26 lines
29 KiB
HTML
26 lines
29 KiB
HTML
<!DOCTYPE html><html class="default"><head><meta charSet="utf-8"/><meta http-equiv="x-ua-compatible" content="IE=edge"/><title>Tracer | OpenTelemetry SDK</title><meta name="description" content="Documentation for OpenTelemetry SDK"/><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">OpenTelemetry SDK</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="../index.html">OpenTelemetry SDK</a></li><li><a href="../modules/_opentelemetry_api.html">@opentelemetry/api</a></li><li><a href="_opentelemetry_api.Tracer.html">Tracer</a></li></ul><h1>Interface Tracer </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">
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<p>Tracer provides an interface for creating <a href="_opentelemetry_api.Span.html">Span</a>s.</p>
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</div><dl class="tsd-comment-tags"><dt>since</dt><dd><p>1.0.0</p>
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</dd></dl></div></section><section class="tsd-panel tsd-hierarchy"><h3>Hierarchy</h3><ul class="tsd-hierarchy"><li><span class="target">Tracer</span></li></ul></section><section class="tsd-panel"><h3>Implemented by</h3><ul class="tsd-hierarchy"><li><a href="../classes/_opentelemetry_api.ProxyTracer.html" class="tsd-signature-type" data-tsd-kind="Class">ProxyTracer</a></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>Methods</h3><ul class="tsd-index-list"><li class="tsd-kind-method tsd-parent-kind-interface tsd-has-type-parameter"><a href="_opentelemetry_api.Tracer.html#startActiveSpan" class="tsd-kind-icon">start<wbr/>Active<wbr/>Span</a></li><li class="tsd-kind-method tsd-parent-kind-interface"><a href="_opentelemetry_api.Tracer.html#startSpan" class="tsd-kind-icon">start<wbr/>Span</a></li></ul></section></div></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-interface tsd-has-type-parameter"><a id="startActiveSpan" class="tsd-anchor"></a><h3 class="tsd-anchor-link">start<wbr/>Active<wbr/>Span<a href="#startActiveSpan" 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-interface tsd-has-type-parameter"><li class="tsd-signature tsd-kind-icon">start<wbr/>Active<wbr/>Span<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">F</span><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span>name<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span>, fn<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">F</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">ReturnType</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">F</span><span class="tsd-signature-symbol">></span></li><li class="tsd-signature tsd-kind-icon">start<wbr/>Active<wbr/>Span<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">F</span><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span>name<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span>, options<span class="tsd-signature-symbol">: </span><a href="_opentelemetry_api.SpanOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">SpanOptions</a>, fn<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">F</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">ReturnType</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">F</span><span class="tsd-signature-symbol">></span></li><li class="tsd-signature tsd-kind-icon">start<wbr/>Active<wbr/>Span<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">F</span><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span>name<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span>, options<span class="tsd-signature-symbol">: </span><a href="_opentelemetry_api.SpanOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">SpanOptions</a>, context<span class="tsd-signature-symbol">: </span><a href="_opentelemetry_api.Context.html" class="tsd-signature-type" data-tsd-kind="Interface">Context</a>, fn<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">F</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">ReturnType</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">F</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/open-telemetry/opentelemetry-js/blob/e97cc2e/api/src/trace/tracer.ts#L87">api/src/trace/tracer.ts:87</a></li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
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<p>Starts a new <a href="_opentelemetry_api.Span.html">Span</a> and calls the given function passing it the
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created span as first argument.
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Additionally the new span gets set in context and this context is activated
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for the duration of the function call.</p>
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</div><dl class="tsd-comment-tags"><dt>example</dt><dd><pre><code><span class="hl-0">const</span><span class="hl-1"> </span><span class="hl-2">something</span><span class="hl-1"> = </span><span class="hl-3">tracer</span><span class="hl-1">.</span><span class="hl-4">startActiveSpan</span><span class="hl-1">(</span><span class="hl-5">'op'</span><span class="hl-1">, </span><span class="hl-3">span</span><span class="hl-1"> </span><span class="hl-0">=></span><span class="hl-1"> {</span><br/><span class="hl-1"> </span><span class="hl-6">try</span><span class="hl-1"> {</span><br/><span class="hl-1"> </span><span class="hl-6">do</span><span class="hl-1"> </span><span class="hl-3">some</span><span class="hl-1"> </span><span class="hl-3">work</span><br/><span class="hl-1"> </span><span class="hl-3">span</span><span class="hl-1">.</span><span class="hl-4">setStatus</span><span class="hl-1">({</span><span class="hl-3">code:</span><span class="hl-1"> </span><span class="hl-3">SpanStatusCode</span><span class="hl-1">.</span><span class="hl-2">OK</span><span class="hl-1">});</span><br/><span class="hl-1"> </span><span class="hl-6">return</span><span class="hl-1"> </span><span class="hl-3">something</span><span class="hl-1">;</span><br/><span class="hl-1"> } </span><span class="hl-6">catch</span><span class="hl-1"> (</span><span class="hl-3">err</span><span class="hl-1">) {</span><br/><span class="hl-1"> </span><span class="hl-3">span</span><span class="hl-1">.</span><span class="hl-4">setStatus</span><span class="hl-1">({</span><br/><span class="hl-1"> </span><span class="hl-3">code:</span><span class="hl-1"> </span><span class="hl-3">SpanStatusCode</span><span class="hl-1">.</span><span class="hl-2">ERROR</span><span class="hl-1">,</span><br/><span class="hl-1"> </span><span class="hl-3">message:</span><span class="hl-1"> </span><span class="hl-3">err</span><span class="hl-1">.</span><span class="hl-3">message</span><span class="hl-1">,</span><br/><span class="hl-1"> });</span><br/><span class="hl-1"> </span><span class="hl-6">throw</span><span class="hl-1"> </span><span class="hl-3">err</span><span class="hl-1">;</span><br/><span class="hl-1"> } </span><span class="hl-6">finally</span><span class="hl-1"> {</span><br/><span class="hl-1"> </span><span class="hl-3">span</span><span class="hl-1">.</span><span class="hl-4">end</span><span class="hl-1">();</span><br/><span class="hl-1"> }</span><br/><span class="hl-1">});</span>
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</code></pre>
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</dd><dt>example</dt><dd><pre><code><span class="hl-0">const</span><span class="hl-1"> </span><span class="hl-2">span</span><span class="hl-1"> = </span><span class="hl-3">tracer</span><span class="hl-1">.</span><span class="hl-4">startActiveSpan</span><span class="hl-1">(</span><span class="hl-5">'op'</span><span class="hl-1">, </span><span class="hl-3">span</span><span class="hl-1"> </span><span class="hl-0">=></span><span class="hl-1"> {</span><br/><span class="hl-1"> </span><span class="hl-6">try</span><span class="hl-1"> {</span><br/><span class="hl-1"> </span><span class="hl-6">do</span><span class="hl-1"> </span><span class="hl-3">some</span><span class="hl-1"> </span><span class="hl-3">work</span><br/><span class="hl-1"> </span><span class="hl-6">return</span><span class="hl-1"> </span><span class="hl-3">span</span><span class="hl-1">;</span><br/><span class="hl-1"> } </span><span class="hl-6">catch</span><span class="hl-1"> (</span><span class="hl-3">err</span><span class="hl-1">) {</span><br/><span class="hl-1"> </span><span class="hl-3">span</span><span class="hl-1">.</span><span class="hl-4">setStatus</span><span class="hl-1">({</span><br/><span class="hl-1"> </span><span class="hl-3">code:</span><span class="hl-1"> </span><span class="hl-3">SpanStatusCode</span><span class="hl-1">.</span><span class="hl-2">ERROR</span><span class="hl-1">,</span><br/><span class="hl-1"> </span><span class="hl-3">message:</span><span class="hl-1"> </span><span class="hl-3">err</span><span class="hl-1">.</span><span class="hl-3">message</span><span class="hl-1">,</span><br/><span class="hl-1"> });</span><br/><span class="hl-1"> </span><span class="hl-6">throw</span><span class="hl-1"> </span><span class="hl-3">err</span><span class="hl-1">;</span><br/><span class="hl-1"> }</span><br/><span class="hl-1">});</span><br/><span class="hl-6">do</span><span class="hl-1"> </span><span class="hl-3">some</span><span class="hl-1"> </span><span class="hl-3">more</span><span class="hl-1"> </span><span class="hl-3">work</span><br/><span class="hl-3">span</span><span class="hl-1">.</span><span class="hl-4">end</span><span class="hl-1">();</span>
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</code></pre>
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</dd></dl></div><h4 class="tsd-type-parameters-title">Type Parameters</h4><ul class="tsd-type-parameters"><li><h4>F<span class="tsd-signature-symbol"> extends </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span>span<span class="tsd-signature-symbol">: </span><a href="_opentelemetry_api.Span.html" class="tsd-signature-type" data-tsd-kind="Interface">Span</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> => </span><span class="tsd-signature-type">unknown</span><span class="tsd-signature-symbol">)</span></h4></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>name: <span class="tsd-signature-type">string</span></h5><div class="tsd-comment tsd-typography"><div class="lead">
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<p>The name of the span</p>
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</div></div></li><li><h5>fn: <span class="tsd-signature-type" data-tsd-kind="Type parameter">F</span></h5><div class="tsd-comment tsd-typography"><div class="lead">
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<p>function called in the context of the span and receives the newly created span as an argument</p>
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</div></div></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type" data-tsd-kind="Type parameter">ReturnType</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">F</span><span class="tsd-signature-symbol">></span></h4><div><p>return value of fn</p>
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</div></li><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/open-telemetry/opentelemetry-js/blob/e97cc2e/api/src/trace/tracer.ts#L91">api/src/trace/tracer.ts:91</a></li></ul></aside><h4 class="tsd-type-parameters-title">Type Parameters</h4><ul class="tsd-type-parameters"><li><h4>F<span class="tsd-signature-symbol"> extends </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span>span<span class="tsd-signature-symbol">: </span><a href="_opentelemetry_api.Span.html" class="tsd-signature-type" data-tsd-kind="Interface">Span</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> => </span><span class="tsd-signature-type">unknown</span><span class="tsd-signature-symbol">)</span></h4></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>name: <span class="tsd-signature-type">string</span></h5></li><li><h5>options: <a href="_opentelemetry_api.SpanOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">SpanOptions</a></h5></li><li><h5>fn: <span class="tsd-signature-type" data-tsd-kind="Type parameter">F</span></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type" data-tsd-kind="Type parameter">ReturnType</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">F</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/open-telemetry/opentelemetry-js/blob/e97cc2e/api/src/trace/tracer.ts#L96">api/src/trace/tracer.ts:96</a></li></ul></aside><h4 class="tsd-type-parameters-title">Type Parameters</h4><ul class="tsd-type-parameters"><li><h4>F<span class="tsd-signature-symbol"> extends </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span>span<span class="tsd-signature-symbol">: </span><a href="_opentelemetry_api.Span.html" class="tsd-signature-type" data-tsd-kind="Interface">Span</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> => </span><span class="tsd-signature-type">unknown</span><span class="tsd-signature-symbol">)</span></h4></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>name: <span class="tsd-signature-type">string</span></h5></li><li><h5>options: <a href="_opentelemetry_api.SpanOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">SpanOptions</a></h5></li><li><h5>context: <a href="_opentelemetry_api.Context.html" class="tsd-signature-type" data-tsd-kind="Interface">Context</a></h5></li><li><h5>fn: <span class="tsd-signature-type" data-tsd-kind="Type parameter">F</span></h5></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type" data-tsd-kind="Type parameter">ReturnType</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">F</span><span class="tsd-signature-symbol">></span></h4></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-interface"><a id="startSpan" class="tsd-anchor"></a><h3 class="tsd-anchor-link">start<wbr/>Span<a href="#startSpan" 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-interface"><li class="tsd-signature tsd-kind-icon">start<wbr/>Span<span class="tsd-signature-symbol">(</span>name<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span>, options<span class="tsd-signature-symbol">?: </span><a href="_opentelemetry_api.SpanOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">SpanOptions</a>, context<span class="tsd-signature-symbol">?: </span><a href="_opentelemetry_api.Context.html" class="tsd-signature-type" data-tsd-kind="Interface">Context</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="_opentelemetry_api.Span.html" class="tsd-signature-type" data-tsd-kind="Interface">Span</a></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/open-telemetry/opentelemetry-js/blob/e97cc2e/api/src/trace/tracer.ts#L41">api/src/trace/tracer.ts:41</a></li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
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<p>Starts a new <a href="_opentelemetry_api.Span.html">Span</a>. Start the span without setting it on context.</p>
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</div><div><p>This method do NOT modify the current Context.</p>
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</div><dl class="tsd-comment-tags"><dt>example</dt><dd><pre><code><span class="hl-0">const</span><span class="hl-1"> </span><span class="hl-2">span</span><span class="hl-1"> = </span><span class="hl-3">tracer</span><span class="hl-1">.</span><span class="hl-4">startSpan</span><span class="hl-1">(</span><span class="hl-5">'op'</span><span class="hl-1">);</span><br/><span class="hl-3">span</span><span class="hl-1">.</span><span class="hl-4">setAttribute</span><span class="hl-1">(</span><span class="hl-5">'key'</span><span class="hl-1">, </span><span class="hl-5">'value'</span><span class="hl-1">);</span><br/><span class="hl-3">span</span><span class="hl-1">.</span><span class="hl-4">end</span><span class="hl-1">();</span>
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</code></pre>
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</dd></dl></div><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>name: <span class="tsd-signature-type">string</span></h5><div class="tsd-comment tsd-typography"><div class="lead">
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<p>The name of the span</p>
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</div></div></li><li><h5><span class="tsd-flag ts-flagOptional">Optional</span> options: <a href="_opentelemetry_api.SpanOptions.html" class="tsd-signature-type" data-tsd-kind="Interface">SpanOptions</a></h5></li><li><h5><span class="tsd-flag ts-flagOptional">Optional</span> context: <a href="_opentelemetry_api.Context.html" class="tsd-signature-type" data-tsd-kind="Interface">Context</a></h5></li></ul><h4 class="tsd-returns-title">Returns <a href="_opentelemetry_api.Span.html" class="tsd-signature-type" data-tsd-kind="Interface">Span</a></h4><div><p>Span The newly created span</p>
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</div></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="../index.html">Modules</a></li><li class="current tsd-kind-module"><a href="../modules/_opentelemetry_api.html">@opentelemetry/api</a><ul><li class=" tsd-kind-module tsd-parent-kind-module"><a href="../modules/_opentelemetry_api._internal_.html"><internal></a></li></ul></li><li class=" tsd-kind-module"><a href="../modules/_opentelemetry_api_events.html">@opentelemetry/api-<wbr/>events</a></li><li class=" tsd-kind-module"><a href="../modules/_opentelemetry_api_logs.html">@opentelemetry/api-<wbr/>logs</a></li><li class=" tsd-kind-module"><a href="../modules/_opentelemetry_context_async_hooks.html">@opentelemetry/context-<wbr/>async-<wbr/>hooks</a></li><li class=" tsd-kind-module"><a href="../modules/_opentelemetry_context_zone.html">@opentelemetry/context-<wbr/>zone</a></li><li class=" tsd-kind-module"><a href="../modules/_opentelemetry_context_zone_peer_dep.html">@opentelemetry/context-<wbr/>zone-<wbr/>peer-<wbr/>dep</a></li><li class=" tsd-kind-module"><a href="../modules/_opentelemetry_core.html">@opentelemetry/core</a></li><li class=" tsd-kind-module"><a href="../modules/_opentelemetry_exporter_jaeger.html">@opentelemetry/exporter-<wbr/>jaeger</a></li><li class=" tsd-kind-module"><a href="../modules/_opentelemetry_exporter_logs_otlp_grpc.html">@opentelemetry/exporter-<wbr/>logs-<wbr/>otlp-<wbr/>grpc</a></li><li class=" tsd-kind-module"><a href="../modules/_opentelemetry_exporter_logs_otlp_http.html">@opentelemetry/exporter-<wbr/>logs-<wbr/>otlp-<wbr/>http</a></li><li class=" tsd-kind-module"><a href="../modules/_opentelemetry_exporter_logs_otlp_proto.html">@opentelemetry/exporter-<wbr/>logs-<wbr/>otlp-<wbr/>proto</a></li><li class=" tsd-kind-module"><a 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