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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.sql</a></div> |
| <h1 title="Class SqlDynamicParam" class="title">Class SqlDynamicParam</h1> |
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| <div class="inheritance"><a href="SqlNode.html" title="class in org.apache.calcite.sql">org.apache.calcite.sql.SqlNode</a> |
| <div class="inheritance">org.apache.calcite.sql.SqlDynamicParam</div> |
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| <pre>public class <span class="typeNameLabel">SqlDynamicParam</span> |
| extends <a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></pre> |
| <div class="block">A <code>SqlDynamicParam</code> represents a dynamic parameter marker in an |
| SQL statement. The textual order in which dynamic parameters appear within an |
| SQL statement is the only property which distinguishes them, so this 0-based |
| index is recorded as soon as the parameter is encountered.</div> |
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| <h3>Fields inherited from class org.apache.calcite.sql.<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></h3> |
| <a id="fields.inherited.from.class.org.apache.calcite.sql.SqlNode"> |
| <!-- --> |
| </a><code><a href="SqlNode.html#EMPTY_ARRAY">EMPTY_ARRAY</a>, <a href="SqlNode.html#pos">pos</a></code></div> |
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| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(int,org.apache.calcite.sql.parser.SqlParserPos)">SqlDynamicParam</a></span>​(int index, |
| <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <tbody> |
| <tr class="altColor" id="i0"> |
| <td class="colFirst"><code><R> R</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#accept(org.apache.calcite.sql.util.SqlVisitor)">accept</a></span>​(<a href="util/SqlVisitor.html" title="interface in org.apache.calcite.sql.util">SqlVisitor</a><R> visitor)</code></th> |
| <td class="colLast"> |
| <div class="block">Accepts a generic visitor.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i1"> |
| <td class="colFirst"><code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#clone(org.apache.calcite.sql.parser.SqlParserPos)">clone</a></span>​(<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</code></th> |
| <td class="colLast"> |
| <div class="block">Clones a SqlNode with a different position.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i2"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></span>​(@Nullable <a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> node, |
| <a href="../util/Litmus.html" title="interface in org.apache.calcite.util">Litmus</a> litmus)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether this node is structurally equivalent to another node.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i3"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getIndex()">getIndex</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i4"> |
| <td class="colFirst"><code><a href="SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getKind()">getKind</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the type of node this is, or |
| <a href="SqlKind.html#OTHER"><code>SqlKind.OTHER</code></a> if it's nothing special.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i5"> |
| <td class="colFirst"><code><a href="validate/SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate">SqlMonotonicity</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMonotonicity(org.apache.calcite.sql.validate.SqlValidatorScope)">getMonotonicity</a></span>​(@Nullable <a href="validate/SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a> scope)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether expression is always ascending, descending or constant.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i6"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unparse(org.apache.calcite.sql.SqlWriter,int,int)">unparse</a></span>​(<a href="SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a> writer, |
| int leftPrec, |
| int rightPrec)</code></th> |
| <td class="colLast"> |
| <div class="block">Writes a SQL representation of this node to a writer.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i7"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validate(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)">validate</a></span>​(<a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a> validator, |
| <a href="validate/SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a> scope)</code></th> |
| <td class="colLast"> |
| <div class="block">Validates this node.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from class org.apache.calcite.sql.<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></h3> |
| <a id="methods.inherited.from.class.org.apache.calcite.sql.SqlNode"> |
| <!-- --> |
| </a><code><a href="SqlNode.html#clone()">clone</a>, <a href="SqlNode.html#clone(E)">clone</a>, <a href="SqlNode.html#cloneArray(org.apache.calcite.sql.SqlNode%5B%5D)">cloneArray</a>, <a href="SqlNode.html#equalDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalDeep</a>, <a href="SqlNode.html#equalDeep(java.util.List,java.util.List,org.apache.calcite.util.Litmus)">equalDeep</a>, <a href="SqlNode.html#equalsDeep(org.apache.calcite.sql.SqlNode,boolean)">equalsDeep</a>, <a href="SqlNode.html#findValidOptions(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.parser.SqlParserPos,java.util.Collection)">findValidOptions</a>, <a href="SqlNode.html#getParserPosition()">getParserPosition</a>, <a href="SqlNode.html#isA(java.util.Set)">isA</a>, <a href="SqlNode.html#toList()">toList</a>, <a href="SqlNode.html#toList(org.apache.calcite.sql.parser.SqlParserPos)">toList</a>, <a href="SqlNode.html#toSqlString(org.apache.calcite.sql.SqlDialect)">toSqlString</a>, <a href="SqlNode.html#toSqlString(org.apache.calcite.sql.SqlDialect,boolean)">toSqlString</a>, <a href="SqlNode.html#toSqlString(java.util.function.UnaryOperator)">toSqlString</a>, <a href="SqlNode.html#toString()">toString</a>, <a href="SqlNode.html#unparseWithParentheses(org.apache.calcite.sql.SqlWriter,int,int,boolean)">unparseWithParentheses</a>, <a href="SqlNode.html#validateExpr(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)">validateExpr</a></code></div> |
| <div class="inheritedList"> |
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| <a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <a href="https://docs.oracle.com/javase/9/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/9/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/9/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a>, <a href="https://docs.oracle.com/javase/9/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/9/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/9/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/9/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/9/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></div> |
| </section> |
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| </ul> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| <h3><a id="<init>(int,org.apache.calcite.sql.parser.SqlParserPos)">SqlDynamicParam</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="memberName">SqlDynamicParam</span>​(<span class="arguments">int index, |
| <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
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| <h2>Method Details</h2> |
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| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="clone(org.apache.calcite.sql.parser.SqlParserPos)">clone</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></span> <span class="memberName">clone</span>​(<span class="arguments"><a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</span></div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="SqlNode.html#clone(org.apache.calcite.sql.parser.SqlParserPos)">SqlNode</a></code></span></div> |
| <div class="block">Clones a SqlNode with a different position.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlNode.html#clone(org.apache.calcite.sql.parser.SqlParserPos)">clone</a></code> in class <code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getKind()">getKind</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a></span> <span class="memberName">getKind</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="SqlNode.html#getKind()">SqlNode</a></code></span></div> |
| <div class="block">Returns the type of node this is, or |
| <a href="SqlKind.html#OTHER"><code>SqlKind.OTHER</code></a> if it's nothing special.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="SqlNode.html#getKind()">getKind</a></code> in class <code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a <a href="SqlKind.html" title="enum in org.apache.calcite.sql"><code>SqlKind</code></a> value, never null</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="SqlNode.html#isA(java.util.Set)"><code>SqlNode.isA(java.util.Set<org.apache.calcite.sql.SqlKind>)</code></a></dd> |
| </dl> |
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| <section class="detail"> |
| <h3><a id="getIndex()">getIndex</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">int</span> <span class="memberName">getIndex</span>()</div> |
| </section> |
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| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="unparse(org.apache.calcite.sql.SqlWriter,int,int)">unparse</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">void</span> <span class="memberName">unparse</span>​(<span class="arguments"><a href="SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a> writer, |
| int leftPrec, |
| int rightPrec)</span></div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="SqlNode.html#unparse(org.apache.calcite.sql.SqlWriter,int,int)">SqlNode</a></code></span></div> |
| <div class="block">Writes a SQL representation of this node to a writer. |
| |
| <p>The <code>leftPrec</code> and <code>rightPrec</code> parameters give |
| us enough context to decide whether we need to enclose the expression in |
| parentheses. For example, we need parentheses around "2 + 3" if preceded |
| by "5 *". This is because the precedence of the "*" operator is greater |
| than the precedence of the "+" operator. |
| |
| <p>The algorithm handles left- and right-associative operators by giving |
| them slightly different left- and right-precedence. |
| |
| <p>If <a href="SqlWriter.html#isAlwaysUseParentheses()"><code>SqlWriter.isAlwaysUseParentheses()</code></a> is true, we use |
| parentheses even when they are not required by the precedence rules. |
| |
| <p>For the details of this algorithm, see <a href="SqlCall.html#unparse(org.apache.calcite.sql.SqlWriter,int,int)"><code>SqlCall.unparse(org.apache.calcite.sql.SqlWriter, int, int)</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlNode.html#unparse(org.apache.calcite.sql.SqlWriter,int,int)">unparse</a></code> in class <code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>writer</code> - Target writer</dd> |
| <dd><code>leftPrec</code> - The precedence of the <a href="SqlNode.html" title="class in org.apache.calcite.sql"><code>SqlNode</code></a> immediately |
| preceding this node in a depth-first scan of the parse |
| tree</dd> |
| <dd><code>rightPrec</code> - The precedence of the <a href="SqlNode.html" title="class in org.apache.calcite.sql"><code>SqlNode</code></a> immediately</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="validate(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)">validate</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">void</span> <span class="memberName">validate</span>​(<span class="arguments"><a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a> validator, |
| <a href="validate/SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a> scope)</span></div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="SqlNode.html#validate(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)">SqlNode</a></code></span></div> |
| <div class="block">Validates this node. |
| |
| <p>The typical implementation of this method will make a callback to the |
| validator appropriate to the node type and context. The validator has |
| methods such as <a href="validate/SqlValidator.html#validateLiteral(org.apache.calcite.sql.SqlLiteral)"><code>SqlValidator.validateLiteral(org.apache.calcite.sql.SqlLiteral)</code></a> for these purposes.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlNode.html#validate(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)">validate</a></code> in class <code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></dd> |
| <dd><code>scope</code> - Validator</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getMonotonicity(org.apache.calcite.sql.validate.SqlValidatorScope)">getMonotonicity</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="validate/SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate">SqlMonotonicity</a></span> <span class="memberName">getMonotonicity</span>​(<span class="arguments">@Nullable <a href="validate/SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a> scope)</span></div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="SqlNode.html#getMonotonicity(org.apache.calcite.sql.validate.SqlValidatorScope)">SqlNode</a></code></span></div> |
| <div class="block">Returns whether expression is always ascending, descending or constant. |
| This property is useful because it allows to safely aggregate infinite |
| streams of values. |
| |
| <p>The default implementation returns |
| <a href="validate/SqlMonotonicity.html#NOT_MONOTONIC"><code>SqlMonotonicity.NOT_MONOTONIC</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="SqlNode.html#getMonotonicity(org.apache.calcite.sql.validate.SqlValidatorScope)">getMonotonicity</a></code> in class <code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>scope</code> - Scope</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="accept(org.apache.calcite.sql.util.SqlVisitor)">accept</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="typeParameters"><R></span> <span class="returnType">R</span> <span class="memberName">accept</span>​(<span class="arguments"><a href="util/SqlVisitor.html" title="interface in org.apache.calcite.sql.util">SqlVisitor</a><R> visitor)</span></div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="SqlNode.html#accept(org.apache.calcite.sql.util.SqlVisitor)">SqlNode</a></code></span></div> |
| <div class="block">Accepts a generic visitor. |
| |
| <p>Implementations of this method in subtypes simply call the appropriate |
| <code>visit</code> method on the |
| <a href="util/SqlVisitor.html" title="interface in org.apache.calcite.sql.util"><code>visitor object</code></a>. |
| |
| <p>The type parameter <code>R</code> must be consistent with the type |
| parameter of the visitor.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlNode.html#accept(org.apache.calcite.sql.util.SqlVisitor)">accept</a></code> in class <code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">boolean</span> <span class="memberName">equalsDeep</span>​(<span class="arguments">@Nullable <a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> node, |
| <a href="../util/Litmus.html" title="interface in org.apache.calcite.util">Litmus</a> litmus)</span></div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="SqlNode.html#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">SqlNode</a></code></span></div> |
| <div class="block">Returns whether this node is structurally equivalent to another node. |
| Some examples: |
| |
| <ul> |
| <li>1 + 2 is structurally equivalent to 1 + 2</li> |
| <li>1 + 2 + 3 is structurally equivalent to (1 + 2) + 3, but not to 1 + |
| (2 + 3), because the '+' operator is left-associative</li> |
| </ul></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlNode.html#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></code> in class <code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></dd> |
| </dl> |
| </section> |
| </li> |
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