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| Apache Lucene.NET 4.8.0-beta00013 Documentation </title>
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<article class="content wrap" id="_content" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode">
<h1 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode" class="text-break">Class QueryNode
</h1>
<div class="markdown level0 summary"><p>A <a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.html">QueryNode</a> is the default implementation of the interface
<a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode.html">IQueryNode</a></p>
</div>
<div class="markdown level0 conceptual"></div>
<div class="inheritance">
<h5>Inheritance</h5>
<div class="level0"><span class="xref">System.Object</span></div>
<div class="level1"><span class="xref">QueryNode</span></div>
<div class="level2"><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.BooleanQueryNode.html">BooleanQueryNode</a></div>
<div class="level2"><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.BoostQueryNode.html">BoostQueryNode</a></div>
<div class="level2"><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.DeletedQueryNode.html">DeletedQueryNode</a></div>
<div class="level2"><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.FieldQueryNode.html">FieldQueryNode</a></div>
<div class="level2"><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.GroupQueryNode.html">GroupQueryNode</a></div>
<div class="level2"><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.MatchAllDocsQueryNode.html">MatchAllDocsQueryNode</a></div>
<div class="level2"><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.ModifierQueryNode.html">ModifierQueryNode</a></div>
<div class="level2"><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.OpaqueQueryNode.html">OpaqueQueryNode</a></div>
<div class="level2"><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.PathQueryNode.html">PathQueryNode</a></div>
<div class="level2"><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.PhraseSlopQueryNode.html">PhraseSlopQueryNode</a></div>
<div class="level2"><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.SlopQueryNode.html">SlopQueryNode</a></div>
<div class="level2"><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.TokenizedPhraseQueryNode.html">TokenizedPhraseQueryNode</a></div>
<div class="level2"><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Standard.Nodes.AbstractRangeQueryNode-1.html">AbstractRangeQueryNode&lt;T&gt;</a></div>
<div class="level2"><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Standard.Nodes.MultiPhraseQueryNode.html">MultiPhraseQueryNode</a></div>
<div class="level2"><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Standard.Nodes.NumericQueryNode.html">NumericQueryNode</a></div>
<div class="level2"><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Standard.Nodes.RegexpQueryNode.html">RegexpQueryNode</a></div>
</div>
<div classs="implements">
<h5>Implements</h5>
<div><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode.html">IQueryNode</a></div>
</div>
<div class="inheritedMembers">
<h5>Inherited Members</h5>
<div>
<span class="xref">System.Object.Equals(System.Object)</span>
</div>
<div>
<span class="xref">System.Object.Equals(System.Object, System.Object)</span>
</div>
<div>
<span class="xref">System.Object.GetHashCode()</span>
</div>
<div>
<span class="xref">System.Object.GetType()</span>
</div>
<div>
<span class="xref">System.Object.MemberwiseClone()</span>
</div>
<div>
<span class="xref">System.Object.ReferenceEquals(System.Object, System.Object)</span>
</div>
</div>
<h6><strong>Namespace</strong>: <a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.html">Lucene.Net.QueryParsers.Flexible.Core.Nodes</a></h6>
<h6><strong>Assembly</strong>: Lucene.Net.QueryParser.dll</h6>
<h5 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_syntax">Syntax</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public abstract class QueryNode : IQueryNode</code></pre>
</div>
<h3 id="fields">Fields
</h3>
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<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_m_toQueryStringIgnoreFields" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.m_toQueryStringIgnoreFields">m_toQueryStringIgnoreFields</h4>
<div class="markdown level1 summary"><p>If set to true the the method toQueryString will not write field names</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">protected bool m_toQueryStringIgnoreFields</code></pre>
</div>
<h5 class="fieldValue">Field Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_PLAINTEXT_FIELD_NAME" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.PLAINTEXT_FIELD_NAME">PLAINTEXT_FIELD_NAME</h4>
<div class="markdown level1 summary"><p>index default field</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static readonly string PLAINTEXT_FIELD_NAME</code></pre>
</div>
<h5 class="fieldValue">Field Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="properties">Properties
</h3>
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<a id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_IsLeaf_" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.IsLeaf*"></a>
<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_IsLeaf" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.IsLeaf">IsLeaf</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual bool IsLeaf { get; protected set; }</code></pre>
</div>
<h5 class="propertyValue">Property Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_IsRoot_" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.IsRoot*"></a>
<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_IsRoot" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.IsRoot">IsRoot</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">protected virtual bool IsRoot { get; }</code></pre>
</div>
<h5 class="propertyValue">Property Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_Parent" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.Parent">Parent</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual IQueryNode Parent { get; }</code></pre>
</div>
<h5 class="propertyValue">Property Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode.html">IQueryNode</a></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_TagMap" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.TagMap">TagMap</h4>
<div class="markdown level1 summary"><p>Gets a map containing all tags attached to this query node.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual IDictionary&lt;string, object&gt; TagMap { get; }</code></pre>
</div>
<h5 class="propertyValue">Property Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.IDictionary</span>&lt;<span class="xref">System.String</span>, <span class="xref">System.Object</span>&gt;</td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="methods">Methods
</h3>
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<a id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_Add_" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.Add*"></a>
<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_Add_Lucene_Net_QueryParsers_Flexible_Core_Nodes_IQueryNode_" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.Add(Lucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode)">Add(IQueryNode)</h4>
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<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void Add(IQueryNode child)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode.html">IQueryNode</a></td>
<td><span class="parametername">child</span></td>
<td></td>
</tr>
</tbody>
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<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_Add_System_Collections_Generic_IList_Lucene_Net_QueryParsers_Flexible_Core_Nodes_IQueryNode__" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.Add(System.Collections.Generic.IList{Lucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode})">Add(IList&lt;IQueryNode&gt;)</h4>
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<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void Add(IList&lt;IQueryNode&gt; children)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.IList</span>&lt;<a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode.html">IQueryNode</a>&gt;</td>
<td><span class="parametername">children</span></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_Allocate_" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.Allocate*"></a>
<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_Allocate" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.Allocate">Allocate()</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">protected virtual void Allocate()</code></pre>
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<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_Clone" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.Clone">Clone()</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual object Clone()</code></pre>
</div>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Object</span></td>
<td></td>
</tr>
</tbody>
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<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_CloneTree" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.CloneTree">CloneTree()</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual IQueryNode CloneTree()</code></pre>
</div>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode.html">IQueryNode</a></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_ContainsTag_" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.ContainsTag*"></a>
<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_ContainsTag_System_String_" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.ContainsTag(System.String)">ContainsTag(String)</h4>
<div class="markdown level1 summary"><p>verify if a node contains a tag</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual bool ContainsTag(string tagName)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><span class="parametername">tagName</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_GetChildren" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.GetChildren">GetChildren()</h4>
<div class="markdown level1 summary"><p>a List for QueryNode object. Returns null, for nodes that do not
contain children. All leaf Nodes return null.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public IList&lt;IQueryNode&gt; GetChildren()</code></pre>
</div>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.IList</span>&lt;<a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode.html">IQueryNode</a>&gt;</td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_GetTag_System_String_" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.GetTag(System.String)">GetTag(String)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual object GetTag(string tagName)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><span class="parametername">tagName</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Object</span></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_IsDefaultField_System_String_" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.IsDefaultField(System.String)">IsDefaultField(String)</h4>
<div class="markdown level1 summary"><p>This method is use toQueryString to detect if fld is the default field</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">protected virtual bool IsDefaultField(string fld)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><span class="parametername">fld</span></td>
<td><p>field name</p>
</td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td><p>true if fld is the default field</p>
</td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_RemoveFromParent" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.RemoveFromParent">RemoveFromParent()</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual void RemoveFromParent()</code></pre>
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<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_Set_System_Collections_Generic_IList_Lucene_Net_QueryParsers_Flexible_Core_Nodes_IQueryNode__" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.Set(System.Collections.Generic.IList{Lucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode})">Set(IList&lt;IQueryNode&gt;)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void Set(IList&lt;IQueryNode&gt; children)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.IList</span>&lt;<a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode.html">IQueryNode</a>&gt;</td>
<td><span class="parametername">children</span></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_SetTag_" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.SetTag*"></a>
<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_SetTag_System_String_System_Object_" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.SetTag(System.String,System.Object)">SetTag(String, Object)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual void SetTag(string tagName, object value)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><span class="parametername">tagName</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Object</span></td>
<td><span class="parametername">value</span></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_ToQueryString_Lucene_Net_QueryParsers_Flexible_Core_Parser_IEscapeQuerySyntax_" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.ToQueryString(Lucene.Net.QueryParsers.Flexible.Core.Parser.IEscapeQuerySyntax)">ToQueryString(IEscapeQuerySyntax)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public abstract string ToQueryString(IEscapeQuerySyntax escapeSyntaxParser)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Parser.IEscapeQuerySyntax.html">IEscapeQuerySyntax</a></td>
<td><span class="parametername">escapeSyntaxParser</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td></td>
</tr>
</tbody>
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<a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00013/websites/apidocs/apiSpec/new?filename=Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_ToString.md&amp;value=---%0Auid%3A%20Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.ToString%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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<a id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_ToString_" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.ToString*"></a>
<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_ToString" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.ToString">ToString()</h4>
<div class="markdown level1 summary"><p>Every implementation of this class should return pseudo xml like this:</p>
<p>For FieldQueryNode: &lt;field start=&apos;1&apos; end=&apos;2&apos; field=&apos;subject&apos; text=&apos;foo&apos;/&gt;</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override string ToString()</code></pre>
</div>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
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<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><span class="xref">System.Object.ToString()</span></div>
<h5 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_ToString_seealso">See Also</h5>
<div class="seealso">
<div><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode.html#Lucene_Net_QueryParsers_Flexible_Core_Nodes_IQueryNode_ToString">ToString</a>()</div>
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<a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00013/websites/apidocs/apiSpec/new?filename=Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_UnsetTag_System_String_.md&amp;value=---%0Auid%3A%20Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.UnsetTag(System.String)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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<a id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_UnsetTag_" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.UnsetTag*"></a>
<h4 id="Lucene_Net_QueryParsers_Flexible_Core_Nodes_QueryNode_UnsetTag_System_String_" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Nodes.QueryNode.UnsetTag(System.String)">UnsetTag(String)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual void UnsetTag(string tagName)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><span class="parametername">tagName</span></td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="implements">Implements</h3>
<div>
<a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode.html">IQueryNode</a>
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