content/site/apidocs-9.0.0/org/apache/juneau/svl/VarResolverSession.html - juneau-website - Git at Google

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 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.juneau.svl</a></div>
 <h1 title="Class VarResolverSession" class="title">Class VarResolverSession</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance">org.apache.juneau.svl.VarResolverSession</div>
 </div>
 <section class="class-description" id="class-description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name"><a href="../../../../src-html/org/apache/juneau/svl/VarResolverSession.html#line-47">VarResolverSession</a></span>
 <span class="extends-implements">extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div>
 <div class="block">A var resolver session that combines a <a href="VarResolver.html" title="class in org.apache.juneau.svl"><code>VarResolver</code></a> with one or more session objects.

  <p>
  Instances of this class are considered light-weight and fast to construct, use, and discard.

  <p>
  This class contains the workhorse code for var resolution.

  <p>
  Instances of this class are created through the <a href="VarResolver.html#createSession()"><code>VarResolver.createSession()</code></a> and
  <a href="VarResolver.html#createSession(org.apache.juneau.cp.BeanStore)"><code>VarResolver.createSession(BeanStore)</code></a> methods.

  <h5 class='section'>Notes:</h5><ul>
    <li class='warn'>This class is not guaranteed to be thread safe.
  </ul>

  <h5 class='section'>See Also:</h5><ul>
    <li class='link'><a class="doclink" href="../../../../index.html#jm.SimpleVariableLanguage">Simple Variable Language</a>
  </ul></div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(org.apache.juneau.svl.VarResolver,org.apache.juneau.cp.BeanStore)" class="member-name-link">VarResolverSession</a><wbr>(<a href="VarResolver.html" title="class in org.apache.juneau.svl">VarResolver</a>&nbsp;context,
  <a href="../cp/BeanStore.html" title="class in org.apache.juneau.cp">BeanStore</a>&nbsp;beanStore)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Constructor.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
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 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>&lt;T&gt;&nbsp;<a href="VarResolverSession.html" title="class in org.apache.juneau.svl">VarResolverSession</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#bean(java.lang.Class,T)" class="member-name-link">bean</a><wbr>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;T&gt;&nbsp;c,
  T&nbsp;value)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Adds a bean to this session.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>&lt;T&gt;&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html" title="class or interface in java.util" class="external-link">Optional</a>&lt;T&gt;</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getBean(java.lang.Class)" class="member-name-link">getBean</a><wbr>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;T&gt;&nbsp;c)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns the bean from the registered bean store.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected <a href="Var.html" title="class in org.apache.juneau.svl">Var</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getVar(java.lang.String)" class="member-name-link">getVar</a><wbr>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns the <a href="Var.html" title="class in org.apache.juneau.svl"><code>Var</code></a> with the specified name.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#resolve(java.lang.String)" class="member-name-link">resolve</a><wbr>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;s)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Resolve all variables in the specified string.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#resolve(java.lang.String%5B%5D)" class="member-name-link">resolve</a><wbr>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;in)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Resolves the specified strings in the string array.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>&lt;T&gt;&nbsp;T</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#resolve(T)" class="member-name-link">resolve</a><wbr>(T&nbsp;o)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Convenience method for resolving variables in arbitrary objects.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html" title="class or interface in java.io" class="external-link">Writer</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#resolveTo(java.lang.String,java.io.Writer)" class="member-name-link">resolveTo</a><wbr>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;s,
  <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html" title="class or interface in java.io" class="external-link">Writer</a>&nbsp;out)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Resolves variables in the specified string and sends the output to the specified writer.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#toString()" class="member-name-link">toString</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(org.apache.juneau.svl.VarResolver,org.apache.juneau.cp.BeanStore)">
 <h3>VarResolverSession</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/juneau/svl/VarResolverSession.html#line-61">VarResolverSession</a></span><wbr><span class="parameters">(<a href="VarResolver.html" title="class in org.apache.juneau.svl">VarResolver</a>&nbsp;context,
  <a href="../cp/BeanStore.html" title="class in org.apache.juneau.cp">BeanStore</a>&nbsp;beanStore)</span></div>
 <div class="block">Constructor.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>context</code> - The <a href="VarResolver.html" title="class in org.apache.juneau.svl"><code>VarResolver</code></a> context object that contains the <a href="Var.html" title="class in org.apache.juneau.svl"><code>Vars</code></a> and context objects associated with
    that resolver.</dd>
 <dd><code>beanStore</code> - The bean store to use for resolving beans needed by vars.</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="resolve(java.lang.String)">
 <h3>resolve</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/juneau/svl/VarResolverSession.html#line-75">resolve</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;s)</span></div>
 <div class="block">Resolve all variables in the specified string.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>s</code> - The string to resolve variables in.</dd>
 <dt>Returns:</dt>
 <dd>The new string with all variables resolved, or the same string if no variables were found.
    <br>Returns <jk>null</jk> if the input was <jk>null</jk>.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="resolve(T)">
 <h3 id="resolve(java.lang.Object)">resolve</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="type-parameters">&lt;T&gt;</span>&nbsp;<span class="return-type">T</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/juneau/svl/VarResolverSession.html#line-132">resolve</a></span><wbr><span class="parameters">(T&nbsp;o)</span></div>
 <div class="block">Convenience method for resolving variables in arbitrary objects.

  <p>
  Supports resolving variables in the following object types:
  <ul>
    <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/CharSequence.html" title="class or interface in java.lang" class="external-link"><code>CharSequence</code></a>
    <li>Arrays containing values of type <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/CharSequence.html" title="class or interface in java.lang" class="external-link"><code>CharSequence</code></a>.
    <li>Collections containing values of type <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/CharSequence.html" title="class or interface in java.lang" class="external-link"><code>CharSequence</code></a>.
       <br>Collection class must have a no-arg constructor.
    <li>Maps containing values of type <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/CharSequence.html" title="class or interface in java.lang" class="external-link"><code>CharSequence</code></a>.
       <br>Map class must have a no-arg constructor.
  </ul></div>
 <dl class="notes">
 <dt>Type Parameters:</dt>
 <dd><code>T</code> - The value type.</dd>
 <dt>Parameters:</dt>
 <dd><code>o</code> - The object.</dd>
 <dt>Returns:</dt>
 <dd>The same object if no resolution was needed, otherwise a new object or data structure if resolution was
  needed.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="resolveTo(java.lang.String,java.io.Writer)">
 <h3>resolveTo</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html" title="class or interface in java.io" class="external-link">Writer</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/juneau/svl/VarResolverSession.html#line-254">resolveTo</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;s,
  <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html" title="class or interface in java.io" class="external-link">Writer</a>&nbsp;out)</span>
                  throws <span class="exceptions"><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
 <div class="block">Resolves variables in the specified string and sends the output to the specified writer.

  <p>
  More efficient than first parsing to a string and then serializing to the writer since this method doesn't need
  to construct a large string.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>s</code> - The string to resolve variables in.</dd>
 <dd><code>out</code> - The writer to write to.</dd>
 <dt>Returns:</dt>
 <dd>The same writer.</dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - Thrown by underlying stream.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getBean(java.lang.Class)">
 <h3>getBean</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="type-parameters">&lt;T&gt;</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html" title="class or interface in java.util" class="external-link">Optional</a>&lt;T&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/juneau/svl/VarResolverSession.html#line-378">getBean</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;T&gt;&nbsp;c)</span></div>
 <div class="block">Returns the bean from the registered bean store.</div>
 <dl class="notes">
 <dt>Type Parameters:</dt>
 <dd><code>T</code> - The value type.</dd>
 <dt>Parameters:</dt>
 <dd><code>c</code> - The bean type.</dd>
 <dt>Returns:</dt>
 <dd>The bean.
    <br>Never <jk>null</jk>.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getVar(java.lang.String)">
 <h3>getVar</h3>
 <div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type"><a href="Var.html" title="class in org.apache.juneau.svl">Var</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/juneau/svl/VarResolverSession.html#line-391">getVar</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</span></div>
 <div class="block">Returns the <a href="Var.html" title="class in org.apache.juneau.svl"><code>Var</code></a> with the specified name.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>name</code> - The var name (e.g. <js>"S"</js>).</dd>
 <dt>Returns:</dt>
 <dd>The <a href="Var.html" title="class in org.apache.juneau.svl"><code>Var</code></a> instance, or <jk>null</jk> if no <c>Var</c> is associated with the specified name.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="resolve(java.lang.String[])">
 <h3>resolve</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/juneau/svl/VarResolverSession.html#line-402">resolve</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;in)</span></div>
 <div class="block">Resolves the specified strings in the string array.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>in</code> - The string array containing variables to resolve.</dd>
 <dt>Returns:</dt>
 <dd>An array with resolved strings.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="bean(java.lang.Class,T)">
 <h3 id="bean(java.lang.Class,java.lang.Object)">bean</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="type-parameters">&lt;T&gt;</span>&nbsp;<span class="return-type"><a href="VarResolverSession.html" title="class in org.apache.juneau.svl">VarResolverSession</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/juneau/svl/VarResolverSession.html#line-417">bean</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;T&gt;&nbsp;c,
  T&nbsp;value)</span></div>
 <div class="block">Adds a bean to this session.</div>
 <dl class="notes">
 <dt>Type Parameters:</dt>
 <dd><code>T</code> - The bean type.</dd>
 <dt>Parameters:</dt>
 <dd><code>c</code> - The bean type.</dd>
 <dd><code>value</code> - The bean.</dd>
 <dt>Returns:</dt>
 <dd>This object.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="toString()">
 <h3>toString</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/juneau/svl/VarResolverSession.html#line-422">toString</a></span>()</div>
 <dl class="notes">
 <dt>Overrides:</dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
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