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<div class="subTitle">org.apache.sshd.common.util</div>
<h2 title="Class GenericUtils" class="title">Class GenericUtils</h2>
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<pre>public final class <span class="typeNameLabel">GenericUtils</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd><a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a></dd>
</dl>
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<div class="summary">
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<li class="blockList">
<!-- =========== FIELD SUMMARY =========== -->
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<h3>Field Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a>&lt;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#CASE_SENSITIVE_ORDER">CASE_SENSITIVE_ORDER</a></span></code>
<div class="block">The complement of <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true#CASE_INSENSITIVE_ORDER" title="class or interface in java.lang"><code>String.CASE_INSENSITIVE_ORDER</code></a></div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#EMPTY_BYTE_ARRAY">EMPTY_BYTE_ARRAY</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#EMPTY_OBJECT_ARRAY">EMPTY_OBJECT_ARRAY</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#EMPTY_STRING_ARRAY">EMPTY_STRING_ARRAY</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#NULL">NULL</a></span></code>
<div class="block">A value indicating a <code>null</code> value - to be used as a placeholder
where <code>null</code>s are not allowed</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#QUOTES">QUOTES</a></span></code>&nbsp;</td>
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<h3>Method Summary</h3>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>static &lt;T extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>&gt;<br>T</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#accumulateException-T-T-">accumulateException</a></span>(T&nbsp;current,
T&nbsp;extra)</code>
<div class="block">Used to &quot;accumulate&quot; exceptions of the <U>same type</U>.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;T&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#asList-T...-">asList</a></span>(T...&nbsp;values)</code>&nbsp;</td>
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<td class="colFirst"><code>static &lt;V extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</a>&lt;V&gt;&gt;<br><a href="http://docs.oracle.com/javase/7/docs/api/java/util/SortedSet.html?is-external=true" title="class or interface in java.util">SortedSet</a>&lt;V&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#asSortedSet-java.util.Collection-">asSortedSet</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;? extends V&gt;&nbsp;values)</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>static &lt;V&gt;&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/util/SortedSet.html?is-external=true" title="class or interface in java.util">SortedSet</a>&lt;V&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#asSortedSet-java.util.Comparator-java.util.Collection-">asSortedSet</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a>&lt;? super V&gt;&nbsp;comp,
<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;? extends V&gt;&nbsp;values)</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static &lt;V&gt;&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/util/SortedSet.html?is-external=true" title="class or interface in java.util">SortedSet</a>&lt;V&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#asSortedSet-java.util.Comparator-V...-">asSortedSet</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a>&lt;? super V&gt;&nbsp;comp,
V...&nbsp;values)</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>static &lt;V&gt;&nbsp;<a href="../../../../../org/apache/sshd/common/Factory.html" title="interface in org.apache.sshd.common">Factory</a>&lt;<a href="http://docs.oracle.com/javase/7/docs/api/java/util/SortedMap.html?is-external=true" title="class or interface in java.util">SortedMap</a>&lt;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,V&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#caseInsensitiveMap--">caseInsensitiveMap</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>static &lt;K,V&gt;&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;V,K&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#flipMap-java.util.Map-org.apache.sshd.common.Factory-boolean-">flipMap</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;? extends K,? extends V&gt;&nbsp;map,
<a href="../../../../../org/apache/sshd/common/Factory.html" title="interface in org.apache.sshd.common">Factory</a>&lt;? extends <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;V,K&gt;&gt;&nbsp;mapCreator,
boolean&nbsp;allowDuplicates)</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#isEmpty-java.lang.CharSequence-">isEmpty</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/CharSequence.html?is-external=true" title="class or interface in java.lang">CharSequence</a>&nbsp;cs)</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#isEmpty-java.util.Collection-">isEmpty</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;?&gt;&nbsp;c)</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#isEmpty-java.lang.Iterable-">isEmpty</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;? extends T&gt;&nbsp;iter)</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#isEmpty-java.util.Iterator-">isEmpty</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;? extends T&gt;&nbsp;iter)</code>&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#isEmpty-java.util.Map-">isEmpty</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;?,?&gt;&nbsp;m)</code>&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#isEmpty-T...-">isEmpty</a></span>(T...&nbsp;a)</code>&nbsp;</td>
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<tr id="i13" class="rowColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;T&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#iteratorOf-java.lang.Iterable-">iteratorOf</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;T&gt;&nbsp;iterable)</code>
<div class="block">Resolves to an always non-<code>null</code> iterator</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;T&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#iteratorOf-java.util.Iterator-">iteratorOf</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;T&gt;&nbsp;iter)</code>
<div class="block">Resolves to an always non-<code>null</code> iterator</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#join-java.lang.Iterable-char-">join</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;?&gt;&nbsp;iter,
char&nbsp;ch)</code>&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#join-java.lang.Iterable-java.lang.CharSequence-">join</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;?&gt;&nbsp;iter,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/CharSequence.html?is-external=true" title="class or interface in java.lang">CharSequence</a>&nbsp;sep)</code>&nbsp;</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#join-java.util.Iterator-char-">join</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;?&gt;&nbsp;iter,
char&nbsp;ch)</code>&nbsp;</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#join-java.util.Iterator-java.lang.CharSequence-">join</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;?&gt;&nbsp;iter,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/CharSequence.html?is-external=true" title="class or interface in java.lang">CharSequence</a>&nbsp;sep)</code>&nbsp;</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#join-T:A-char-">join</a></span>(T[]&nbsp;values,
char&nbsp;ch)</code>&nbsp;</td>
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<tr id="i20" class="altColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#length-java.lang.CharSequence-">length</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/CharSequence.html?is-external=true" title="class or interface in java.lang">CharSequence</a>&nbsp;cs)</code>&nbsp;</td>
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<td class="colFirst"><code>static &lt;T&gt;&nbsp;int</code></td>
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the original exception was <code>null</code></dd>
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<pre>public static&nbsp;&lt;T extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>&gt;&nbsp;T&nbsp;accumulateException(T&nbsp;current,
T&nbsp;extra)</pre>
<div class="block">Used to &quot;accumulate&quot; exceptions of the <U>same type</U>. If the
current exception is <code>null</code> then the new one becomes the current,
otherwise the new one is added as a <U>suppressed</U> exception to the
current one</div>
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<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - The exception type</dd>
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<dd><code>current</code> - The current exception</dd>
<dd><code>extra</code> - The extra/new exception</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The resolved exception</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Throwable.html?is-external=true#addSuppressed-java.lang.Throwable-" title="class or interface in java.lang"><code>Throwable.addSuppressed(Throwable)</code></a></dd>
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<pre>public static&nbsp;&lt;T&gt;&nbsp;<a href="../../../../../org/apache/sshd/common/util/Supplier.html" title="interface in org.apache.sshd.common.util">Supplier</a>&lt;T&gt;&nbsp;supplierOf(T&nbsp;value)</pre>
<div class="block">Wraps a value into a <a href="../../../../../org/apache/sshd/common/util/Supplier.html" title="interface in org.apache.sshd.common.util"><code>Supplier</code></a></div>
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<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - Type of value being supplied</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>value</code> - The value to be supplied</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The supplier wrapper</dd>
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<pre>public static&nbsp;&lt;T&gt;&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;T&gt;&nbsp;iteratorOf(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;T&gt;&nbsp;iterable)</pre>
<div class="block">Resolves to an always non-<code>null</code> iterator</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>iterable</code> - The <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang"><code>Iterable</code></a> instance</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A non-<code>null</code> iterator which may be empty if no iterable
instance or no iterator returned from it</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../org/apache/sshd/common/util/GenericUtils.html#iteratorOf-java.util.Iterator-"><code>iteratorOf(Iterator)</code></a></dd>
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<div class="block">Resolves to an always non-<code>null</code> iterator</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>iter</code> - The <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util"><code>Iterator</code></a> instance</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A non-<code>null</code> iterator which may be empty if no iterator instance</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collections.html?is-external=true#emptyIterator--" title="class or interface in java.util"><code>Collections.emptyIterator()</code></a></dd>
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<pre>public static&nbsp;&lt;T&gt;&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;T&gt;&nbsp;multiIterableSuppliers(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;? extends <a href="../../../../../org/apache/sshd/common/util/Supplier.html" title="interface in org.apache.sshd.common.util">Supplier</a>&lt;? extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;? extends T&gt;&gt;&gt;&nbsp;providers)</pre>
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