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 <h2 title="Uses of Interface org.apache.calcite.util.Litmus" class="title">Uses of Interface<br>org.apache.calcite.util.Litmus</h2>
 </div>
 <div class="classUseContainer">
 <ul class="blockList">
 <li class="blockList">
 <table class="useSummary">
 <caption><span>Packages that use <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Package</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.druid">org.apache.calcite.adapter.druid</a></th>
 <td class="colLast">
 <div class="block">Query provider based on a Druid database.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <th class="colFirst" scope="row"><a href="#org.apache.calcite.materialize">org.apache.calcite.materialize</a></th>
 <td class="colLast">
 <div class="block">Management of materialized query results.</div>
 </td>
 </tr>
 <tr class="altColor">
 <th class="colFirst" scope="row"><a href="#org.apache.calcite.plan">org.apache.calcite.plan</a></th>
 <td class="colLast">
 <div class="block">Defines interfaces for constructing rule-based optimizers of
  relational expressions.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <th class="colFirst" scope="row"><a href="#org.apache.calcite.plan.volcano">org.apache.calcite.plan.volcano</a></th>
 <td class="colLast">
 <div class="block">Optimizes relational expressions.</div>
 </td>
 </tr>
 <tr class="altColor">
 <th class="colFirst" scope="row"><a href="#org.apache.calcite.rel">org.apache.calcite.rel</a></th>
 <td class="colLast">
 <div class="block">Defines relational expressions.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.core">org.apache.calcite.rel.core</a></th>
 <td class="colLast">
 <div class="block">Defines core relational expressions.</div>
 </td>
 </tr>
 <tr class="altColor">
 <th class="colFirst" scope="row"><a href="#org.apache.calcite.rex">org.apache.calcite.rex</a></th>
 <td class="colLast">
 <div class="block">Provides a language for representing row-expressions.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <th class="colFirst" scope="row"><a href="#org.apache.calcite.sql">org.apache.calcite.sql</a></th>
 <td class="colLast">
 <div class="block">Provides a SQL parser and object model.</div>
 </td>
 </tr>
 <tr class="altColor">
 <th class="colFirst" scope="row"><a href="#org.apache.calcite.sql.fun">org.apache.calcite.sql.fun</a></th>
 <td class="colLast">
 <div class="block">Defines the set of standard SQL row-level functions and
  operators.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <th class="colFirst" scope="row"><a href="#org.apache.calcite.sql2rel">org.apache.calcite.sql2rel</a></th>
 <td class="colLast">
 <div class="block">Translates a SQL parse tree to relational expression.</div>
 </td>
 </tr>
 <tr class="altColor">
 <th class="colFirst" scope="row"><a href="#org.apache.calcite.util">org.apache.calcite.util</a></th>
 <td class="colLast">
 <div class="block">Provides utility classes.</div>
 </td>
 </tr>
 </tbody>
 </table>
 </li>
 <li class="blockList">
 <ul class="blockList">
 <li class="blockList">
 <section role="region"><a id="org.apache.calcite.adapter.druid">
 <!--   -->
 </a>
 <h3>Uses of <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a> in <a href="../../adapter/druid/package-summary.html">org.apache.calcite.adapter.druid</a></h3>
 <table class="useSummary">
 <caption><span>Methods in <a href="../../adapter/druid/package-summary.html">org.apache.calcite.adapter.druid</a> with parameters of type <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colSecond" scope="col">Method</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">DruidQuery.</span><code><span class="memberNameLink"><a href="../../adapter/druid/DruidQuery.html#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">isValid</a></span>&#8203;(<a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus,
        <a href="../../rel/RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a>&nbsp;context)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 </tbody>
 </table>
 </section>
 </li>
 <li class="blockList">
 <section role="region"><a id="org.apache.calcite.materialize">
 <!--   -->
 </a>
 <h3>Uses of <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a> in <a href="../../materialize/package-summary.html">org.apache.calcite.materialize</a></h3>
 <table class="useSummary">
 <caption><span>Methods in <a href="../../materialize/package-summary.html">org.apache.calcite.materialize</a> with parameters of type <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colSecond" scope="col">Method</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>private boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">Lattice.</span><code><span class="memberNameLink"><a href="../../materialize/Lattice.html#isValid(org.apache.calcite.util.Litmus)">isValid</a></span>&#8203;(<a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>(package private) boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">LatticeRootNode.</span><code><span class="memberNameLink"><a href="../../materialize/LatticeRootNode.html#isValid(org.apache.calcite.util.Litmus)">isValid</a></span>&#8203;(<a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Validates that nodes form a tree; each node except the first references
  a predecessor.</div>
 </td>
 </tr>
 </tbody>
 </table>
 </section>
 </li>
 <li class="blockList">
 <section role="region"><a id="org.apache.calcite.plan">
 <!--   -->
 </a>
 <h3>Uses of <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a> in <a href="../../plan/package-summary.html">org.apache.calcite.plan</a></h3>
 <table class="useSummary">
 <caption><span>Methods in <a href="../../plan/package-summary.html">org.apache.calcite.plan</a> with parameters of type <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colSecond" scope="col">Method</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">RelOptUtil.</span><code><span class="memberNameLink"><a href="../../plan/RelOptUtil.html#eq(java.lang.String,org.apache.calcite.rel.type.RelDataType,java.lang.String,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.util.Litmus)">eq</a></span>&#8203;(java.lang.String&nbsp;desc1,
   <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type1,
   java.lang.String&nbsp;desc2,
   <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type2,
   <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether two types are equal using '='.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">RelOptUtil.</span><code><span class="memberNameLink"><a href="../../plan/RelOptUtil.html#equal(java.lang.String,org.apache.calcite.rel.type.RelDataType,java.lang.String,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.util.Litmus)">equal</a></span>&#8203;(java.lang.String&nbsp;desc1,
      <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type1,
      java.lang.String&nbsp;desc2,
      <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type2,
      <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether two types are equal using
  <a href="../../plan/RelOptUtil.html#areRowTypesEqual(org.apache.calcite.rel.type.RelDataType,org.apache.calcite.rel.type.RelDataType,boolean)"><code>RelOptUtil.areRowTypesEqual(RelDataType, RelDataType, boolean)</code></a>.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">RelOptUtil.</span><code><span class="memberNameLink"><a href="../../plan/RelOptUtil.html#equalType(java.lang.String,org.apache.calcite.rel.RelNode,java.lang.String,org.apache.calcite.rel.RelNode,org.apache.calcite.util.Litmus)">equalType</a></span>&#8203;(java.lang.String&nbsp;desc0,
          <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel0,
          java.lang.String&nbsp;desc1,
          <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel1,
          <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether two relational expressions have the same row-type.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">SubstitutionVisitor.</span><code><span class="memberNameLink"><a href="../../plan/SubstitutionVisitor.html#equalType(java.lang.String,org.apache.calcite.rel.mutable.MutableRel,java.lang.String,org.apache.calcite.rel.mutable.MutableRel,org.apache.calcite.util.Litmus)">equalType</a></span>&#8203;(java.lang.String&nbsp;desc0,
          <a href="../../rel/mutable/MutableRel.html" title="class in org.apache.calcite.rel.mutable">MutableRel</a>&nbsp;rel0,
          java.lang.String&nbsp;desc1,
          <a href="../../rel/mutable/MutableRel.html" title="class in org.apache.calcite.rel.mutable">MutableRel</a>&nbsp;rel1,
          <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether two relational expressions have the same row-type.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">RelOptUtil.</span><code><span class="memberNameLink"><a href="../../plan/RelOptUtil.html#notContainsCorrelation(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.core.CorrelationId,org.apache.calcite.util.Litmus)">notContainsCorrelation</a></span>&#8203;(<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;r,
                       <a href="../../rel/core/CorrelationId.html" title="class in org.apache.calcite.rel.core">CorrelationId</a>&nbsp;correlationId,
                       <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns true, and calls <a href="../Litmus.html#succeed()"><code>succeed()</code></a> if a given relational
  expression does not contain a given correlation.</div>
 </td>
 </tr>
 </tbody>
 </table>
 </section>
 </li>
 <li class="blockList">
 <section role="region"><a id="org.apache.calcite.plan.volcano">
 <!--   -->
 </a>
 <h3>Uses of <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a> in <a href="../../plan/volcano/package-summary.html">org.apache.calcite.plan.volcano</a></h3>
 <table class="useSummary">
 <caption><span>Methods in <a href="../../plan/volcano/package-summary.html">org.apache.calcite.plan.volcano</a> with parameters of type <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colSecond" scope="col">Method</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>private static &lt;E&gt;&nbsp;boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">VolcanoRuleMatch.</span><code><span class="memberNameLink"><a href="../../plan/volcano/VolcanoRuleMatch.html#allNotNull(E%5B%5D,org.apache.calcite.util.Litmus)">allNotNull</a></span>&#8203;(E[]&nbsp;es,
           <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether all elements of a given array are not-null;
  fails if any are null.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">VolcanoPlanner.</span><code><span class="memberNameLink"><a href="../../plan/volcano/VolcanoPlanner.html#isValid(org.apache.calcite.util.Litmus)">isValid</a></span>&#8203;(<a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Checks internal consistency.</div>
 </td>
 </tr>
 </tbody>
 </table>
 </section>
 </li>
 <li class="blockList">
 <section role="region"><a id="org.apache.calcite.rel">
 <!--   -->
 </a>
 <h3>Uses of <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a> in <a href="../../rel/package-summary.html">org.apache.calcite.rel</a></h3>
 <table class="useSummary">
 <caption><span>Methods in <a href="../../rel/package-summary.html">org.apache.calcite.rel</a> with parameters of type <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colSecond" scope="col">Method</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">AbstractRelNode.</span><code><span class="memberNameLink"><a href="../../rel/AbstractRelNode.html#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">isValid</a></span>&#8203;(<a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus,
        <a href="../../rel/RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a>&nbsp;context)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">RelNode.</span><code><span class="memberNameLink"><a href="../../rel/RelNode.html#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">isValid</a></span>&#8203;(<a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus,
        <a href="../../rel/RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a>&nbsp;context)</code></th>
 <td class="colLast">
 <div class="block">Returns whether this relational expression is valid.</div>
 </td>
 </tr>
 </tbody>
 </table>
 </section>
 </li>
 <li class="blockList">
 <section role="region"><a id="org.apache.calcite.rel.core">
 <!--   -->
 </a>
 <h3>Uses of <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a> in <a href="../../rel/core/package-summary.html">org.apache.calcite.rel.core</a></h3>
 <table class="useSummary">
 <caption><span>Methods in <a href="../../rel/core/package-summary.html">org.apache.calcite.rel.core</a> with parameters of type <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colSecond" scope="col">Method</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">Aggregate.</span><code><span class="memberNameLink"><a href="../../rel/core/Aggregate.html#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">isValid</a></span>&#8203;(<a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus,
        <a href="../../rel/RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a>&nbsp;context)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">Calc.</span><code><span class="memberNameLink"><a href="../../rel/core/Calc.html#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">isValid</a></span>&#8203;(<a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus,
        <a href="../../rel/RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a>&nbsp;context)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">Correlate.</span><code><span class="memberNameLink"><a href="../../rel/core/Correlate.html#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">isValid</a></span>&#8203;(<a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus,
        <a href="../../rel/RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a>&nbsp;context)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">Filter.</span><code><span class="memberNameLink"><a href="../../rel/core/Filter.html#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">isValid</a></span>&#8203;(<a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus,
        <a href="../../rel/RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a>&nbsp;context)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">Join.</span><code><span class="memberNameLink"><a href="../../rel/core/Join.html#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">isValid</a></span>&#8203;(<a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus,
        <a href="../../rel/RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a>&nbsp;context)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">Project.</span><code><span class="memberNameLink"><a href="../../rel/core/Project.html#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">isValid</a></span>&#8203;(<a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus,
        <a href="../../rel/RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a>&nbsp;context)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">Snapshot.</span><code><span class="memberNameLink"><a href="../../rel/core/Snapshot.html#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">isValid</a></span>&#8203;(<a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus,
        <a href="../../rel/RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a>&nbsp;context)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">Window.</span><code><span class="memberNameLink"><a href="../../rel/core/Window.html#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">isValid</a></span>&#8203;(<a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus,
        <a href="../../rel/RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a>&nbsp;context)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>private boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">Aggregate.</span><code><span class="memberNameLink"><a href="../../rel/core/Aggregate.html#typeMatchesInferred(org.apache.calcite.rel.core.AggregateCall,org.apache.calcite.util.Litmus)">typeMatchesInferred</a></span>&#8203;(<a href="../../rel/core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>&nbsp;aggCall,
                    <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether the inferred type of an <a href="../../rel/core/AggregateCall.html" title="class in org.apache.calcite.rel.core"><code>AggregateCall</code></a> matches the
  type it was given when it was created.</div>
 </td>
 </tr>
 </tbody>
 </table>
 </section>
 </li>
 <li class="blockList">
 <section role="region"><a id="org.apache.calcite.rex">
 <!--   -->
 </a>
 <h3>Uses of <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a> in <a href="../../rex/package-summary.html">org.apache.calcite.rex</a></h3>
 <table class="useSummary">
 <caption><span>Fields in <a href="../../rex/package-summary.html">org.apache.calcite.rex</a> declared as <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colSecond" scope="col">Field</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>protected <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a></code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">RexChecker.</span><code><span class="memberNameLink"><a href="../../rex/RexChecker.html#litmus">litmus</a></span></code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary">
 <caption><span>Methods in <a href="../../rex/package-summary.html">org.apache.calcite.rex</a> with parameters of type <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colSecond" scope="col">Method</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">RexUtil.</span><code><span class="memberNameLink"><a href="../../rex/RexUtil.html#compatibleTypes(java.util.List,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.util.Litmus)">compatibleTypes</a></span>&#8203;(java.util.List&lt;<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;exprs,
                <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type,
                <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether the type of an array of expressions is compatible with a
  struct type.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">RexUtil.</span><code><span class="memberNameLink"><a href="../../rex/RexUtil.html#containIdentity(java.util.List,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.util.Litmus)">containIdentity</a></span>&#8203;(java.util.List&lt;? extends <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;exprs,
                <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;rowType,
                <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether the leading edge of a given array of expressions is
  wholly <a href="../../rex/RexInputRef.html" title="class in org.apache.calcite.rex"><code>RexInputRef</code></a> objects with types corresponding to the
  underlying datatype.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">RexUtil.</span><code><span class="memberNameLink"><a href="../../rex/RexUtil.html#containNoCommonExprs(java.util.List,org.apache.calcite.util.Litmus)">containNoCommonExprs</a></span>&#8203;(java.util.List&lt;<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;exprs,
                     <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether an array of expressions has any common sub-expressions.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">RexUtil.</span><code><span class="memberNameLink"><a href="../../rex/RexUtil.html#containNoForwardRefs(java.util.List,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.util.Litmus)">containNoForwardRefs</a></span>&#8203;(java.util.List&lt;<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;exprs,
                     <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;inputRowType,
                     <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether an array of expressions contains no forward references.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>(package private) static boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">RexUtil.</span><code><span class="memberNameLink"><a href="../../rex/RexUtil.html#containNoNonTrivialAggs(java.util.List,org.apache.calcite.util.Litmus)">containNoNonTrivialAggs</a></span>&#8203;(java.util.List&lt;<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;exprs,
                        <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether an array of exp contains no aggregate function calls whose
  arguments are not <a href="../../rex/RexInputRef.html" title="class in org.apache.calcite.rex"><code>RexInputRef</code></a>s.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">RexProgram.</span><code><span class="memberNameLink"><a href="../../rex/RexProgram.html#isNormalized(org.apache.calcite.util.Litmus,org.apache.calcite.rex.RexBuilder)">isNormalized</a></span>&#8203;(<a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus,
             <a href="../../rex/RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder)</code></th>
 <td class="colLast">
 <div class="block">Returns whether this program is in canonical form.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">RexProgram.</span><code><span class="memberNameLink"><a href="../../rex/RexProgram.html#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">isValid</a></span>&#8203;(<a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus,
        <a href="../../rel/RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a>&nbsp;context)</code></th>
 <td class="colLast">
 <div class="block">Checks that this program is valid.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">RexLiteral.</span><code><span class="memberNameLink"><a href="../../rex/RexLiteral.html#validConstant(java.lang.Object,org.apache.calcite.util.Litmus)">validConstant</a></span>&#8203;(java.lang.Object&nbsp;o,
              <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether a value is valid as a constant value, using the same
  criteria as <a href="../../rex/RexLiteral.html#valueMatchesType(java.lang.Comparable,org.apache.calcite.sql.type.SqlTypeName,boolean)"><code>RexLiteral.valueMatchesType(java.lang.Comparable, org.apache.calcite.sql.type.SqlTypeName, boolean)</code></a>.</div>
 </td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary">
 <caption><span>Constructors in <a href="../../rex/package-summary.html">org.apache.calcite.rex</a> with parameters of type <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Constructor</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../rex/RexProgram.Checker.html#%3Cinit%3E(org.apache.calcite.rel.type.RelDataType,java.util.List,org.apache.calcite.rel.RelNode.Context,org.apache.calcite.util.Litmus)">Checker</a></span>&#8203;(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;inputRowType,
        java.util.List&lt;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;&nbsp;internalExprTypeList,
        <a href="../../rel/RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a>&nbsp;context,
        <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Creates a Checker.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../rex/RexChecker.html#%3Cinit%3E(java.util.List,org.apache.calcite.rel.RelNode.Context,org.apache.calcite.util.Litmus)">RexChecker</a></span>&#8203;(java.util.List&lt;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;&nbsp;inputTypeList,
           <a href="../../rel/RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a>&nbsp;context,
           <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Creates a RexChecker with a given set of input fields.</div>
 </td>
 </tr>
 <tr class="altColor">
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../rex/RexChecker.html#%3Cinit%3E(org.apache.calcite.rel.type.RelDataType,org.apache.calcite.rel.RelNode.Context,org.apache.calcite.util.Litmus)">RexChecker</a></span>&#8203;(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;inputRowType,
           <a href="../../rel/RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a>&nbsp;context,
           <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Creates a RexChecker with a given input row type.</div>
 </td>
 </tr>
 </tbody>
 </table>
 </section>
 </li>
 <li class="blockList">
 <section role="region"><a id="org.apache.calcite.sql">
 <!--   -->
 </a>
 <h3>Uses of <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a> in <a href="../../sql/package-summary.html">org.apache.calcite.sql</a></h3>
 <table class="useSummary">
 <caption><span>Methods in <a href="../../sql/package-summary.html">org.apache.calcite.sql</a> with parameters of type <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colSecond" scope="col">Method</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">SqlNode.</span><code><span class="memberNameLink"><a href="../../sql/SqlNode.html#equalDeep(java.util.List,java.util.List,org.apache.calcite.util.Litmus)">equalDeep</a></span>&#8203;(java.util.List&lt;<a href="../../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&gt;&nbsp;operands0,
          java.util.List&lt;<a href="../../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&gt;&nbsp;operands1,
          <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether two lists of operands are equal.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">SqlNode.</span><code><span class="memberNameLink"><a href="../../sql/SqlNode.html#equalDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalDeep</a></span>&#8203;(<a href="../../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node1,
          <a href="../../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node2,
          <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether two nodes are equal (using
  <a href="../../sql/SqlNode.html#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)"><code>SqlNode.equalsDeep(SqlNode, Litmus)</code></a>) or are both null.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">SqlCall.</span><code><span class="memberNameLink"><a href="../../sql/SqlCall.html#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></span>&#8203;(<a href="../../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
           <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">SqlDataTypeSpec.</span><code><span class="memberNameLink"><a href="../../sql/SqlDataTypeSpec.html#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></span>&#8203;(<a href="../../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
           <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">SqlDynamicParam.</span><code><span class="memberNameLink"><a href="../../sql/SqlDynamicParam.html#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></span>&#8203;(<a href="../../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
           <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">SqlIdentifier.</span><code><span class="memberNameLink"><a href="../../sql/SqlIdentifier.html#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></span>&#8203;(<a href="../../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
           <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">SqlIntervalQualifier.</span><code><span class="memberNameLink"><a href="../../sql/SqlIntervalQualifier.html#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></span>&#8203;(<a href="../../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
           <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">SqlLiteral.</span><code><span class="memberNameLink"><a href="../../sql/SqlLiteral.html#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></span>&#8203;(<a href="../../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
           <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>abstract boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">SqlNode.</span><code><span class="memberNameLink"><a href="../../sql/SqlNode.html#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></span>&#8203;(<a href="../../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
           <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;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">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">SqlNodeList.</span><code><span class="memberNameLink"><a href="../../sql/SqlNodeList.html#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></span>&#8203;(<a href="../../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
           <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">SqlWindow.</span><code><span class="memberNameLink"><a href="../../sql/SqlWindow.html#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></span>&#8203;(<a href="../../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
           <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Overridden method to specifically check only the right subtree of a window
  definition.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">SqlBinaryOperator.</span><code><span class="memberNameLink"><a href="../../sql/SqlBinaryOperator.html#validRexOperands(int,org.apache.calcite.util.Litmus)">validRexOperands</a></span>&#8203;(int&nbsp;count,
                 <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">SqlOperator.</span><code><span class="memberNameLink"><a href="../../sql/SqlOperator.html#validRexOperands(int,org.apache.calcite.util.Litmus)">validRexOperands</a></span>&#8203;(int&nbsp;count,
                 <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether the given operands are valid.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><span class="typeNameLabel">SqlPostfixOperator.</span><code><span class="memberNameLink"><a href="../../sql/SqlPostfixOperator.html#validRexOperands(int,org.apache.calcite.util.Litmus)">validRexOperands</a></span>&#8203;(int&nbsp;count,
                 <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>boolean</code></td>
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 <h3>Uses of <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a> in <a href="../../sql2rel/package-summary.html">org.apache.calcite.sql2rel</a></h3>
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 <caption><span>Methods in <a href="../../sql2rel/package-summary.html">org.apache.calcite.sql2rel</a> with parameters of type <a href="../Litmus.html" title="interface in org.apache.calcite.util">Litmus</a></span><span class="tabEnd">&nbsp;</span></caption>
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 <th class="colFirst" scope="col">Modifier and Type</th>
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