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<div class="subTitle">org.apache.ignite.events</div>
<h2 title="Class IgfsEvent" class="title">Class IgfsEvent</h2>
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<li><a href="../../../../org/apache/ignite/events/EventAdapter.html" title="class in org.apache.ignite.events">org.apache.ignite.events.EventAdapter</a></li>
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<ul class="inheritance">
<li>org.apache.ignite.events.IgfsEvent</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <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;<a href="../../../../org/apache/ignite/events/Event.html" title="interface in org.apache.ignite.events">Event</a>&gt;, <a href="../../../../org/apache/ignite/events/Event.html" title="interface in org.apache.ignite.events">Event</a></dd>
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<pre>public class <span class="strong">IgfsEvent</span>
extends <a href="../../../../org/apache/ignite/events/EventAdapter.html" title="class in org.apache.ignite.events">EventAdapter</a></pre>
<div class="block">IGFS event.
<p>
Grid events are used for notification about what happens within the grid. Note that by
design Ignite keeps all events generated on the local node locally and it provides
APIs for performing a distributed queries across multiple nodes:
<ul>
<li>
<a href="../../../../org/apache/ignite/IgniteEvents.html#remoteQuery(org.apache.ignite.lang.IgnitePredicate,%20long,%20int...)"><code>IgniteEvents.remoteQuery(org.apache.ignite.lang.IgnitePredicate, long, int...)</code></a> -
asynchronously querying events occurred on the nodes specified, including remote nodes.
</li>
<li>
<a href="../../../../org/apache/ignite/IgniteEvents.html#localQuery(org.apache.ignite.lang.IgnitePredicate,%20int...)"><code>IgniteEvents.localQuery(org.apache.ignite.lang.IgnitePredicate, int...)</code></a> -
querying only local events stored on this local node.
</li>
<li>
<a href="../../../../org/apache/ignite/IgniteEvents.html#localListen(org.apache.ignite.lang.IgnitePredicate,%20int...)"><code>IgniteEvents.localListen(org.apache.ignite.lang.IgnitePredicate, int...)</code></a> -
listening to local grid events (events from remote nodes not included).
</li>
</ul>
User can also wait for events using method <a href="../../../../org/apache/ignite/IgniteEvents.html#waitForLocal(org.apache.ignite.lang.IgnitePredicate,%20int...)"><code>IgniteEvents.waitForLocal(org.apache.ignite.lang.IgnitePredicate, int...)</code></a>.
<h1 class="header">Events and Performance</h1>
Note that by default all events in Ignite are enabled and therefore generated and stored
by whatever event storage SPI is configured. Ignite can and often does generate thousands events per seconds
under the load and therefore it creates a significant additional load on the system. If these events are
not needed by the application this load is unnecessary and leads to significant performance degradation.
<p>
It is <b>highly recommended</b> to enable only those events that your application logic requires
by using <a href="../../../../org/apache/ignite/configuration/IgniteConfiguration.html#getIncludeEventTypes()"><code>IgniteConfiguration.getIncludeEventTypes()</code></a> method in Ignite configuration. Note that certain
events are required for Ignite's internal operations and such events will still be generated but not stored by
event storage SPI if they are disabled in Ignite configuration.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../org/apache/ignite/events/EventType.html#EVT_IGFS_FILE_CREATED"><code>EventType.EVT_IGFS_FILE_CREATED</code></a>,
<a href="../../../../org/apache/ignite/events/EventType.html#EVT_IGFS_FILE_RENAMED"><code>EventType.EVT_IGFS_FILE_RENAMED</code></a>,
<a href="../../../../org/apache/ignite/events/EventType.html#EVT_IGFS_FILE_DELETED"><code>EventType.EVT_IGFS_FILE_DELETED</code></a>,
<a href="../../../../serialized-form.html#org.apache.ignite.events.IgfsEvent">Serialized Form</a></dd></dl>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../org/apache/ignite/events/IgfsEvent.html#IgfsEvent(org.apache.ignite.igfs.IgfsPath,%20org.apache.ignite.cluster.ClusterNode,%20int)">IgfsEvent</a></strong>(<a href="../../../../org/apache/ignite/igfs/IgfsPath.html" title="class in org.apache.ignite.igfs">IgfsPath</a>&nbsp;path,
<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>&nbsp;node,
int&nbsp;type)</code>
<div class="block">Constructs an event instance.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../org/apache/ignite/events/IgfsEvent.html#IgfsEvent(org.apache.ignite.igfs.IgfsPath,%20org.apache.ignite.cluster.ClusterNode,%20int,%20long)">IgfsEvent</a></strong>(<a href="../../../../org/apache/ignite/igfs/IgfsPath.html" title="class in org.apache.ignite.igfs">IgfsPath</a>&nbsp;path,
<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>&nbsp;node,
int&nbsp;type,
long&nbsp;dataSize)</code>
<div class="block">Constructs an event instance for close events:
(<a href="../../../../org/apache/ignite/events/EventType.html#EVT_IGFS_FILE_CLOSED_READ"><code>EventType.EVT_IGFS_FILE_CLOSED_READ</code></a>,
<a href="../../../../org/apache/ignite/events/EventType.html#EVT_IGFS_FILE_CLOSED_WRITE"><code>EventType.EVT_IGFS_FILE_CLOSED_WRITE</code></a>).</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../org/apache/ignite/events/IgfsEvent.html#IgfsEvent(org.apache.ignite.igfs.IgfsPath,%20org.apache.ignite.cluster.ClusterNode,%20int,%20java.util.Map)">IgfsEvent</a></strong>(<a href="../../../../org/apache/ignite/igfs/IgfsPath.html" title="class in org.apache.ignite.igfs">IgfsPath</a>&nbsp;path,
<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>&nbsp;node,
int&nbsp;type,
<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;<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>,<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;&nbsp;meta)</code>
<div class="block">Constructs an event instance for file metadata update events
(<a href="../../../../org/apache/ignite/events/EventType.html#EVT_IGFS_META_UPDATED"><code>EventType.EVT_IGFS_META_UPDATED</code></a>).</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../org/apache/ignite/events/IgfsEvent.html#IgfsEvent(org.apache.ignite.igfs.IgfsPath,%20org.apache.ignite.igfs.IgfsPath,%20org.apache.ignite.cluster.ClusterNode,%20int)">IgfsEvent</a></strong>(<a href="../../../../org/apache/ignite/igfs/IgfsPath.html" title="class in org.apache.ignite.igfs">IgfsPath</a>&nbsp;path,
<a href="../../../../org/apache/ignite/igfs/IgfsPath.html" title="class in org.apache.ignite.igfs">IgfsPath</a>&nbsp;newPath,
<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>&nbsp;node,
int&nbsp;type)</code>
<div class="block">Constructs an event instance for path modification event
(<a href="../../../../org/apache/ignite/events/EventType.html#EVT_IGFS_FILE_RENAMED"><code>EventType.EVT_IGFS_FILE_RENAMED</code></a>,
<a href="../../../../org/apache/ignite/events/EventType.html#EVT_IGFS_DIR_RENAMED"><code>EventType.EVT_IGFS_DIR_RENAMED</code></a>).</div>
</td>
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<h3>Method Summary</h3>
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<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/events/IgfsEvent.html#dataSize()">dataSize</a></strong>()</code>
<div class="block">Transferred data size for this event.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/events/IgfsEvent.html#isDirectory()">isDirectory</a></strong>()</code>
<div class="block">Checks if this is a directory-related event.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/ignite/igfs/IgfsPath.html" title="class in org.apache.ignite.igfs">IgfsPath</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/events/IgfsEvent.html#newPath()">newPath</a></strong>()</code>
<div class="block">New file or directory path for this event (used in
<a href="../../../../org/apache/ignite/events/EventType.html#EVT_IGFS_FILE_RENAMED"><code>EventType.EVT_IGFS_FILE_RENAMED</code></a> event).</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/ignite/igfs/IgfsPath.html" title="class in org.apache.ignite.igfs">IgfsPath</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/events/IgfsEvent.html#path()">path</a></strong>()</code>
<div class="block">Path of the file or directory, on which event has occurred.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><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><strong><a href="../../../../org/apache/ignite/events/IgfsEvent.html#toString()">toString</a></strong>()</code></td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><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;<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>,<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><strong><a href="../../../../org/apache/ignite/events/IgfsEvent.html#updatedMeta()">updatedMeta</a></strong>()</code>
<div class="block">Updated file metadata properties.</div>
</td>
</tr>
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<h3>Methods inherited from class&nbsp;org.apache.ignite.events.<a href="../../../../org/apache/ignite/events/EventAdapter.html" title="class in org.apache.ignite.events">EventAdapter</a></h3>
<code><a href="../../../../org/apache/ignite/events/EventAdapter.html#compareTo(org.apache.ignite.events.Event)">compareTo</a>, <a href="../../../../org/apache/ignite/events/EventAdapter.html#equals(java.lang.Object)">equals</a>, <a href="../../../../org/apache/ignite/events/EventAdapter.html#hashCode()">hashCode</a>, <a href="../../../../org/apache/ignite/events/EventAdapter.html#id()">id</a>, <a href="../../../../org/apache/ignite/events/EventAdapter.html#localOrder()">localOrder</a>, <a href="../../../../org/apache/ignite/events/EventAdapter.html#message()">message</a>, <a href="../../../../org/apache/ignite/events/EventAdapter.html#message(java.lang.String)">message</a>, <a href="../../../../org/apache/ignite/events/EventAdapter.html#name()">name</a>, <a href="../../../../org/apache/ignite/events/EventAdapter.html#node()">node</a>, <a href="../../../../org/apache/ignite/events/EventAdapter.html#node(org.apache.ignite.cluster.ClusterNode)">node</a>, <a href="../../../../org/apache/ignite/events/EventAdapter.html#shortDisplay()">shortDisplay</a>, <a href="../../../../org/apache/ignite/events/EventAdapter.html#timestamp()">timestamp</a>, <a href="../../../../org/apache/ignite/events/EventAdapter.html#type()">type</a>, <a href="../../../../org/apache/ignite/events/EventAdapter.html#type(int)">type</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<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></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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<a name="IgfsEvent(org.apache.ignite.igfs.IgfsPath, org.apache.ignite.cluster.ClusterNode, int)">
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<h4>IgfsEvent</h4>
<pre>public&nbsp;IgfsEvent(<a href="../../../../org/apache/ignite/igfs/IgfsPath.html" title="class in org.apache.ignite.igfs">IgfsPath</a>&nbsp;path,
<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>&nbsp;node,
int&nbsp;type)</pre>
<div class="block">Constructs an event instance.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>path</code> - File or directory path.</dd><dd><code>node</code> - Node.</dd><dd><code>type</code> - Event type.</dd></dl>
</li>
</ul>
<a name="IgfsEvent(org.apache.ignite.igfs.IgfsPath, org.apache.ignite.igfs.IgfsPath, org.apache.ignite.cluster.ClusterNode, int)">
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<h4>IgfsEvent</h4>
<pre>public&nbsp;IgfsEvent(<a href="../../../../org/apache/ignite/igfs/IgfsPath.html" title="class in org.apache.ignite.igfs">IgfsPath</a>&nbsp;path,
<a href="../../../../org/apache/ignite/igfs/IgfsPath.html" title="class in org.apache.ignite.igfs">IgfsPath</a>&nbsp;newPath,
<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>&nbsp;node,
int&nbsp;type)</pre>
<div class="block">Constructs an event instance for path modification event
(<a href="../../../../org/apache/ignite/events/EventType.html#EVT_IGFS_FILE_RENAMED"><code>EventType.EVT_IGFS_FILE_RENAMED</code></a>,
<a href="../../../../org/apache/ignite/events/EventType.html#EVT_IGFS_DIR_RENAMED"><code>EventType.EVT_IGFS_DIR_RENAMED</code></a>).</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>path</code> - File or directory path.</dd><dd><code>newPath</code> - New file or directory path.</dd><dd><code>node</code> - Node.</dd><dd><code>type</code> - Event type.</dd></dl>
</li>
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<h4>IgfsEvent</h4>
<pre>public&nbsp;IgfsEvent(<a href="../../../../org/apache/ignite/igfs/IgfsPath.html" title="class in org.apache.ignite.igfs">IgfsPath</a>&nbsp;path,
<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>&nbsp;node,
int&nbsp;type,
long&nbsp;dataSize)</pre>
<div class="block">Constructs an event instance for close events:
(<a href="../../../../org/apache/ignite/events/EventType.html#EVT_IGFS_FILE_CLOSED_READ"><code>EventType.EVT_IGFS_FILE_CLOSED_READ</code></a>,
<a href="../../../../org/apache/ignite/events/EventType.html#EVT_IGFS_FILE_CLOSED_WRITE"><code>EventType.EVT_IGFS_FILE_CLOSED_WRITE</code></a>).</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>path</code> - File path.</dd><dd><code>node</code> - Node.</dd><dd><code>type</code> - Event type.</dd><dd><code>dataSize</code> - Transferred data size in bytes.</dd></dl>
</li>
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<h4>IgfsEvent</h4>
<pre>public&nbsp;IgfsEvent(<a href="../../../../org/apache/ignite/igfs/IgfsPath.html" title="class in org.apache.ignite.igfs">IgfsPath</a>&nbsp;path,
<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>&nbsp;node,
int&nbsp;type,
<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;<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>,<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;&nbsp;meta)</pre>
<div class="block">Constructs an event instance for file metadata update events
(<a href="../../../../org/apache/ignite/events/EventType.html#EVT_IGFS_META_UPDATED"><code>EventType.EVT_IGFS_META_UPDATED</code></a>).</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>path</code> - File path.</dd><dd><code>node</code> - Node.</dd><dd><code>type</code> - Event type.</dd><dd><code>meta</code> - Modified properties.</dd></dl>
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<h4>path</h4>
<pre>public&nbsp;<a href="../../../../org/apache/ignite/igfs/IgfsPath.html" title="class in org.apache.ignite.igfs">IgfsPath</a>&nbsp;path()</pre>
<div class="block">Path of the file or directory, on which event has occurred.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>File path.</dd></dl>
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<h4>newPath</h4>
<pre>@Nullable
public&nbsp;<a href="../../../../org/apache/ignite/igfs/IgfsPath.html" title="class in org.apache.ignite.igfs">IgfsPath</a>&nbsp;newPath()</pre>
<div class="block">New file or directory path for this event (used in
<a href="../../../../org/apache/ignite/events/EventType.html#EVT_IGFS_FILE_RENAMED"><code>EventType.EVT_IGFS_FILE_RENAMED</code></a> event).</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>New file or directory path or <code>null</code>,
if not relevant for this event.</dd></dl>
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<pre>public&nbsp;long&nbsp;dataSize()</pre>
<div class="block">Transferred data size for this event.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>Transferred data size in bytes.</dd></dl>
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<pre>@Nullable
public&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;<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>,<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;&nbsp;updatedMeta()</pre>
<div class="block">Updated file metadata properties.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>Updated metadata properties or <code>null</code>,
if not relevant for this event.</dd></dl>
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<pre>public&nbsp;boolean&nbsp;isDirectory()</pre>
<div class="block">Checks if this is a directory-related event.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd><code>True</code> if this event is directory-related.</dd></dl>
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<h4>toString</h4>
<pre>public&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>&nbsp;toString()</pre>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../org/apache/ignite/events/EventAdapter.html#toString()">toString</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/ignite/events/EventAdapter.html" title="class in org.apache.ignite.events">EventAdapter</a></code></dd>
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