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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.linq4j.tree</a></div>
 <h1 title="Interface Visitor" class="title">Interface Visitor&lt;R&gt;</h1>
 </div>
 <section class="class-description" id="class-description">
 <dl class="notes">
 <dt>Type Parameters:</dt>
 <dd><code>R</code> - Return type</dd>
 </dl>
 <dl class="notes">
 <dt>All Known Implementing Classes:</dt>
 <dd><code><a href="VisitorImpl.html" title="class in org.apache.calcite.linq4j.tree">VisitorImpl</a></code></dd>
 </dl>
 <hr>
 <div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">Visitor&lt;R&gt;</span></div>
 <div class="block">Node visitor.</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- ========== METHOD SUMMARY =========== -->
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 <section class="method-summary" id="method-summary">
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 <div class="table-header col-first">Modifier and Type</div>
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 <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-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.BinaryExpression)" class="member-name-link">visit</a><wbr>(<a href="BinaryExpression.html" title="class in org.apache.calcite.linq4j.tree">BinaryExpression</a>&nbsp;binaryExpression)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.BlockStatement)" class="member-name-link">visit</a><wbr>(<a href="BlockStatement.html" title="class in org.apache.calcite.linq4j.tree">BlockStatement</a>&nbsp;blockStatement)</code></div>
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 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.ClassDeclaration)" class="member-name-link">visit</a><wbr>(<a href="ClassDeclaration.html" title="class in org.apache.calcite.linq4j.tree">ClassDeclaration</a>&nbsp;classDeclaration)</code></div>
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 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.ConditionalExpression)" class="member-name-link">visit</a><wbr>(<a href="ConditionalExpression.html" title="class in org.apache.calcite.linq4j.tree">ConditionalExpression</a>&nbsp;conditionalExpression)</code></div>
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 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.ConditionalStatement)" class="member-name-link">visit</a><wbr>(<a href="ConditionalStatement.html" title="class in org.apache.calcite.linq4j.tree">ConditionalStatement</a>&nbsp;conditionalStatement)</code></div>
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 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.ConstantExpression)" class="member-name-link">visit</a><wbr>(<a href="ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a>&nbsp;constantExpression)</code></div>
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 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.ConstructorDeclaration)" class="member-name-link">visit</a><wbr>(<a href="ConstructorDeclaration.html" title="class in org.apache.calcite.linq4j.tree">ConstructorDeclaration</a>&nbsp;constructorDeclaration)</code></div>
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 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.DeclarationStatement)" class="member-name-link">visit</a><wbr>(<a href="DeclarationStatement.html" title="class in org.apache.calcite.linq4j.tree">DeclarationStatement</a>&nbsp;declarationStatement)</code></div>
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 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.DefaultExpression)" class="member-name-link">visit</a><wbr>(<a href="DefaultExpression.html" title="class in org.apache.calcite.linq4j.tree">DefaultExpression</a>&nbsp;defaultExpression)</code></div>
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 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.DynamicExpression)" class="member-name-link">visit</a><wbr>(<a href="DynamicExpression.html" title="class in org.apache.calcite.linq4j.tree">DynamicExpression</a>&nbsp;dynamicExpression)</code></div>
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 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.FieldDeclaration)" class="member-name-link">visit</a><wbr>(<a href="FieldDeclaration.html" title="class in org.apache.calcite.linq4j.tree">FieldDeclaration</a>&nbsp;fieldDeclaration)</code></div>
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 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.ForEachStatement)" class="member-name-link">visit</a><wbr>(<a href="ForEachStatement.html" title="class in org.apache.calcite.linq4j.tree">ForEachStatement</a>&nbsp;forEachStatement)</code></div>
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 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.ForStatement)" class="member-name-link">visit</a><wbr>(<a href="ForStatement.html" title="class in org.apache.calcite.linq4j.tree">ForStatement</a>&nbsp;forStatement)</code></div>
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 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.FunctionExpression)" class="member-name-link">visit</a><wbr>(<a href="FunctionExpression.html" title="class in org.apache.calcite.linq4j.tree">FunctionExpression</a>&nbsp;functionExpression)</code></div>
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 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.GotoStatement)" class="member-name-link">visit</a><wbr>(<a href="GotoStatement.html" title="class in org.apache.calcite.linq4j.tree">GotoStatement</a>&nbsp;gotoStatement)</code></div>
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 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.IndexExpression)" class="member-name-link">visit</a><wbr>(<a href="IndexExpression.html" title="class in org.apache.calcite.linq4j.tree">IndexExpression</a>&nbsp;indexExpression)</code></div>
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 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.InvocationExpression)" class="member-name-link">visit</a><wbr>(<a href="InvocationExpression.html" title="class in org.apache.calcite.linq4j.tree">InvocationExpression</a>&nbsp;invocationExpression)</code></div>
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 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.LabelStatement)" class="member-name-link">visit</a><wbr>(<a href="LabelStatement.html" title="class in org.apache.calcite.linq4j.tree">LabelStatement</a>&nbsp;labelStatement)</code></div>
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 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.LambdaExpression)" class="member-name-link">visit</a><wbr>(<a href="LambdaExpression.html" title="class in org.apache.calcite.linq4j.tree">LambdaExpression</a>&nbsp;lambdaExpression)</code></div>
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 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.ListInitExpression)" class="member-name-link">visit</a><wbr>(<a href="ListInitExpression.html" title="class in org.apache.calcite.linq4j.tree">ListInitExpression</a>&nbsp;listInitExpression)</code></div>
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 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.MemberExpression)" class="member-name-link">visit</a><wbr>(<a href="MemberExpression.html" title="class in org.apache.calcite.linq4j.tree">MemberExpression</a>&nbsp;memberExpression)</code></div>
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 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.MemberInitExpression)" class="member-name-link">visit</a><wbr>(<a href="MemberInitExpression.html" title="class in org.apache.calcite.linq4j.tree">MemberInitExpression</a>&nbsp;memberInitExpression)</code></div>
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 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.MethodCallExpression)" class="member-name-link">visit</a><wbr>(<a href="MethodCallExpression.html" title="class in org.apache.calcite.linq4j.tree">MethodCallExpression</a>&nbsp;methodCallExpression)</code></div>
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 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.MethodDeclaration)" class="member-name-link">visit</a><wbr>(<a href="MethodDeclaration.html" title="class in org.apache.calcite.linq4j.tree">MethodDeclaration</a>&nbsp;methodDeclaration)</code></div>
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 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.NewArrayExpression)" class="member-name-link">visit</a><wbr>(<a href="NewArrayExpression.html" title="class in org.apache.calcite.linq4j.tree">NewArrayExpression</a>&nbsp;newArrayExpression)</code></div>
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 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
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 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.TernaryExpression)" class="member-name-link">visit</a><wbr>(<a href="TernaryExpression.html" title="class in org.apache.calcite.linq4j.tree">TernaryExpression</a>&nbsp;ternaryExpression)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.ThrowStatement)" class="member-name-link">visit</a><wbr>(<a href="ThrowStatement.html" title="class in org.apache.calcite.linq4j.tree">ThrowStatement</a>&nbsp;throwStatement)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.TryStatement)" class="member-name-link">visit</a><wbr>(<a href="TryStatement.html" title="class in org.apache.calcite.linq4j.tree">TryStatement</a>&nbsp;tryStatement)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.TypeBinaryExpression)" class="member-name-link">visit</a><wbr>(<a href="TypeBinaryExpression.html" title="class in org.apache.calcite.linq4j.tree">TypeBinaryExpression</a>&nbsp;typeBinaryExpression)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.UnaryExpression)" class="member-name-link">visit</a><wbr>(<a href="UnaryExpression.html" title="class in org.apache.calcite.linq4j.tree">UnaryExpression</a>&nbsp;unaryExpression)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Visitor.html" title="type parameter in Visitor">R</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#visit(org.apache.calcite.linq4j.tree.WhileStatement)" class="member-name-link">visit</a><wbr>(<a href="WhileStatement.html" title="class in org.apache.calcite.linq4j.tree">WhileStatement</a>&nbsp;whileStatement)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">&nbsp;</div>
 </div>
 </div>
 </div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.BinaryExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="BinaryExpression.html" title="class in org.apache.calcite.linq4j.tree">BinaryExpression</a>&nbsp;binaryExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.BlockStatement)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="BlockStatement.html" title="class in org.apache.calcite.linq4j.tree">BlockStatement</a>&nbsp;blockStatement)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.ClassDeclaration)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="ClassDeclaration.html" title="class in org.apache.calcite.linq4j.tree">ClassDeclaration</a>&nbsp;classDeclaration)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.ConditionalExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="ConditionalExpression.html" title="class in org.apache.calcite.linq4j.tree">ConditionalExpression</a>&nbsp;conditionalExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.ConditionalStatement)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="ConditionalStatement.html" title="class in org.apache.calcite.linq4j.tree">ConditionalStatement</a>&nbsp;conditionalStatement)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.ConstantExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a>&nbsp;constantExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.ConstructorDeclaration)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="ConstructorDeclaration.html" title="class in org.apache.calcite.linq4j.tree">ConstructorDeclaration</a>&nbsp;constructorDeclaration)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.DeclarationStatement)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="DeclarationStatement.html" title="class in org.apache.calcite.linq4j.tree">DeclarationStatement</a>&nbsp;declarationStatement)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.DefaultExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="DefaultExpression.html" title="class in org.apache.calcite.linq4j.tree">DefaultExpression</a>&nbsp;defaultExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.DynamicExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="DynamicExpression.html" title="class in org.apache.calcite.linq4j.tree">DynamicExpression</a>&nbsp;dynamicExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.FieldDeclaration)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="FieldDeclaration.html" title="class in org.apache.calcite.linq4j.tree">FieldDeclaration</a>&nbsp;fieldDeclaration)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.ForStatement)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="ForStatement.html" title="class in org.apache.calcite.linq4j.tree">ForStatement</a>&nbsp;forStatement)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.ForEachStatement)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="ForEachStatement.html" title="class in org.apache.calcite.linq4j.tree">ForEachStatement</a>&nbsp;forEachStatement)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.FunctionExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="FunctionExpression.html" title="class in org.apache.calcite.linq4j.tree">FunctionExpression</a>&nbsp;functionExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.GotoStatement)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="GotoStatement.html" title="class in org.apache.calcite.linq4j.tree">GotoStatement</a>&nbsp;gotoStatement)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.IndexExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="IndexExpression.html" title="class in org.apache.calcite.linq4j.tree">IndexExpression</a>&nbsp;indexExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.InvocationExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="InvocationExpression.html" title="class in org.apache.calcite.linq4j.tree">InvocationExpression</a>&nbsp;invocationExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.LabelStatement)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="LabelStatement.html" title="class in org.apache.calcite.linq4j.tree">LabelStatement</a>&nbsp;labelStatement)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.LambdaExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="LambdaExpression.html" title="class in org.apache.calcite.linq4j.tree">LambdaExpression</a>&nbsp;lambdaExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.ListInitExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="ListInitExpression.html" title="class in org.apache.calcite.linq4j.tree">ListInitExpression</a>&nbsp;listInitExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.MemberExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="MemberExpression.html" title="class in org.apache.calcite.linq4j.tree">MemberExpression</a>&nbsp;memberExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.MemberInitExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="MemberInitExpression.html" title="class in org.apache.calcite.linq4j.tree">MemberInitExpression</a>&nbsp;memberInitExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.MethodCallExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="MethodCallExpression.html" title="class in org.apache.calcite.linq4j.tree">MethodCallExpression</a>&nbsp;methodCallExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.MethodDeclaration)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="MethodDeclaration.html" title="class in org.apache.calcite.linq4j.tree">MethodDeclaration</a>&nbsp;methodDeclaration)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.NewArrayExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="NewArrayExpression.html" title="class in org.apache.calcite.linq4j.tree">NewArrayExpression</a>&nbsp;newArrayExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.NewExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="NewExpression.html" title="class in org.apache.calcite.linq4j.tree">NewExpression</a>&nbsp;newExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.ParameterExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="ParameterExpression.html" title="class in org.apache.calcite.linq4j.tree">ParameterExpression</a>&nbsp;parameterExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.SwitchStatement)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="SwitchStatement.html" title="class in org.apache.calcite.linq4j.tree">SwitchStatement</a>&nbsp;switchStatement)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.TernaryExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="TernaryExpression.html" title="class in org.apache.calcite.linq4j.tree">TernaryExpression</a>&nbsp;ternaryExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.ThrowStatement)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="ThrowStatement.html" title="class in org.apache.calcite.linq4j.tree">ThrowStatement</a>&nbsp;throwStatement)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.TryStatement)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="TryStatement.html" title="class in org.apache.calcite.linq4j.tree">TryStatement</a>&nbsp;tryStatement)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.TypeBinaryExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="TypeBinaryExpression.html" title="class in org.apache.calcite.linq4j.tree">TypeBinaryExpression</a>&nbsp;typeBinaryExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.UnaryExpression)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="UnaryExpression.html" title="class in org.apache.calcite.linq4j.tree">UnaryExpression</a>&nbsp;unaryExpression)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="visit(org.apache.calcite.linq4j.tree.WhileStatement)">
 <h3>visit</h3>
 <div class="member-signature"><span class="return-type"><a href="Visitor.html" title="type parameter in Visitor">R</a></span>&nbsp;<span class="element-name">visit</span><wbr><span class="parameters">(<a href="WhileStatement.html" title="class in org.apache.calcite.linq4j.tree">WhileStatement</a>&nbsp;whileStatement)</span></div>
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