named <code>eventName</code>.</p>
</div><div><p>For <code>EventEmitter</code>s this behaves exactly the same as calling <code>.listeners</code> on
the emitter.</p>
<p>For <code>EventTarget</code>s this is the only way to get the event listeners for the
event target. This is useful for debugging and diagnostic purposes.</p>
<pre><code class="language-js"><span class="hl-3">const</span><span class="hl-0"> { </span><span class="hl-4">getEventListeners</span><span class="hl-0">, </span><span class="hl-4">EventEmitter</span><span class="hl-0"> } = </span><span class="hl-2">require</span><span class="hl-0">(</span><span class="hl-5">'events'</span><span class="hl-0">);</span><br/><br/><span class="hl-0">{</span><br/><span class="hl-0"> </span><span class="hl-3">const</span><span class="hl-0"> </span><span class="hl-4">ee</span><span class="hl-0"> = </span><span class="hl-3">new</span><span class="hl-0"> </span><span class="hl-2">EventEmitter</span><span class="hl-0">();</span><br/><span class="hl-0"> </span><span class="hl-3">const</span><span class="hl-0"> </span><span class="hl-2">listener</span><span class="hl-0"> = () </span><span class="hl-3">=></span><span class="hl-0"> </span><span class="hl-6">console</span><span class="hl-0">.</span><span class="hl-2">log</span><span class="hl-0">(</span><span class="hl-5">'Events are fun'</span><span class="hl-0">);</span><br/><span class="hl-0"> </span><span class="hl-6">ee</span><span class="hl-0">.</span><span class="hl-2">on</span><span class="hl-0">(</span><span class="hl-5">'foo'</span><span class="hl-0">, </span><span class="hl-6">listener</span><span class="hl-0">);</span><br/><span class="hl-0"> </span><span class="hl-2">getEventListeners</span><span class="hl-0">(</span><span class="hl-6">ee</span><span class="hl-0">, </span><span class="hl-5">'foo'</span><span class="hl-0">); </span><span class="hl-1">// [listener]</span><br/><span class="hl-0">}</span><br/><span class="hl-0">{</span><br/><span class="hl-0"> </span><span class="hl-3">const</span><span class="hl-0"> </span><span class="hl-4">et</span><span class="hl-0"> = </span><span class="hl-3">new</span><span class="hl-0"> </span><span class="hl-2">EventTarget</span><span class="hl-0">();</span><br/><span class="hl-0"> </span><span class="hl-3">const</span><span class="hl-0"> </span><span class="hl-2">listener</span><span class="hl-0"> = () </span><span class="hl-3">=></span><span class="hl-0"> </span><span class="hl-6">console</span><span class="hl-0">.</span><span class="hl-2">log</span><span class="hl-0">(</span><span class="hl-5">'Events are fun'</span><span class="hl-0">);</span><br/><span class="hl-0"> </span><span class="hl-6">et</span><span class="hl-0">.</span><span class="hl-2">addEventListener</span><span class="hl-0">(</span><span class="hl-5">'foo'</span><span class="hl-0">, </span><span class="hl-6">listener</span><span class="hl-0">);</span><br/><span class="hl-0"> </span><span class="hl-2">getEventListeners</span><span class="hl-0">(</span><span class="hl-6">et</span><span class="hl-0">, </span><span class="hl-5">'foo'</span><span class="hl-0">); </span><span class="hl-1">// [listener]</span><br/><span class="hl-0">}</span>
</code></pre>
</div><dl class="tsd-comment-tags"><dt>since</dt><dd><p>v15.2.0, v14.17.0</p>
</dd></dl></div><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>emitter: <span class="tsd-signature-type">EventEmitter</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">_DOMEventTarget</span></h5></li><li><h5>name: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Function</span><span class="tsd-signature-symbol">[]</span></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a id="listenerCount-1" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span class="tsd-flag ts-flagStatic">Static</span> listener<wbr/>Count<a href="#listenerCount-1" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><li class="tsd-signature tsd-kind-icon">listener<wbr/>Count<span class="tsd-signature-symbol">(</span>emitter<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">EventEmitter</span>, eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#listenerCount-1">listenerCount</a></p><ul><li>Defined in node_modules/@types/node/events.d.ts:271</li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
<p>A class method that returns the number of listeners for the given <code>eventName</code>registered on the given <code>emitter</code>.</p>
</div><div><pre><code class="language-js"><span class="hl-3">const</span><span class="hl-0"> { </span><span class="hl-4">EventEmitter</span><span class="hl-0">, </span><span class="hl-4">listenerCount</span><span class="hl-0"> } = </span><span class="hl-2">require</span><span class="hl-0">(</span><span class="hl-5">'events'</span><span class="hl-0">);</span><br/><span class="hl-3">const</span><span class="hl-0"> </span><span class="hl-4">myEmitter</span><span class="hl-0"> = </span><span class="hl-3">new</span><span class="hl-0"> </span><span class="hl-2">EventEmitter</span><span class="hl-0">();</span><br/><span class="hl-6">myEmitter</span><span class="hl-0">.</span><span class="hl-2">on</span><span class="hl-0">(</span><span class="hl-5">'event'</span><span class="hl-0">, () </span><span class="hl-3">=></span><span class="hl-0"> {});</span><br/><span class="hl-6">myEmitter</span><span class="hl-0">.</span><span class="hl-2">on</span><span class="hl-0">(</span><span class="hl-5">'event'</span><span class="hl-0">, () </span><span class="hl-3">=></span><span class="hl-0"> {});</span><br/><span class="hl-6">console</span><span class="hl-0">.</span><span class="hl-2">log</span><span class="hl-0">(</span><span class="hl-2">listenerCount</span><span class="hl-0">(</span><span class="hl-6">myEmitter</span><span class="hl-0">, </span><span class="hl-5">'event'</span><span class="hl-0">));</span><br/><span class="hl-1">// Prints: 2</span>
</code></pre>
</div><dl class="tsd-comment-tags"><dt>since</dt><dd><p>v0.9.12</p>
</dd><dt>deprecated</dt><dd><p>Since v3.2.0 - Use <code>listenerCount</code> instead.</p>
</dd></dl></div><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>emitter: <span class="tsd-signature-type">EventEmitter</span></h5><div class="tsd-comment tsd-typography"><div class="lead">
<p>The emitter to query</p>
</div></div></li><li><h5>eventName: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span></h5><div class="tsd-comment tsd-typography"><div class="lead">
<p>The event name</p>
</div></div></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a id="on-1" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span class="tsd-flag ts-flagStatic">Static</span> on<a href="#on-1" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><li class="tsd-signature tsd-kind-icon">on<span class="tsd-signature-symbol">(</span>emitter<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">EventEmitter</span>, eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span>, options<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">StaticEventEmitterOptions</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">AsyncIterableIterator</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">></span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#on-1">on</a></p><ul><li>Defined in node_modules/@types/node/events.d.ts:254</li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
<pre><code class="language-js"><span class="hl-3">const</span><span class="hl-0"> { </span><span class="hl-4">on</span><span class="hl-0">, </span><span class="hl-4">EventEmitter</span><span class="hl-0"> } = </span><span class="hl-2">require</span><span class="hl-0">(</span><span class="hl-5">'events'</span><span class="hl-0">);</span>
</code></pre>
</div><div><p>(async () => {
const ee = new EventEmitter();</p>
<p> // Emit later on
process.nextTick(() => {
ee.emit('foo', 'bar');
ee.emit('foo', 42);
});</p>
<p> for await (const event of on(ee, 'foo')) {
// The execution of this inner block is synchronous and it
// processes one event at a time (even with await). Do not use
// if concurrent execution is required.
console.log(event); // prints ['bar'] [42]
}
// Unreachable here
})();</p>
<pre><code><br/><span class="hl-6">Returns</span><span class="hl-0"> </span><span class="hl-6">an</span><span class="hl-0"> </span><span class="hl-5">`AsyncIterator`</span><span class="hl-0"> </span><span class="hl-6">that</span><span class="hl-0"> </span><span class="hl-6">iterates</span><span class="hl-0"> </span><span class="hl-5">`eventName`</span><span class="hl-0"> </span><span class="hl-6">events</span><span class="hl-0">. </span><span class="hl-6">It</span><span class="hl-0"> </span><span class="hl-6">will</span><span class="hl-0"> </span><span class="hl-7">throw</span><br/><span class="hl-7">if</span><span class="hl-0"> </span><span class="hl-6">the</span><span class="hl-0"> </span><span class="hl-5">`EventEmitter`</span><span class="hl-0"> </span><span class="hl-6">emits</span><span class="hl-0"> </span><span class="hl-5">`'error'`</span><span class="hl-0">. </span><span class="hl-6">It</span><span class="hl-0"> </span><span class="hl-6">removes</span><span class="hl-0"> </span><span class="hl-6">all</span><span class="hl-0"> </span><span class="hl-6">listeners</span><span class="hl-0"> </span><span class="hl-6">when</span><br/><span class="hl-6">exiting</span><span class="hl-0"> </span><span class="hl-6">the</span><span class="hl-0"> </span><span class="hl-6">loop</span><span class="hl-0">. </span><span class="hl-6">The</span><span class="hl-0"> </span><span class="hl-5">`value`</span><span class="hl-0"> </span><span class="hl-6">returned</span><span class="hl-0"> </span><span class="hl-6">by</span><span class="hl-0"> </span><span class="hl-6">each</span><span class="hl-0"> </span><span class="hl-6">iteration</span><span class="hl-0"> </span><span class="hl-6">is</span><span class="hl-0"> </span><span class="hl-6">an</span><span class="hl-0"> </span><span class="hl-6">array</span><br/><span class="hl-6">composed</span><span class="hl-0"> </span><span class="hl-3">of</span><span class="hl-0"> </span><span class="hl-6">the</span><span class="hl-0"> </span><span class="hl-6">emitted</span><span class="hl-0"> </span><span class="hl-6">event</span><span class="hl-0"> </span><span class="hl-3">arguments</span><span class="hl-0">.</span><br/><br/><span class="hl-6">An</span><span class="hl-0"> </span><span class="hl-5">`AbortSignal`</span><span class="hl-0"> </span><span class="hl-6">can</span><span class="hl-0"> </span><span class="hl-6">be</span><span class="hl-0"> </span><span class="hl-6">used</span><span class="hl-0"> </span><span class="hl-6">to</span><span class="hl-0"> </span><span class="hl-6">cancel</span><span class="hl-0"> </span><span class="hl-6">waiting</span><span class="hl-0"> </span><span class="hl-6">on</span><span class="hl-0"> </span><span class="hl-10">events</span><span class="hl-0">:</span><br/><br/><span class="hl-5">```js</span><br/><span class="hl-5">const { on, EventEmitter } = require('events');</span><br/><span class="hl-5">const ac = new AbortController();</span><br/><br/><span class="hl-5">(async () => {</span><br/><span class="hl-5"> const ee = new EventEmitter();</span><br/><br/><span class="hl-5"> // Emit later on</span><br/><span class="hl-5"> process.nextTick(() => {</span><br/><span class="hl-5"> ee.emit('foo', 'bar');</span><br/><span class="hl-5"> ee.emit('foo', 42);</span><br/><span class="hl-5"> });</span><br/><br/><span class="hl-5"> for await (const event of on(ee, 'foo', { signal: ac.signal })) {</span><br/><span class="hl-5"> // The execution of this inner block is synchronous and it</span><br/><span class="hl-5"> // processes one event at a time (even with await). Do not use</span><br/><span class="hl-5"> // if concurrent execution is required.</span><br/><span class="hl-5"> console.log(event); // prints ['bar'] [42]</span><br/><span class="hl-5"> }</span><br/><span class="hl-5"> // Unreachable here</span><br/><span class="hl-5">})();</span><br/><br/><span class="hl-5">process.nextTick(() => ac.abort());</span>
</code></pre>
</div><dl class="tsd-comment-tags"><dt>since</dt><dd><p>v13.6.0, v12.16.0</p>
</dd></dl></div><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>emitter: <span class="tsd-signature-type">EventEmitter</span></h5></li><li><h5>eventName: <span class="tsd-signature-type">string</span></h5><div class="tsd-comment tsd-typography"><div class="lead">
<p>The name of the event being listened for</p>
</div></div></li><li><h5><span class="tsd-flag ts-flagOptional">Optional</span> options: <span class="tsd-signature-type">StaticEventEmitterOptions</span></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">AsyncIterableIterator</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">></span></h4><div><p>that iterates <code>eventName</code> events emitted by the <code>emitter</code></p>
</div></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a id="once-1" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span class="tsd-flag ts-flagStatic">Static</span> once<a href="#once-1" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><li class="tsd-signature tsd-kind-icon">once<span class="tsd-signature-symbol">(</span>emitter<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">_NodeEventTarget</span>, eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span>, options<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">StaticEventEmitterOptions</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"><</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol">></span></li><li class="tsd-signature tsd-kind-icon">once<span class="tsd-signature-symbol">(</span>emitter<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">_DOMEventTarget</span>, eventName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span>, options<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">StaticEventEmitterOptions</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"><</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol">></span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#once-1">once</a></p><ul><li>Defined in node_modules/@types/node/events.d.ts:194</li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
<p>Creates a <code>Promise</code> that is fulfilled when the <code>EventEmitter</code> emits the given
event or that is rejected if the <code>EventEmitter</code> emits <code>'error'</code> while waiting.
The <code>Promise</code> will resolve with an array of all the arguments emitted to the
given event.</p>
</div><div><p>This method is intentionally generic and works with the web platform <a href="https://dom.spec.whatwg.org/#interface-eventtarget">EventTarget</a> interface, which has no special<code>'error'</code> event
semantics and does not listen to the <code>'error'</code> event.</p>
<pre><code class="language-js"><span class="hl-3">const</span><span class="hl-0"> { </span><span class="hl-4">once</span><span class="hl-0">, </span><span class="hl-4">EventEmitter</span><span class="hl-0"> } = </span><span class="hl-2">require</span><span class="hl-0">(</span><span class="hl-5">'events'</span><span class="hl-0">);</span><br/><br/><span class="hl-3">async</span><span class="hl-0"> </span><span class="hl-3">function</span><span class="hl-0"> </span><span class="hl-2">run</span><span class="hl-0">() {</span><br/><span class="hl-0"> </span><span class="hl-3">const</span><span class="hl-0"> </span><span class="hl-4">ee</span><span class="hl-0"> = </span><span class="hl-3">new</span><span class="hl-0"> </span><span class="hl-2">EventEmitter</span><span class="hl-0">();</span><br/><br/><span class="hl-0"> </span><span class="hl-6">process</span><span class="hl-0">.</span><span class="hl-2">nextTick</span><span class="hl-0">(() </span><span class="hl-3">=></span><span class="hl-0"> {</span><br/><span class="hl-0"> </span><span class="hl-6">ee</span><span class="hl-0">.</span><span class="hl-2">emit</span><span class="hl-0">(</span><span class="hl-5">'myevent'</span><span class="hl-0">, </span><span class="hl-8">42</span><span class="hl-0">);</span><br/><span class="hl-0"> });</span><br/><br/><span class="hl-0"> </span><span class="hl-3">const</span><span class="hl-0"> [</span><span class="hl-4">value</span><span class="hl-0">] = </span><span class="hl-7">await</span><span class="hl-0"> </span><span class="hl-2">once</span><span class="hl-0">(</span><span class="hl-6">ee</span><span class="hl-0">, </span><span class="hl-5">'myevent'</span><span class="hl-0">);</span><br/><span class="hl-0"> </span><span class="hl-6">console</span><span class="hl-0">.</span><span class="hl-2">log</span><span class="hl-0">(</span><span class="hl-6">value</span><span class="hl-0">);</span><br/><br/><span class="hl-0"> </span><span class="hl-3">const</span><span class="hl-0"> </span><span class="hl-4">err</span><span class="hl-0"> = </span><span class="hl-3">new</span><span class="hl-0"> </span><span class="hl-9">Error</span><span class="hl-0">(</span><span class="hl-5">'kaboom'</span><span class="hl-0">);</span><br/><span class="hl-0"> </span><span class="hl-6">process</span><span class="hl-0">.</span><span class="hl-2">nextTick</span><span class="hl-0">(() </span><span class="hl-3">=></span><span class="hl-0"> {</span><br/><span class="hl-0"> </span><span class="hl-6">ee</span><span class="hl-0">.</span><span class="hl-2">emit</span><span class="hl-0">(</span><span class="hl-5">'error'</span><span class="hl-0">, </span><span class="hl-6">err</span><span class="hl-0">);</span><br/><span class="hl-0"> });</span><br/><br/><span class="hl-0"> </span><span class="hl-7">try</span><span class="hl-0"> {</span><br/><span class="hl-0"> </span><span class="hl-7">await</span><span class="hl-0"> </span><span class="hl-2">once</span><span class="hl-0">(</span><span class="hl-6">ee</span><span class="hl-0">, </span><span class="hl-5">'myevent'</span><span class="hl-0">);</span><br/><span class="hl-0"> } </span><span class="hl-7">catch</span><span class="hl-0"> (</span><span class="hl-6">err</span><span class="hl-0">) {</span><br/><span class="hl-0"> </span><span class="hl-6">console</span><span class="hl-0">.</span><span class="hl-2">log</span><span class="hl-0">(</span><span class="hl-5">'error happened'</span><span class="hl-0">, </span><span class="hl-6">err</span><span class="hl-0">);</span><br/><span class="hl-0"> }</span><br/><span class="hl-0">}</span><br/><br/><span class="hl-2">run</span><span class="hl-0">();</span>
</code></pre>
<p>The special handling of the <code>'error'</code> event is only used when <code>events.once()</code>is used to wait for another event. If <code>events.once()</code> is used to wait for the
'<code>error'</code> event itself, then it is treated as any other kind of event without
special handling:</p>
<pre><code class="language-js"><span class="hl-3">const</span><span class="hl-0"> { </span><span class="hl-4">EventEmitter</span><span class="hl-0">, </span><span class="hl-4">once</span><span class="hl-0"> } = </span><span class="hl-2">require</span><span class="hl-0">(</span><span class="hl-5">'events'</span><span class="hl-0">);</span><br/><br/><span class="hl-3">const</span><span class="hl-0"> </span><span class="hl-4">ee</span><span class="hl-0"> = </span><span class="hl-3">new</span><span class="hl-0"> </span><span class="hl-2">EventEmitter</span><span class="hl-0">();</span><br/><br/><span class="hl-2">once</span><span class="hl-0">(</span><span class="hl-6">ee</span><span class="hl-0">, </span><span class="hl-5">'error'</span><span class="hl-0">)</span><br/><span class="hl-0"> .</span><span class="hl-2">then</span><span class="hl-0">(([</span><span class="hl-6">err</span><span class="hl-0">]) </span><span class="hl-3">=></span><span class="hl-0"> </span><span class="hl-6">console</span><span class="hl-0">.</span><span class="hl-2">log</span><span class="hl-0">(</span><span class="hl-5">'ok'</span><span class="hl-0">, </span><span class="hl-6">err</span><span class="hl-0">.</span><span class="hl-6">message</span><span class="hl-0">))</span><br/><span class="hl-0"> .</span><span class="hl-2">catch</span><span class="hl-0">((</span><span class="hl-6">err</span><span class="hl-0">) </span><span class="hl-3">=></span><span class="hl-0"> </span><span class="hl-6">console</span><span class="hl-0">.</span><span class="hl-2">log</span><span class="hl-0">(</span><span class="hl-5">'error'</span><span class="hl-0">, </span><span class="hl-6">err</span><span class="hl-0">.</span><span class="hl-6">message</span><span class="hl-0">));</span><br/><br/><span class="hl-6">ee</span><span class="hl-0">.</span><span class="hl-2">emit</span><span class="hl-0">(</span><span class="hl-5">'error'</span><span class="hl-0">, </span><span class="hl-3">new</span><span class="hl-0"> </span><span class="hl-9">Error</span><span class="hl-0">(</span><span class="hl-5">'boom'</span><span class="hl-0">));</span><br/><br/><span class="hl-1">// Prints: ok boom</span>
</code></pre>
<p>An <code>AbortSignal</code> can be used to cancel waiting for the event:</p>
<pre><code class="language-js"><span class="hl-3">const</span><span class="hl-0"> { </span><span class="hl-4">EventEmitter</span><span class="hl-0">, </span><span class="hl-4">once</span><span class="hl-0"> } = </span><span class="hl-2">require</span><span class="hl-0">(</span><span class="hl-5">'events'</span><span class="hl-0">);</span><br/><br/><span class="hl-3">const</span><span class="hl-0"> </span><span class="hl-4">ee</span><span class="hl-0"> = </span><span class="hl-3">new</span><span class="hl-0"> </span><span class="hl-2">EventEmitter</span><span class="hl-0">();</span><br/><span class="hl-3">const</span><span class="hl-0"> </span><span class="hl-4">ac</span><span class="hl-0"> = </span><span class="hl-3">new</span><span class="hl-0"> </span><span class="hl-2">AbortController</span><span class="hl-0">();</span><br/><br/><span class="hl-3">async</span><span class="hl-0"> </span><span class="hl-3">function</span><span class="hl-0"> </span><span class="hl-2">foo</span><span class="hl-0">(</span><span class="hl-6">emitter</span><span class="hl-0">, </span><span class="hl-6">event</span><span class="hl-0">, </span><span class="hl-6">signal</span><span class="hl-0">) {</span><br/><span class="hl-0"> </span><span class="hl-7">try</span><span class="hl-0"> {</span><br/><span class="hl-0"> </span><span class="hl-7">await</span><span class="hl-0"> </span><span class="hl-2">once</span><span class="hl-0">(</span><span class="hl-6">emitter</span><span class="hl-0">, </span><span class="hl-6">event</span><span class="hl-0">, { </span><span class="hl-6">signal</span><span class="hl-0"> });</span><br/><span class="hl-0"> </span><span class="hl-6">console</span><span class="hl-0">.</span><span class="hl-2">log</span><span class="hl-0">(</span><span class="hl-5">'event emitted!'</span><span class="hl-0">);</span><br/><span class="hl-0"> } </span><span class="hl-7">catch</span><span class="hl-0"> (</span><span class="hl-6">error</span><span class="hl-0">) {</span><br/><span class="hl-0"> </span><span class="hl-7">if</span><span class="hl-0"> (</span><span class="hl-6">error</span><span class="hl-0">.</span><span class="hl-6">name</span><span class="hl-0"> === </span><span class="hl-5">'AbortError'</span><span class="hl-0">) {</span><br/><span class="hl-0"> </span><span class="hl-6">console</span><span class="hl-0">.</span><span class="hl-2">error</span><span class="hl-0">(</span><span class="hl-5">'Waiting for the event was canceled!'</span><span class="hl-0">);</span><br/><span class="hl-0"> } </span><span class="hl-7">else</span><span class="hl-0"> {</span><br/><span class="hl-0"> </span><span class="hl-6">console</span><span class="hl-0">.</span><span class="hl-2">error</span><span class="hl-0">(</span><span class="hl-5">'There was an error'</span><span class="hl-0">, </span><span class="hl-6">error</span><span class="hl-0">.</span><span class="hl-6">message</span><span class="hl-0">);</span><br/><span class="hl-0"> }</span><br/><span class="hl-0"> }</span><br/><span class="hl-0">}</span><br/><br/><span class="hl-2">foo</span><span class="hl-0">(</span><span class="hl-6">ee</span><span class="hl-0">, </span><span class="hl-5">'foo'</span><span class="hl-0">, </span><span class="hl-6">ac</span><span class="hl-0">.</span><span class="hl-6">signal</span><span class="hl-0">);</span><br/><span class="hl-6">ac</span><span class="hl-0">.</span><span class="hl-2">abort</span><span class="hl-0">(); </span><span class="hl-1">// Abort waiting for the event</span><br/><span class="hl-6">ee</span><span class="hl-0">.</span><span class="hl-2">emit</span><span class="hl-0">(</span><span class="hl-5">'foo'</span><span class="hl-0">); </span><span class="hl-1">// Prints: Waiting for the event was canceled!</span>
</code></pre>
</div><dl class="tsd-comment-tags"><dt>since</dt><dd><p>v11.13.0, v10.16.0</p>
</dd></dl></div><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>emitter: <span class="tsd-signature-type">_NodeEventTarget</span></h5></li><li><h5>eventName: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">symbol</span></h5></li><li><h5><span class="tsd-flag ts-flagOptional">Optional</span> options: <span class="tsd-signature-type">StaticEventEmitterOptions</span></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol">></span></h4></li><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#once-1">once</a></p><ul><li>Defined in node_modules/@types/node/events.d.ts:195</li></ul></aside><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>emitter: <span class="tsd-signature-type">_DOMEventTarget</span></h5></li><li><h5>eventName: <span class="tsd-signature-type">string</span></h5></li><li><h5><span class="tsd-flag ts-flagOptional">Optional</span> options: <span class="tsd-signature-type">StaticEventEmitterOptions</span></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol">></span></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a id="setMaxListeners-1" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span class="tsd-flag ts-flagStatic">Static</span> set<wbr/>Max<wbr/>Listeners<a href="#setMaxListeners-1" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/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"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><li class="tsd-signature tsd-kind-icon">set<wbr/>Max<wbr/>Listeners<span class="tsd-signature-symbol">(</span>n<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">number</span>, <span class="tsd-signature-symbol">...</span>eventTargets<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-type">EventEmitter</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">_DOMEventTarget</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-signature-type">void</span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><p>Inherited from <a href="TypedEventEmitter.html">TypedEventEmitter</a>.<a href="TypedEventEmitter.html#setMaxListeners-1">setMaxListeners</a></p><ul><li>Defined in node_modules/@types/node/events.d.ts:317</li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
<pre><code class="language-js"><span class="hl-3">const</span><span class="hl-0"> {</span><br/><span class="hl-0"> </span><span class="hl-4">setMaxListeners</span><span class="hl-0">,</span><br/><span class="hl-0"> </span><span class="hl-4">EventEmitter</span><br/><span class="hl-0">} = </span><span class="hl-2">require</span><span class="hl-0">(</span><span class="hl-5">'events'</span><span class="hl-0">);</span>
</code></pre>
</div><div><p>const target = new EventTarget();
const emitter = new EventEmitter();</p>
<p>setMaxListeners(5, target, emitter);
```</p>
</div><dl class="tsd-comment-tags"><dt>since</dt><dd><p>v15.4.0</p>
</dd></dl></div><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5><span class="tsd-flag ts-flagOptional">Optional</span> n: <span class="tsd-signature-type">number</span></h5><div class="tsd-comment tsd-typography"><div class="lead">
<p>A non-negative number. The maximum number of listeners per <code>EventTarget</code> event.</p>
</div></div></li><li><h5><span class="tsd-flag ts-flagRest">Rest</span> <span class="tsd-signature-symbol">...</span>eventTargets: <span class="tsd-signature-symbol">(</span><span class="tsd-signature-type">EventEmitter</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">_DOMEventTarget</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">[]</span></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></section></section></div><div class="col-4 col-menu menu-sticky-wrap menu-highlight"><nav class="tsd-navigation primary"><ul><li class=""><a href="../modules.html">Exports</a></li><li class="label tsd-is-external"><span>Internals</span></li><li class="label tsd-is-external"><span>Externals</span></li><li class=" tsd-kind-namespace tsd-is-external"><a href="../modules/BSON.html">BSON</a></li></ul></nav><nav class="tsd-navigation secondary menu-sticky"><ul><li class="current tsd-kind-class"><a href="MongoClient.html" class="tsd-kind-icon">Mongo<wbr/>Client</a><ul><li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-overwrite"><a href="MongoClient.html#constructor" class="tsd-kind-icon">constructor</a></li><li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#captureRejectionSymbol" class="tsd-kind-icon">capture<wbr/>Rejection<wbr/>Symbol</a></li><li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#captureRejections" class="tsd-kind-icon">capture<wbr/>Rejections</a></li><li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#defaultMaxListeners" class="tsd-kind-icon">default<wbr/>Max<wbr/>Listeners</a></li><li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#errorMonitor" class="tsd-kind-icon">error<wbr/>Monitor</a></li><li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="MongoClient.html#autoEncrypter" class="tsd-kind-icon">auto<wbr/>Encrypter</a></li><li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="MongoClient.html#bsonOptions" class="tsd-kind-icon">bson<wbr/>Options</a></li><li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="MongoClient.html#options" class="tsd-kind-icon">options</a></li><li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="MongoClient.html#readConcern" class="tsd-kind-icon">read<wbr/>Concern</a></li><li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="MongoClient.html#readPreference" class="tsd-kind-icon">read<wbr/>Preference</a></li><li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="MongoClient.html#serverApi" class="tsd-kind-icon">server<wbr/>Api</a></li><li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="MongoClient.html#writeConcern" class="tsd-kind-icon">write<wbr/>Concern</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#addListener" class="tsd-kind-icon">add<wbr/>Listener</a></li><li class="tsd-kind-method tsd-parent-kind-class"><a href="MongoClient.html#close" class="tsd-kind-icon">close</a></li><li class="tsd-kind-method tsd-parent-kind-class"><a href="MongoClient.html#connect" class="tsd-kind-icon">connect</a></li><li class="tsd-kind-method tsd-parent-kind-class"><a href="MongoClient.html#db" class="tsd-kind-icon">db</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#emit" class="tsd-kind-icon">emit</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="MongoClient.html#eventNames" class="tsd-kind-icon">event<wbr/>Names</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="MongoClient.html#getMaxListeners" class="tsd-kind-icon">get<wbr/>Max<wbr/>Listeners</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#listenerCount" class="tsd-kind-icon">listener<wbr/>Count</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#listeners" class="tsd-kind-icon">listeners</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#off" class="tsd-kind-icon">off</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#on" class="tsd-kind-icon">on</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#once" class="tsd-kind-icon">once</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#prependListener" class="tsd-kind-icon">prepend<wbr/>Listener</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#prependOnceListener" class="tsd-kind-icon">prepend<wbr/>Once<wbr/>Listener</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#rawListeners" class="tsd-kind-icon">raw<wbr/>Listeners</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#removeAllListeners" class="tsd-kind-icon">remove<wbr/>All<wbr/>Listeners</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="MongoClient.html#removeListener" class="tsd-kind-icon">remove<wbr/>Listener</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="MongoClient.html#setMaxListeners" class="tsd-kind-icon">set<wbr/>Max<wbr/>Listeners</a></li><li class="tsd-kind-method tsd-parent-kind-class"><a href="MongoClient.html#startSession" class="tsd-kind-icon">start<wbr/>Session</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter"><a href="MongoClient.html#watch" class="tsd-kind-icon">watch</a></li><li class="tsd-kind-method tsd-parent-kind-class"><a href="MongoClient.html#withSession" class="tsd-kind-icon">with<wbr/>Session</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><a href="MongoClient.html#connect-1" class="tsd-kind-icon">connect</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#getEventListeners" class="tsd-kind-icon">get<wbr/>Event<wbr/>Listeners</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#listenerCount-1" class="tsd-kind-icon">listener<wbr/>Count</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#on-1" class="tsd-kind-icon">on</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#once-1" class="tsd-kind-icon">once</a></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="MongoClient.html#setMaxListeners-1" class="tsd-kind-icon">set<wbr/>Max<wbr/>Listeners</a></li></ul></li></ul></nav></div></div></div><footer class="with-border-bottom"><div class="container"><h2>Legend</h2><div class="tsd-legend-group"><ul class="tsd-legend"><li class="tsd-kind-constructor tsd-parent-kind-class"><span class="tsd-kind-icon">Constructor</span></li><li class="tsd-kind-property tsd-parent-kind-class"><span class="tsd-kind-icon">Property</span></li><li class="tsd-kind-method tsd-parent-kind-class"><span class="tsd-kind-icon">Method</span></li><li class="tsd-kind-accessor tsd-parent-kind-class"><span class="tsd-kind-icon">Accessor</span></li></ul><ul class="tsd-legend"><li class="tsd-kind-constructor tsd-parent-kind-interface"><span class="tsd-kind-icon">Constructor</span></li><li class="tsd-kind-property tsd-parent-kind-interface"><span class="tsd-kind-icon">Property</span></li><li class="tsd-kind-method tsd-parent-kind-interface"><span class="tsd-kind-icon">Method</span></li></ul><ul class="tsd-legend"><li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited constructor</span></li><li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited property</span></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited method</span></li></ul><ul class="tsd-legend"><li class="tsd-kind-property tsd-parent-kind-class tsd-is-static"><span class="tsd-kind-icon">Static property</span></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><span class="tsd-kind-icon">Static method</span></li></ul><ul class="tsd-legend"><li class="tsd-kind-property tsd-parent-kind-class tsd-is-private"><span class="tsd-kind-icon">Private property</span></li></ul></div><h2>Settings</h2><p>Theme <select id="theme"><option value="os">OS</option><option value="light">Light</option><option value="dark">Dark</option></select></p></div></footer><div class="container tsd-generator"><p>Generated using <a href="https://typedoc.org/" target="_blank">TypeDoc</a></p></div><div class="overlay"></div><script src="../assets/main.js"></script></body></html>