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<title>SqlBasicTypeNameSpec (Apache Calcite API)</title>
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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.sql</a></div>
<h1 title="Class SqlBasicTypeNameSpec" class="title">Class SqlBasicTypeNameSpec</h1>
</div>
<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance"><a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">org.apache.calcite.sql.SqlTypeNameSpec</a>
<div class="inheritance">org.apache.calcite.sql.SqlBasicTypeNameSpec</div>
</div>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>Direct Known Subclasses:</dt>
<dd><code><a href="SqlAlienSystemTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlAlienSystemTypeNameSpec</a></code></dd>
</dl>
<hr>
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">SqlBasicTypeNameSpec</span>
<span class="extends-implements">extends <a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a></span></div>
<div class="block">A sql type name specification of basic sql type.
<p>Supported basic sql types grammar:
<blockquote><pre>
basicSqlType:
GEOMETRY
| BOOLEAN
| [ INTEGER | INT ]
| TINYINT
| SMALLINT
| BIGINT
| REAL
| DOUBLE [ PRECISION ]
| FLOAT
| BINARY [ precision ]
| [ BINARY VARYING | VARBINARY ] [ precision ]
| [ DECIMAL | DEC | NUMERIC ] [ precision [, scale] ]
| ANY [ precision [, scale] ]
| charType [ precision ] [ charSet ]
| varcharType [ precision ] [ charSet ]
| DATE
| TIME [ precision ] [ timeZone ]
| TIMESTAMP [ precision ] [ timeZone ]
charType:
CHARACTER
| CHAR
varcharType:
charType VARYING
| VARCHAR
charSet:
CHARACTER SET charSetName
timeZone:
WITHOUT TIME ZONE
| WITH LOCAL TIME ZONE
</pre></blockquote></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.calcite.sql.type.SqlTypeName,int,int,java.lang.String,org.apache.calcite.sql.parser.SqlParserPos)" class="member-name-link">SqlBasicTypeNameSpec</a><wbr>(<a href="type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName,
int&nbsp;precision,
int&nbsp;scale,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;charSetName,
<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></div>
<div class="col-last even-row-color">
<div class="block">Create a basic sql type name specification.</div>
</div>
<div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(org.apache.calcite.sql.type.SqlTypeName,int,int,org.apache.calcite.sql.parser.SqlParserPos)" class="member-name-link">SqlBasicTypeNameSpec</a><wbr>(<a href="type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName,
int&nbsp;precision,
int&nbsp;scale,
<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(org.apache.calcite.sql.type.SqlTypeName,int,java.lang.String,org.apache.calcite.sql.parser.SqlParserPos)" class="member-name-link">SqlBasicTypeNameSpec</a><wbr>(<a href="type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName,
int&nbsp;precision,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;charSetName,
<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(org.apache.calcite.sql.type.SqlTypeName,int,org.apache.calcite.sql.parser.SqlParserPos)" class="member-name-link">SqlBasicTypeNameSpec</a><wbr>(<a href="type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName,
int&nbsp;precision,
<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(org.apache.calcite.sql.type.SqlTypeName,org.apache.calcite.sql.parser.SqlParserPos)" class="member-name-link">SqlBasicTypeNameSpec</a><wbr>(<a href="type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName,
<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></div>
<div class="col-last even-row-color">&nbsp;</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>
<div id="method-summary-table.tabpanel" role="tabpanel">
<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><a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#deriveType(org.apache.calcite.sql.validate.SqlValidator)" class="member-name-link">deriveType</a><wbr>(<a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a>&nbsp;validator)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Derive type from this SqlTypeNameSpec.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#equalsDeep(org.apache.calcite.sql.SqlTypeNameSpec,org.apache.calcite.util.Litmus)" class="member-name-link">equalsDeep</a><wbr>(<a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a>&nbsp;node,
<a href="../util/Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns whether this spec is structurally equivalent to another spec.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/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="#getCharSetName()" class="member-name-link">getCharSetName</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>int</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getPrecision()" class="member-name-link">getPrecision</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>int</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getScale()" class="member-name-link">getScale</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#unparse(org.apache.calcite.sql.SqlWriter,int,int)" class="member-name-link">unparse</a><wbr>(<a href="SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Writes a SQL representation of this spec to a writer.</div>
</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.calcite.sql.SqlTypeNameSpec">Methods inherited from class&nbsp;org.apache.calcite.sql.<a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a></h3>
<code><a href="SqlTypeNameSpec.html#getParserPos()">getParserPos</a>, <a href="SqlTypeNameSpec.html#getTypeName()">getTypeName</a></code></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/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/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/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/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.calcite.sql.type.SqlTypeName,int,int,java.lang.String,org.apache.calcite.sql.parser.SqlParserPos)">
<h3>SqlBasicTypeNameSpec</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">SqlBasicTypeNameSpec</span><wbr><span class="parameters">(<a href="type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName,
int&nbsp;precision,
int&nbsp;scale,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;charSetName,
<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</span></div>
<div class="block">Create a basic sql type name specification.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>typeName</code> - Type name</dd>
<dd><code>precision</code> - Precision of the type name if it is allowed, default is -1</dd>
<dd><code>scale</code> - Scale of the type name if it is allowed, default is -1</dd>
<dd><code>charSetName</code> - Char set of the type, only works when the type
belong to CHARACTER type family</dd>
<dd><code>pos</code> - The parser position</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(org.apache.calcite.sql.type.SqlTypeName,org.apache.calcite.sql.parser.SqlParserPos)">
<h3>SqlBasicTypeNameSpec</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">SqlBasicTypeNameSpec</span><wbr><span class="parameters">(<a href="type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName,
<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</span></div>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(org.apache.calcite.sql.type.SqlTypeName,int,org.apache.calcite.sql.parser.SqlParserPos)">
<h3>SqlBasicTypeNameSpec</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">SqlBasicTypeNameSpec</span><wbr><span class="parameters">(<a href="type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName,
int&nbsp;precision,
<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</span></div>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(org.apache.calcite.sql.type.SqlTypeName,int,java.lang.String,org.apache.calcite.sql.parser.SqlParserPos)">
<h3>SqlBasicTypeNameSpec</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">SqlBasicTypeNameSpec</span><wbr><span class="parameters">(<a href="type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName,
int&nbsp;precision,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;charSetName,
<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</span></div>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(org.apache.calcite.sql.type.SqlTypeName,int,int,org.apache.calcite.sql.parser.SqlParserPos)">
<h3>SqlBasicTypeNameSpec</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">SqlBasicTypeNameSpec</span><wbr><span class="parameters">(<a href="type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName,
int&nbsp;precision,
int&nbsp;scale,
<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</span></div>
</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="getScale()">
<h3>getScale</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">getScale</span>()</div>
</section>
</li>
<li>
<section class="detail" id="getPrecision()">
<h3>getPrecision</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">getPrecision</span>()</div>
</section>
</li>
<li>
<section class="detail" id="getCharSetName()">
<h3>getCharSetName</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getCharSetName</span>()</div>
</section>
</li>
<li>
<section class="detail" id="equalsDeep(org.apache.calcite.sql.SqlTypeNameSpec,org.apache.calcite.util.Litmus)">
<h3>equalsDeep</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">equalsDeep</span><wbr><span class="parameters">(<a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a>&nbsp;node,
<a href="../util/Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="SqlTypeNameSpec.html#equalsDeep(org.apache.calcite.sql.SqlTypeNameSpec,org.apache.calcite.util.Litmus)">SqlTypeNameSpec</a></code></span></div>
<div class="block">Returns whether this spec is structurally equivalent to another spec.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="SqlTypeNameSpec.html#equalsDeep(org.apache.calcite.sql.SqlTypeNameSpec,org.apache.calcite.util.Litmus)">equalsDeep</a></code>&nbsp;in class&nbsp;<code><a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="unparse(org.apache.calcite.sql.SqlWriter,int,int)">
<h3>unparse</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">unparse</span><wbr><span class="parameters">(<a href="SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="SqlTypeNameSpec.html#unparse(org.apache.calcite.sql.SqlWriter,int,int)">SqlTypeNameSpec</a></code></span></div>
<div class="block">Writes a SQL representation of this spec to a writer.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="SqlTypeNameSpec.html#unparse(org.apache.calcite.sql.SqlWriter,int,int)">unparse</a></code>&nbsp;in class&nbsp;<code><a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="deriveType(org.apache.calcite.sql.validate.SqlValidator)">
<h3>deriveType</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></span>&nbsp;<span class="element-name">deriveType</span><wbr><span class="parameters">(<a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a>&nbsp;validator)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="SqlTypeNameSpec.html#deriveType(org.apache.calcite.sql.validate.SqlValidator)">SqlTypeNameSpec</a></code></span></div>
<div class="block">Derive type from this SqlTypeNameSpec.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="SqlTypeNameSpec.html#deriveType(org.apache.calcite.sql.validate.SqlValidator)">deriveType</a></code>&nbsp;in class&nbsp;<code><a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a></code></dd>
<dt>Parameters:</dt>
<dd><code>validator</code> - The sql validator</dd>
<dt>Returns:</dt>
<dd>the <code>RelDataType</code> instance, throws exception if we could not
deduce the type</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
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