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Log.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Log Class Reference</title>
<link rel="stylesheet" type="text/css" href="../css/jazzy.css" />
<link rel="stylesheet" type="text/css" href="../css/highlight.css" />
<meta charset="utf-8">
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<script src="../js/typeahead.jquery.js" defer></script>
<script src="../js/jazzy.search.js" defer></script>
</head>
<body>
<a name="//apple_ref/swift/Class/Log" class="dashAnchor"></a>
<a title="Log Class Reference"></a>
<header class="header">
<p class="header-col header-col--primary">
<a class="header-link" href="../index.html">
LoggerAPI Docs
</a>
(100% documented)
</p>
<p class="header-col--secondary">
<form role="search" action="../search.json">
<input type="text" placeholder="Search documentation" data-typeahead>
</form>
</p>
<p class="header-col header-col--secondary">
<a class="header-link" href="https://github.com/IBM-Swift/LoggerAPI/">
<img class="header-icon" src="../img/gh.png"/>
View on GitHub
</a>
</p>
</header>
<p class="breadcrumbs">
<a class="breadcrumb" href="../index.html">LoggerAPI Reference</a>
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Log Class Reference
</p>
<div class="content-wrapper">
<nav class="navigation">
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<a class="nav-group-name-link" href="../Classes.html">Classes</a>
<ul class="nav-group-tasks">
<li class="nav-group-task">
<a class="nav-group-task-link" href="../Classes/Log.html">Log</a>
</li>
</ul>
</li>
<li class="nav-group-name">
<a class="nav-group-name-link" href="../Enums.html">Enumerations</a>
<ul class="nav-group-tasks">
<li class="nav-group-task">
<a class="nav-group-task-link" href="../Enums/LoggerMessageType.html">LoggerMessageType</a>
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</li>
</ul>
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</ul>
</nav>
<article class="main-content">
<section class="section">
<div class="section-content">
<h1>Log</h1>
<div class="declaration">
<div class="language">
<pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">class</span> <span class="kt">Log</span></code></pre>
</div>
</div>
<p>A class of static members used by anyone who wants to log messages.</p>
</div>
</section>
<section class="section">
<div class="section-content">
<div class="task-group">
<ul class="item-container">
<li class="item">
<div>
<code>
<a name="/s:9LoggerAPI3LogC6loggerAA0A0_pSgvpZ"></a>
<a name="//apple_ref/swift/Variable/logger" class="dashAnchor"></a>
<a class="token" href="#/s:9LoggerAPI3LogC6loggerAA0A0_pSgvpZ">logger</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>An instance of the logger. It should usually be the one and only reference
of the <code><a href="../Protocols/Logger.html">Logger</a></code> protocol implementation in the system.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">static</span> <span class="k">var</span> <span class="nv">logger</span><span class="p">:</span> <span class="kt"><a href="../Protocols/Logger.html">Logger</a></span><span class="p">?</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:9LoggerAPI3LogC7verboseySSyXK_SS12functionNameSi7lineNumSS04fileF0tFZ"></a>
<a name="//apple_ref/swift/Method/verbose(_:functionName:lineNum:fileName:)" class="dashAnchor"></a>
<a class="token" href="#/s:9LoggerAPI3LogC7verboseySSyXK_SS12functionNameSi7lineNumSS04fileF0tFZ">verbose(_:functionName:lineNum:fileName:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Log a message for use when in verbose logging mode.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">static</span> <span class="kd">func</span> <span class="nf">verbose</span><span class="p">(</span><span class="n">_</span> <span class="nv">msg</span><span class="p">:</span> <span class="kd">@autoclosure</span> <span class="p">()</span> <span class="o">-></span> <span class="kt">String</span><span class="p">,</span> <span class="nv">functionName</span><span class="p">:</span> <span class="kt">String</span> <span class="o">=</span> <span class="kd">#function</span><span class="p">,</span>
<span class="nv">lineNum</span><span class="p">:</span> <span class="kt">Int</span> <span class="o">=</span> <span class="kd">#line</span><span class="p">,</span> <span class="nv">fileName</span><span class="p">:</span> <span class="kt">String</span> <span class="o">=</span> <span class="kd">#file</span> <span class="p">)</span></code></pre>
</div>
</div>
<div>
<h4>Parameters</h4>
<table class="graybox">
<tbody>
<tr>
<td>
<code>
<em>msg</em>
</code>
</td>
<td>
<div>
<p>The message to be logged.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>functionName</em>
</code>
</td>
<td>
<div>
<p>The name of the function invoking the logger API.
Defaults to the name of the function invoking
this function.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>lineNum</em>
</code>
</td>
<td>
<div>
<p>The line in the source code of the function invoking the
logger API. Defaults to the line of the
function invoking this function.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>fileName</em>
</code>
</td>
<td>
<div>
<p>The file containing the source code of the function invoking the
logger API. Defaults to the name of the file containing the function
which invokes this function.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:9LoggerAPI3LogC4infoySSyXK_SS12functionNameSi7lineNumSS04fileF0tFZ"></a>
<a name="//apple_ref/swift/Method/info(_:functionName:lineNum:fileName:)" class="dashAnchor"></a>
<a class="token" href="#/s:9LoggerAPI3LogC4infoySSyXK_SS12functionNameSi7lineNumSS04fileF0tFZ">info(_:functionName:lineNum:fileName:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Log an informational message.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">class</span> <span class="kd">func</span> <span class="nf">info</span><span class="p">(</span><span class="n">_</span> <span class="nv">msg</span><span class="p">:</span> <span class="kd">@autoclosure</span> <span class="p">()</span> <span class="o">-></span> <span class="kt">String</span><span class="p">,</span> <span class="nv">functionName</span><span class="p">:</span> <span class="kt">String</span> <span class="o">=</span> <span class="kd">#function</span><span class="p">,</span>
<span class="nv">lineNum</span><span class="p">:</span> <span class="kt">Int</span> <span class="o">=</span> <span class="kd">#line</span><span class="p">,</span> <span class="nv">fileName</span><span class="p">:</span> <span class="kt">String</span> <span class="o">=</span> <span class="kd">#file</span><span class="p">)</span></code></pre>
</div>
</div>
<div>
<h4>Parameters</h4>
<table class="graybox">
<tbody>
<tr>
<td>
<code>
<em>msg</em>
</code>
</td>
<td>
<div>
<p>The message to be logged.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>functionName</em>
</code>
</td>
<td>
<div>
<p>The name of the function invoking the logger API.
Defaults to the name of the function invoking
this function.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>lineNum</em>
</code>
</td>
<td>
<div>
<p>The line in the source code of the function invoking the
logger API. Defaults to the line of the
function invoking this function.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>fileName</em>
</code>
</td>
<td>
<div>
<p>The file containing the source code of the function invoking the
logger API. Defaults to the name of the file containing the function
which invokes this function.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:9LoggerAPI3LogC7warningySSyXK_SS12functionNameSi7lineNumSS04fileF0tFZ"></a>
<a name="//apple_ref/swift/Method/warning(_:functionName:lineNum:fileName:)" class="dashAnchor"></a>
<a class="token" href="#/s:9LoggerAPI3LogC7warningySSyXK_SS12functionNameSi7lineNumSS04fileF0tFZ">warning(_:functionName:lineNum:fileName:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Log a warning message.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">class</span> <span class="kd">func</span> <span class="nf">warning</span><span class="p">(</span><span class="n">_</span> <span class="nv">msg</span><span class="p">:</span> <span class="kd">@autoclosure</span> <span class="p">()</span> <span class="o">-></span> <span class="kt">String</span><span class="p">,</span> <span class="nv">functionName</span><span class="p">:</span> <span class="kt">String</span> <span class="o">=</span> <span class="kd">#function</span><span class="p">,</span>
<span class="nv">lineNum</span><span class="p">:</span> <span class="kt">Int</span> <span class="o">=</span> <span class="kd">#line</span><span class="p">,</span> <span class="nv">fileName</span><span class="p">:</span> <span class="kt">String</span> <span class="o">=</span> <span class="kd">#file</span><span class="p">)</span></code></pre>
</div>
</div>
<div>
<h4>Parameters</h4>
<table class="graybox">
<tbody>
<tr>
<td>
<code>
<em>msg</em>
</code>
</td>
<td>
<div>
<p>The message to be logged.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>functionName</em>
</code>
</td>
<td>
<div>
<p>The name of the function invoking the logger API.
Defaults to the name of the function invoking
this function.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>lineNum</em>
</code>
</td>
<td>
<div>
<p>The line in the source code of the function invoking the
logger API. Defaults to the line of the
function invoking this function.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>fileName</em>
</code>
</td>
<td>
<div>
<p>The file containing the source code of the function invoking the
logger API. Defaults to the name of the file containing the function
which invokes this function.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:9LoggerAPI3LogC5errorySSyXK_SS12functionNameSi7lineNumSS04fileF0tFZ"></a>
<a name="//apple_ref/swift/Method/error(_:functionName:lineNum:fileName:)" class="dashAnchor"></a>
<a class="token" href="#/s:9LoggerAPI3LogC5errorySSyXK_SS12functionNameSi7lineNumSS04fileF0tFZ">error(_:functionName:lineNum:fileName:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Log an error message.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">class</span> <span class="kd">func</span> <span class="nf">error</span><span class="p">(</span><span class="n">_</span> <span class="nv">msg</span><span class="p">:</span> <span class="kd">@autoclosure</span> <span class="p">()</span> <span class="o">-></span> <span class="kt">String</span><span class="p">,</span> <span class="nv">functionName</span><span class="p">:</span> <span class="kt">String</span> <span class="o">=</span> <span class="kd">#function</span><span class="p">,</span>
<span class="nv">lineNum</span><span class="p">:</span> <span class="kt">Int</span> <span class="o">=</span> <span class="kd">#line</span><span class="p">,</span> <span class="nv">fileName</span><span class="p">:</span> <span class="kt">String</span> <span class="o">=</span> <span class="kd">#file</span><span class="p">)</span></code></pre>
</div>
</div>
<div>
<h4>Parameters</h4>
<table class="graybox">
<tbody>
<tr>
<td>
<code>
<em>msg</em>
</code>
</td>
<td>
<div>
<p>The message to be logged.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>functionName</em>
</code>
</td>
<td>
<div>
<p>The name of the function invoking the logger API.
Defaults to the name of the function invoking
this function.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>lineNum</em>
</code>
</td>
<td>
<div>
<p>The line in the source code of the function invoking the
logger API. Defaults to the line of the
function invoking this function.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>fileName</em>
</code>
</td>
<td>
<div>
<p>The file containing the source code of the function invoking the
logger API. Defaults to the name of the file containing the function
which invokes this function.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:9LoggerAPI3LogC5debugySSyXK_SS12functionNameSi7lineNumSS04fileF0tFZ"></a>
<a name="//apple_ref/swift/Method/debug(_:functionName:lineNum:fileName:)" class="dashAnchor"></a>
<a class="token" href="#/s:9LoggerAPI3LogC5debugySSyXK_SS12functionNameSi7lineNumSS04fileF0tFZ">debug(_:functionName:lineNum:fileName:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Log a debugging message.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">class</span> <span class="kd">func</span> <span class="nf">debug</span><span class="p">(</span><span class="n">_</span> <span class="nv">msg</span><span class="p">:</span> <span class="kd">@autoclosure</span> <span class="p">()</span> <span class="o">-></span> <span class="kt">String</span><span class="p">,</span> <span class="nv">functionName</span><span class="p">:</span> <span class="kt">String</span> <span class="o">=</span> <span class="kd">#function</span><span class="p">,</span>
<span class="nv">lineNum</span><span class="p">:</span> <span class="kt">Int</span> <span class="o">=</span> <span class="kd">#line</span><span class="p">,</span> <span class="nv">fileName</span><span class="p">:</span> <span class="kt">String</span> <span class="o">=</span> <span class="kd">#file</span><span class="p">)</span></code></pre>
</div>
</div>
<div>
<h4>Parameters</h4>
<table class="graybox">
<tbody>
<tr>
<td>
<code>
<em>msg</em>
</code>
</td>
<td>
<div>
<p>The message to be logged.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>functionName</em>
</code>
</td>
<td>
<div>
<p>The name of the function invoking the logger API.
Defaults to the name of the function invoking
this function.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>lineNum</em>
</code>
</td>
<td>
<div>
<p>The line in the source code of the function invoking the
logger API. Defaults to the line of the
function invoking this function.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>fileName</em>
</code>
</td>
<td>
<div>
<p>The file containing the source code of the function invoking the
logger API. Defaults to the name of the file containing the function
which invokes this function.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:9LoggerAPI3LogC5entryySSyXK_SS12functionNameSi7lineNumSS04fileF0tFZ"></a>
<a name="//apple_ref/swift/Method/entry(_:functionName:lineNum:fileName:)" class="dashAnchor"></a>
<a class="token" href="#/s:9LoggerAPI3LogC5entryySSyXK_SS12functionNameSi7lineNumSS04fileF0tFZ">entry(_:functionName:lineNum:fileName:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Log a message when entering a function.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">class</span> <span class="kd">func</span> <span class="nf">entry</span><span class="p">(</span><span class="n">_</span> <span class="nv">msg</span><span class="p">:</span> <span class="kd">@autoclosure</span> <span class="p">()</span> <span class="o">-></span> <span class="kt">String</span><span class="p">,</span> <span class="nv">functionName</span><span class="p">:</span> <span class="kt">String</span> <span class="o">=</span> <span class="kd">#function</span><span class="p">,</span>
<span class="nv">lineNum</span><span class="p">:</span> <span class="kt">Int</span> <span class="o">=</span> <span class="kd">#line</span><span class="p">,</span> <span class="nv">fileName</span><span class="p">:</span> <span class="kt">String</span> <span class="o">=</span> <span class="kd">#file</span><span class="p">)</span></code></pre>
</div>
</div>
<div>
<h4>Parameters</h4>
<table class="graybox">
<tbody>
<tr>
<td>
<code>
<em>msg</em>
</code>
</td>
<td>
<div>
<p>The message to be logged.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>functionName</em>
</code>
</td>
<td>
<div>
<p>The name of the function invoking the logger API.
Defaults to the name of the function invoking
this function.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>lineNum</em>
</code>
</td>
<td>
<div>
<p>The line in the source code of the function invoking the
logger API. Defaults to the line of the
function invoking this function.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>fileName</em>
</code>
</td>
<td>
<div>
<p>The file containing the source code of the function invoking the
logger API. Defaults to the name of the file containing the function
which invokes this function.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:9LoggerAPI3LogC4exitySSyXK_SS12functionNameSi7lineNumSS04fileF0tFZ"></a>
<a name="//apple_ref/swift/Method/exit(_:functionName:lineNum:fileName:)" class="dashAnchor"></a>
<a class="token" href="#/s:9LoggerAPI3LogC4exitySSyXK_SS12functionNameSi7lineNumSS04fileF0tFZ">exit(_:functionName:lineNum:fileName:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Log a message when exiting a function.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">class</span> <span class="kd">func</span> <span class="nf">exit</span><span class="p">(</span><span class="n">_</span> <span class="nv">msg</span><span class="p">:</span> <span class="kd">@autoclosure</span> <span class="p">()</span> <span class="o">-></span> <span class="kt">String</span><span class="p">,</span> <span class="nv">functionName</span><span class="p">:</span> <span class="kt">String</span> <span class="o">=</span> <span class="kd">#function</span><span class="p">,</span>
<span class="nv">lineNum</span><span class="p">:</span> <span class="kt">Int</span> <span class="o">=</span> <span class="kd">#line</span><span class="p">,</span> <span class="nv">fileName</span><span class="p">:</span> <span class="kt">String</span> <span class="o">=</span> <span class="kd">#file</span><span class="p">)</span></code></pre>
</div>
</div>
<div>
<h4>Parameters</h4>
<table class="graybox">
<tbody>
<tr>
<td>
<code>
<em>msg</em>
</code>
</td>
<td>
<div>
<p>The message to be logged.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>functionName</em>
</code>
</td>
<td>
<div>
<p>The name of the function invoking the logger API.
Defaults to the name of the function invoking
this function.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>lineNum</em>
</code>
</td>
<td>
<div>
<p>The line in the source code of the function invoking the
logger API. Defaults to the line of the
function invoking this function.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>fileName</em>
</code>
</td>
<td>
<div>
<p>The file containing the source code of the function invoking the
logger API. Defaults to the name of the file containing the function
which invokes this function.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:9LoggerAPI3LogC9isLoggingSbAA0A11MessageTypeOFZ"></a>
<a name="//apple_ref/swift/Method/isLogging(_:)" class="dashAnchor"></a>
<a class="token" href="#/s:9LoggerAPI3LogC9isLoggingSbAA0A11MessageTypeOFZ">isLogging(_:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Indicates if a message with a specified type (<code><a href="../Enums/LoggerMessageType.html">LoggerMessageType</a></code>) will be in the logger
output (i.e. will not be filtered out).</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">class</span> <span class="kd">func</span> <span class="nf">isLogging</span><span class="p">(</span><span class="n">_</span> <span class="nv">level</span><span class="p">:</span> <span class="kt"><a href="../Enums/LoggerMessageType.html">LoggerMessageType</a></span><span class="p">)</span> <span class="o">-></span> <span class="kt">Bool</span></code></pre>
</div>
</div>
<div>
<h4>Parameters</h4>
<table class="graybox">
<tbody>
<tr>
<td>
<code>
<em>type</em>
</code>
</td>
<td>
<div>
<p>The type of message (<code><a href="../Enums/LoggerMessageType.html">LoggerMessageType</a></code>).</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<div>
<h4>Return Value</h4>
<p>A Boolean indicating whether a message of the specified type
(<code><a href="../Enums/LoggerMessageType.html">LoggerMessageType</a></code>) will be in the logger output.</p>
</div>
</section>
</div>
</li>
</ul>
</div>
</div>
</section>
</article>
</div>
<section class="footer">
<p>© 2018 <a class="link" href="https://github.com/IBM-Swift/LoggerAPI" target="_blank" rel="external">IBM</a>. All rights reserved. (Last updated: 2018-06-11)</p>
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