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<title>Class DirectedCollectionValueBase&lt;T&gt;
| Apache Lucene.NET 4.8.0 Documentation </title>
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| Apache Lucene.NET 4.8.0 Documentation ">
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<h1 id="Lucene_Net_Support_C5_DirectedCollectionValueBase_1" data-uid="Lucene.Net.Support.C5.DirectedCollectionValueBase`1" class="text-break">Class DirectedCollectionValueBase&lt;T&gt;
</h1>
<div class="markdown level0 summary"></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"><a class="xref" href="Lucene.Net.Support.C5.EnumerableBase-1.html">EnumerableBase</a>&lt;T&gt;</div>
<div class="level2"><a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html">CollectionValueBase</a>&lt;T&gt;</div>
<div class="level3"><span class="xref">DirectedCollectionValueBase&lt;T&gt;</span></div>
</div>
<div classs="implements">
<h5>Implements</h5>
<div><a class="xref" href="Lucene.Net.Support.C5.IDirectedCollectionValue-1.html">IDirectedCollectionValue</a>&lt;T&gt;</div>
<div><a class="xref" href="Lucene.Net.Support.C5.ICollectionValue-1.html">ICollectionValue</a>&lt;T&gt;</div>
<div><a class="xref" href="Lucene.Net.Support.C5.IShowable.html">IShowable</a></div>
<div><span class="xref">System.IFormattable</span></div>
<div><a class="xref" href="Lucene.Net.Support.C5.IDirectedEnumerable-1.html">IDirectedEnumerable</a>&lt;T&gt;</div>
<div><span class="xref">System.Collections.Generic.IEnumerable</span>&lt;T&gt;</div>
<div><span class="xref">System.Collections.IEnumerable</span></div>
</div>
<div class="inheritedMembers">
<h5>Inherited Members</h5>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_ListenableEvents">CollectionValueBase&lt;T&gt;.ListenableEvents</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_ActiveEvents">CollectionValueBase&lt;T&gt;.ActiveEvents</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_CollectionChanged">CollectionValueBase&lt;T&gt;.CollectionChanged</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_raiseCollectionChanged">CollectionValueBase&lt;T&gt;.raiseCollectionChanged()</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_CollectionCleared">CollectionValueBase&lt;T&gt;.CollectionCleared</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_raiseCollectionCleared_System_Boolean_System_Int32_">CollectionValueBase&lt;T&gt;.raiseCollectionCleared(Boolean, Int32)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_raiseCollectionCleared_System_Boolean_System_Int32_System_Nullable_System_Int32__">CollectionValueBase&lt;T&gt;.raiseCollectionCleared(Boolean, Int32, Nullable&lt;Int32&gt;)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_ItemsAdded">CollectionValueBase&lt;T&gt;.ItemsAdded</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_raiseItemsAdded__0_System_Int32_">CollectionValueBase&lt;T&gt;.raiseItemsAdded(T, Int32)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_ItemsRemoved">CollectionValueBase&lt;T&gt;.ItemsRemoved</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_raiseItemsRemoved__0_System_Int32_">CollectionValueBase&lt;T&gt;.raiseItemsRemoved(T, Int32)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_ItemInserted">CollectionValueBase&lt;T&gt;.ItemInserted</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_raiseItemInserted__0_System_Int32_">CollectionValueBase&lt;T&gt;.raiseItemInserted(T, Int32)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_ItemRemovedAt">CollectionValueBase&lt;T&gt;.ItemRemovedAt</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_raiseItemRemovedAt__0_System_Int32_">CollectionValueBase&lt;T&gt;.raiseItemRemovedAt(T, Int32)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_raiseForSetThis_System_Int32__0__0_">CollectionValueBase&lt;T&gt;.raiseForSetThis(Int32, T, T)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_raiseForInsert_System_Int32__0_">CollectionValueBase&lt;T&gt;.raiseForInsert(Int32, T)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_raiseForRemove__0_">CollectionValueBase&lt;T&gt;.raiseForRemove(T)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_raiseForRemove__0_System_Int32_">CollectionValueBase&lt;T&gt;.raiseForRemove(T, Int32)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_raiseForRemoveAt_System_Int32__0_">CollectionValueBase&lt;T&gt;.raiseForRemoveAt(Int32, T)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_raiseForUpdate__0__0_">CollectionValueBase&lt;T&gt;.raiseForUpdate(T, T)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_raiseForUpdate__0__0_System_Int32_">CollectionValueBase&lt;T&gt;.raiseForUpdate(T, T, Int32)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_raiseForAdd__0_">CollectionValueBase&lt;T&gt;.raiseForAdd(T)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_raiseForRemoveAll_Lucene_Net_Support_C5_ICollectionValue__0__">CollectionValueBase&lt;T&gt;.raiseForRemoveAll(ICollectionValue&lt;T&gt;)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_IsEmpty">CollectionValueBase&lt;T&gt;.IsEmpty</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_Count">CollectionValueBase&lt;T&gt;.Count</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_CountSpeed">CollectionValueBase&lt;T&gt;.CountSpeed</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_CopyTo__0___System_Int32_">CollectionValueBase&lt;T&gt;.CopyTo(T[], Int32)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_ToArray">CollectionValueBase&lt;T&gt;.ToArray()</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_Apply_System_Action__0__">CollectionValueBase&lt;T&gt;.Apply(Action&lt;T&gt;)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_Exists_System_Func__0_System_Boolean__">CollectionValueBase&lt;T&gt;.Exists(Func&lt;T, Boolean&gt;)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_Find_System_Func__0_System_Boolean___0__">CollectionValueBase&lt;T&gt;.Find(Func&lt;T, Boolean&gt;, T)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_All_System_Func__0_System_Boolean__">CollectionValueBase&lt;T&gt;.All(Func&lt;T, Boolean&gt;)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_Filter_System_Func__0_System_Boolean__">CollectionValueBase&lt;T&gt;.Filter(Func&lt;T, Boolean&gt;)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_Choose">CollectionValueBase&lt;T&gt;.Choose()</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_Show_System_Text_StringBuilder_System_Int32__System_IFormatProvider_">CollectionValueBase&lt;T&gt;.Show(StringBuilder, Int32, IFormatProvider)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_ToString_System_String_System_IFormatProvider_">CollectionValueBase&lt;T&gt;.ToString(String, IFormatProvider)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.CollectionValueBase-1.html#Lucene_Net_Support_C5_CollectionValueBase_1_ToString">CollectionValueBase&lt;T&gt;.ToString()</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.EnumerableBase-1.html#Lucene_Net_Support_C5_EnumerableBase_1_GetEnumerator">EnumerableBase&lt;T&gt;.GetEnumerator()</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.EnumerableBase-1.html#Lucene_Net_Support_C5_EnumerableBase_1_countItems_System_Collections_Generic_IEnumerable__0__">EnumerableBase&lt;T&gt;.countItems(IEnumerable&lt;T&gt;)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.EnumerableBase-1.html#Lucene_Net_Support_C5_EnumerableBase_1_System_Collections_IEnumerable_GetEnumerator">EnumerableBase&lt;T&gt;.IEnumerable.GetEnumerator()</a>
</div>
<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.Support.C5.html">Lucene.Net.Support.C5</a></h6>
<h6><strong>Assembly</strong>: Lucene.Net.dll</h6>
<h5 id="Lucene_Net_Support_C5_DirectedCollectionValueBase_1_syntax">Syntax</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">[Serializable]
public abstract class DirectedCollectionValueBase&lt;T&gt; : CollectionValueBase&lt;T&gt;, IDirectedCollectionValue&lt;T&gt;, ICollectionValue&lt;T&gt;, IShowable, IFormattable, IDirectedEnumerable&lt;T&gt;, IEnumerable&lt;T&gt;, IEnumerable</code></pre>
</div>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="parametername">T</span></td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="properties">Properties
</h3>
<span class="small pull-right mobile-hide">
<span class="divider">|</span>
<a href="https://github.com/apache/lucenenet/new/docs-4.8.0-beta00007/websites/apidocs/apiSpec/new?filename=Lucene_Net_Support_C5_DirectedCollectionValueBase_1_Direction.md&amp;value=---%0Auid%3A%20Lucene.Net.Support.C5.DirectedCollectionValueBase%601.Direction%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 href="https://github.com/Shazwazza/lucenenet/blob/docs-update-jan2020/src/Lucene.Net/Support/C5.Support.cs/#L4369">View Source</a>
</span>
<a id="Lucene_Net_Support_C5_DirectedCollectionValueBase_1_Direction_" data-uid="Lucene.Net.Support.C5.DirectedCollectionValueBase`1.Direction*"></a>
<h4 id="Lucene_Net_Support_C5_DirectedCollectionValueBase_1_Direction" data-uid="Lucene.Net.Support.C5.DirectedCollectionValueBase`1.Direction">Direction</h4>
<div class="markdown level1 summary"><pre><code>Forwards</code></pre> if same, else <pre><code>Backwards</code></pre>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual EnumerationDirection Direction { 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.Support.C5.EnumerationDirection.html">EnumerationDirection</a></td>
<td><p>The enumeration direction relative to the original collection.</p>
</td>
</tr>
</tbody>
</table>
<h3 id="methods">Methods
</h3>
<span class="small pull-right mobile-hide">
<span class="divider">|</span>
<a href="https://github.com/apache/lucenenet/new/docs-4.8.0-beta00007/websites/apidocs/apiSpec/new?filename=Lucene_Net_Support_C5_DirectedCollectionValueBase_1_Backwards.md&amp;value=---%0Auid%3A%20Lucene.Net.Support.C5.DirectedCollectionValueBase%601.Backwards%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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<span class="small pull-right mobile-hide">
<a href="https://github.com/Shazwazza/lucenenet/blob/docs-update-jan2020/src/Lucene.Net/Support/C5.Support.cs/#L4375">View Source</a>
</span>
<a id="Lucene_Net_Support_C5_DirectedCollectionValueBase_1_Backwards_" data-uid="Lucene.Net.Support.C5.DirectedCollectionValueBase`1.Backwards*"></a>
<h4 id="Lucene_Net_Support_C5_DirectedCollectionValueBase_1_Backwards" data-uid="Lucene.Net.Support.C5.DirectedCollectionValueBase`1.Backwards">Backwards()</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 IDirectedCollectionValue&lt;T&gt; Backwards()</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.Support.C5.IDirectedCollectionValue-1.html">IDirectedCollectionValue</a>&lt;T&gt;</td>
<td></td>
</tr>
</tbody>
</table>
<span class="small pull-right mobile-hide">
<span class="divider">|</span>
<a href="https://github.com/apache/lucenenet/new/docs-4.8.0-beta00007/websites/apidocs/apiSpec/new?filename=Lucene_Net_Support_C5_DirectedCollectionValueBase_1_FindLast_System_Func__0_System_Boolean___0__.md&amp;value=---%0Auid%3A%20Lucene.Net.Support.C5.DirectedCollectionValueBase%601.FindLast(System.Func%7B%600%2CSystem.Boolean%7D%2C%600%40)%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 href="https://github.com/Shazwazza/lucenenet/blob/docs-update-jan2020/src/Lucene.Net/Support/C5.Support.cs/#L4387">View Source</a>
</span>
<a id="Lucene_Net_Support_C5_DirectedCollectionValueBase_1_FindLast_" data-uid="Lucene.Net.Support.C5.DirectedCollectionValueBase`1.FindLast*"></a>
<h4 id="Lucene_Net_Support_C5_DirectedCollectionValueBase_1_FindLast_System_Func__0_System_Boolean___0__" data-uid="Lucene.Net.Support.C5.DirectedCollectionValueBase`1.FindLast(System.Func{`0,System.Boolean},`0@)">FindLast(Func&lt;T, Boolean&gt;, out T)</h4>
<div class="markdown level1 summary"><p>Check if there exists an item that satisfies a
specific predicate in this collection and return the first one in enumeration order.</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 FindLast(Func&lt;T, bool&gt; predicate, out T item)</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.Func</span>&lt;T, <span class="xref">System.Boolean</span>&gt;</td>
<td><span class="parametername">predicate</span></td>
<td><p>A delegate
(<span class="xref">Func`2</span> with <pre><code>R == bool</code></pre>) defining the predicate</p>
</td>
</tr>
<tr>
<td><span class="xref">T</span></td>
<td><span class="parametername">item</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><p>True is such an item exists</p>
</td>
</tr>
</tbody>
</table>
<h3 id="eii">Explicit Interface Implementations
</h3>
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<a id="Lucene_Net_Support_C5_DirectedCollectionValueBase_1_Lucene_Net_Support_C5_IDirectedEnumerable_T__Backwards_" data-uid="Lucene.Net.Support.C5.DirectedCollectionValueBase`1.Lucene#Net#Support#C5#IDirectedEnumerable{T}#Backwards*"></a>
<h4 id="Lucene_Net_Support_C5_DirectedCollectionValueBase_1_Lucene_Net_Support_C5_IDirectedEnumerable_T__Backwards" data-uid="Lucene.Net.Support.C5.DirectedCollectionValueBase`1.Lucene#Net#Support#C5#IDirectedEnumerable{T}#Backwards">IDirectedEnumerable&lt;T&gt;.Backwards()</h4>
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<h5 class="decalaration">Declaration</h5>
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<pre><code class="lang-csharp hljs">IDirectedEnumerable&lt;T&gt; IDirectedEnumerable&lt;T&gt;.Backwards()</code></pre>
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<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.Support.C5.IDirectedEnumerable-1.html">IDirectedEnumerable</a>&lt;T&gt;</td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="implements">Implements</h3>
<div>
<a class="xref" href="Lucene.Net.Support.C5.IDirectedCollectionValue-1.html">IDirectedCollectionValue&lt;T&gt;</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.ICollectionValue-1.html">ICollectionValue&lt;T&gt;</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.IShowable.html">IShowable</a>
</div>
<div>
<span class="xref">System.IFormattable</span>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.C5.IDirectedEnumerable-1.html">IDirectedEnumerable&lt;T&gt;</a>
</div>
<div>
<span class="xref">System.Collections.Generic.IEnumerable&lt;T&gt;</span>
</div>
<div>
<span class="xref">System.Collections.IEnumerable</span>
</div>
<h3 id="extensionmethods">Extension Methods</h3>
<div>
<a class="xref" href="Lucene.Net.Support.EnumerableExtensions.html#Lucene_Net_Support_EnumerableExtensions_InPairs__2_System_Collections_Generic_IEnumerable___0__System_Func___0___0___1__">EnumerableExtensions.InPairs&lt;T, TOut&gt;(IEnumerable&lt;T&gt;, Func&lt;T, T, TOut&gt;)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.EnumerableExtensions.html#Lucene_Net_Support_EnumerableExtensions_TakeAllButLast__1_System_Collections_Generic_IEnumerable___0__">EnumerableExtensions.TakeAllButLast&lt;T&gt;(IEnumerable&lt;T&gt;)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.EnumerableExtensions.html#Lucene_Net_Support_EnumerableExtensions_TakeAllButLast__1_System_Collections_Generic_IEnumerable___0__System_Int32_">EnumerableExtensions.TakeAllButLast&lt;T&gt;(IEnumerable&lt;T&gt;, Int32)</a>
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