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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.cayenne.query</a></div>
<h2 title="Class ObjectIdQuery" class="title">Class ObjectIdQuery</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">java.lang.Object</a></li>
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<ul class="inheritance">
<li><a href="IndirectQuery.html" title="class in org.apache.cayenne.query">org.apache.cayenne.query.IndirectQuery</a></li>
<li>
<ul class="inheritance">
<li>org.apache.cayenne.query.ObjectIdQuery</li>
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<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io" class="externalLink">Serializable</a></code>, <code><a href="Query.html" title="interface in org.apache.cayenne.query">Query</a></code></dd>
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<pre>public class <span class="typeNameLabel">ObjectIdQuery</span>
extends <a href="IndirectQuery.html" title="class in org.apache.cayenne.query">IndirectQuery</a></pre>
<div class="block">A query that matches zero or one object or data row corresponding to the ObjectId. Used
internally by Cayenne to lookup objects by id. Notice that cache policies of
ObjectIdQuery are different from generic <a href="QueryMetadata.html" title="interface in org.apache.cayenne.query"><code>QueryMetadata</code></a> cache policies.
ObjectIdQuery is special - it is the only query that can be done against Cayenne main
cache, thus cache handling is significantly different from all other of the queries.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>1.2</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../serialized-form.html#org.apache.cayenne.query.ObjectIdQuery">Serialized Form</a></dd>
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<h3>Field Summary</h3>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#CACHE">CACHE</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#CACHE_NOREFRESH">CACHE_NOREFRESH</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#CACHE_REFRESH">CACHE_REFRESH</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cachePolicy">cachePolicy</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#fetchingDataRows">fetchingDataRows</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>protected <a href="QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#metadata">metadata</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>protected <a href="../map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#metadataResolver">metadataResolver</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../ObjectId.html" title="interface in org.apache.cayenne">ObjectId</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#objectId">objectId</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<h3>Fields inherited from class&nbsp;org.apache.cayenne.query.<a href="IndirectQuery.html" title="class in org.apache.cayenne.query">IndirectQuery</a></h3>
<code><a href="IndirectQuery.html#dataMap">dataMap</a>, <a href="IndirectQuery.html#lastResolver">lastResolver</a>, <a href="IndirectQuery.html#name">name</a>, <a href="IndirectQuery.html#replacementQuery">replacementQuery</a></code></li>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.cayenne.ObjectId)">ObjectIdQuery</a></span>&#8203;(<a href="../ObjectId.html" title="interface in org.apache.cayenne">ObjectId</a>&nbsp;objectID)</code></th>
<td class="colLast">
<div class="block">Creates a refreshing ObjectIdQuery.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.cayenne.ObjectId,boolean,int)">ObjectIdQuery</a></span>&#8203;(<a href="../ObjectId.html" title="interface in org.apache.cayenne">ObjectId</a>&nbsp;objectId,
boolean&nbsp;fetchingDataRows,
int&nbsp;cachePolicy)</code></th>
<td class="colLast">
<div class="block">Creates a new ObjectIdQuery.</div>
</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>protected <a href="Query.html" title="interface in org.apache.cayenne.query">Query</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createReplacementQuery(org.apache.cayenne.map.EntityResolver)">createReplacementQuery</a></span>&#8203;(<a href="../map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</a>&nbsp;resolver)</code></th>
<td class="colLast">
<div class="block">Creates a substitute query.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#equals(java.lang.Object)">equals</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>&nbsp;object)</code></th>
<td class="colLast">
<div class="block">An object is considered equal to this query if it is also a ObjectIdQuery with
an equal ObjectId.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCachePolicy()">getCachePolicy</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMetaData(org.apache.cayenne.map.EntityResolver)">getMetaData</a></span>&#8203;(<a href="../map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</a>&nbsp;resolver)</code></th>
<td class="colLast">
<div class="block">Returns query metadata object.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../ObjectId.html" title="interface in org.apache.cayenne">ObjectId</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getObjectId()">getObjectId</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hashCode()">hashCode</a></span>()</code></th>
<td class="colLast">
<div class="block">Implements a standard hashCode contract considering custom 'equals' implementation.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isFetchAllowed()">isFetchAllowed</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isFetchingDataRows()">isFetchingDataRows</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isFetchMandatory()">isFetchMandatory</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString()">toString</a></span>()</code></th>
<td class="colLast">
<div class="block">Overrides toString() outputting a short string with query class and ObjectId.</div>
</td>
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<h3>Methods inherited from class&nbsp;org.apache.cayenne.query.<a href="IndirectQuery.html" title="class in org.apache.cayenne.query">IndirectQuery</a></h3>
<code><a href="IndirectQuery.html#createSQLAction(org.apache.cayenne.query.SQLActionVisitor)">createSQLAction</a>, <a href="IndirectQuery.html#getReplacementQuery(org.apache.cayenne.map.EntityResolver)">getReplacementQuery</a>, <a href="IndirectQuery.html#route(org.apache.cayenne.query.QueryRouter,org.apache.cayenne.map.EntityResolver,org.apache.cayenne.query.Query)">route</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></li>
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<h4>CACHE</h4>
<pre>public static final&nbsp;int CACHE</pre>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.cayenne.query.ObjectIdQuery.CACHE">Constant Field Values</a></dd>
</dl>
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<a id="CACHE_REFRESH">
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<h4>CACHE_REFRESH</h4>
<pre>public static final&nbsp;int CACHE_REFRESH</pre>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.cayenne.query.ObjectIdQuery.CACHE_REFRESH">Constant Field Values</a></dd>
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<h4>CACHE_NOREFRESH</h4>
<pre>public static final&nbsp;int CACHE_NOREFRESH</pre>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.cayenne.query.ObjectIdQuery.CACHE_NOREFRESH">Constant Field Values</a></dd>
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</li>
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<a id="objectId">
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<h4>objectId</h4>
<pre>protected&nbsp;<a href="../ObjectId.html" title="interface in org.apache.cayenne">ObjectId</a> objectId</pre>
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<a id="cachePolicy">
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<h4>cachePolicy</h4>
<pre>protected&nbsp;int cachePolicy</pre>
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<a id="fetchingDataRows">
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<h4>fetchingDataRows</h4>
<pre>protected&nbsp;boolean fetchingDataRows</pre>
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<a id="metadataResolver">
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<h4>metadataResolver</h4>
<pre>protected transient&nbsp;<a href="../map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</a> metadataResolver</pre>
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<h4>metadata</h4>
<pre>protected transient&nbsp;<a href="QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</a> metadata</pre>
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<h3>Constructor Detail</h3>
<a id="&lt;init&gt;(org.apache.cayenne.ObjectId)">
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<h4>ObjectIdQuery</h4>
<pre>public&nbsp;ObjectIdQuery&#8203;(<a href="../ObjectId.html" title="interface in org.apache.cayenne">ObjectId</a>&nbsp;objectID)</pre>
<div class="block">Creates a refreshing ObjectIdQuery.</div>
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<h4>ObjectIdQuery</h4>
<pre>public&nbsp;ObjectIdQuery&#8203;(<a href="../ObjectId.html" title="interface in org.apache.cayenne">ObjectId</a>&nbsp;objectId,
boolean&nbsp;fetchingDataRows,
int&nbsp;cachePolicy)</pre>
<div class="block">Creates a new ObjectIdQuery.</div>
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<h4>getMetaData</h4>
<pre class="methodSignature">public&nbsp;<a href="QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</a>&nbsp;getMetaData&#8203;(<a href="../map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</a>&nbsp;resolver)</pre>
<div class="block">Returns query metadata object.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Query.html#getMetaData(org.apache.cayenne.map.EntityResolver)">getMetaData</a></code>&nbsp;in interface&nbsp;<code><a href="Query.html" title="interface in org.apache.cayenne.query">Query</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="IndirectQuery.html#getMetaData(org.apache.cayenne.map.EntityResolver)">getMetaData</a></code>&nbsp;in class&nbsp;<code><a href="IndirectQuery.html" title="class in org.apache.cayenne.query">IndirectQuery</a></code></dd>
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<h4>getObjectId</h4>
<pre class="methodSignature">public&nbsp;<a href="../ObjectId.html" title="interface in org.apache.cayenne">ObjectId</a>&nbsp;getObjectId()</pre>
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<h4>createReplacementQuery</h4>
<pre class="methodSignature">protected&nbsp;<a href="Query.html" title="interface in org.apache.cayenne.query">Query</a>&nbsp;createReplacementQuery&#8203;(<a href="../map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</a>&nbsp;resolver)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="IndirectQuery.html#createReplacementQuery(org.apache.cayenne.map.EntityResolver)">IndirectQuery</a></code></span></div>
<div class="block">Creates a substitute query. An implementor is free to provide an
arbitrary replacement query.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="IndirectQuery.html#createReplacementQuery(org.apache.cayenne.map.EntityResolver)">createReplacementQuery</a></code>&nbsp;in class&nbsp;<code><a href="IndirectQuery.html" title="class in org.apache.cayenne.query">IndirectQuery</a></code></dd>
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<pre class="methodSignature">public&nbsp;int&nbsp;getCachePolicy()</pre>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;isFetchMandatory()</pre>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;isFetchAllowed()</pre>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;isFetchingDataRows()</pre>
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<h4>toString</h4>
<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;toString()</pre>
<div class="block">Overrides toString() outputting a short string with query class and ObjectId.</div>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink">toString</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></code></dd>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;equals&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>&nbsp;object)</pre>
<div class="block">An object is considered equal to this query if it is also a ObjectIdQuery with
an equal ObjectId.</div>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></code></dd>
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<pre class="methodSignature">public&nbsp;int&nbsp;hashCode()</pre>
<div class="block">Implements a standard hashCode contract considering custom 'equals' implementation.</div>
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<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></code></dd>
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