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+<div class="subTitle">org.apache.hadoop.hbase.coprocessor</div>
+<h2 title="Class BaseMasterAndRegionObserver" class="title">Class BaseMasterAndRegionObserver</h2>
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+<div class="block">Called after the balancing plan has been submitted.</div>
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+ boolean oldValue,
+ boolean newValue)</code>
+<div class="block">Called after the flag to enable/disable balancing has changed.</div>
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+<div class="block">Called after a snapshot clone operation has been requested.</div>
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+<div class="block">Called after the createTable operation has been requested.</div>
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+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postDeleteTableHandler(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName)">postDeleteTableHandler</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName)</code>
+<div class="block">Called after <a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master"><code>HMaster</code></a> deletes a
+ table.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postDisableTable(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName)">postDisableTable</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName)</code>
+<div class="block">Called after the disableTable operation has been requested.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postDisableTableHandler(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName)">postDisableTableHandler</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName)</code>
+<div class="block">Called after the disableTable operation has been requested.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postEnableTable(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName)">postEnableTable</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName)</code>
+<div class="block">Called after the enableTable operation has been requested.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postEnableTableHandler(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName)">postEnableTableHandler</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName)</code>
+<div class="block">Called after the enableTable operation has been requested.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postGetTableDescriptors(org.apache.hadoop.hbase.coprocessor.ObserverContext, java.util.List)">postGetTableDescriptors</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
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+<div class="block">Called after a getTableDescriptors request has been processed.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postModifyColumn(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName, org.apache.hadoop.hbase.HColumnDescriptor)">postModifyColumn</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName,
+ <a href="../../../../../org/apache/hadoop/hbase/HColumnDescriptor.html" title="class in org.apache.hadoop.hbase">HColumnDescriptor</a> descriptor)</code>
+<div class="block">Called after the column family has been updated.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postModifyColumnHandler(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName, org.apache.hadoop.hbase.HColumnDescriptor)">postModifyColumnHandler</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName,
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+<div class="block">Called after the column family has been updated.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postModifyNamespace(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.NamespaceDescriptor)">postModifyNamespace</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
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+<div class="block">Called after the modifyNamespace operation has been requested.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postModifyTable(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName, org.apache.hadoop.hbase.HTableDescriptor)">postModifyTable</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
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+<div class="block">Called after the modifyTable operation has been requested.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postModifyTableHandler(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName, org.apache.hadoop.hbase.HTableDescriptor)">postModifyTableHandler</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName,
+ <a href="../../../../../org/apache/hadoop/hbase/HTableDescriptor.html" title="class in org.apache.hadoop.hbase">HTableDescriptor</a> htd)</code>
+<div class="block">Called after to modifying a table's properties.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postMove(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.HRegionInfo, org.apache.hadoop.hbase.ServerName, org.apache.hadoop.hbase.ServerName)">postMove</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a> region,
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+ <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> destServer)</code>
+<div class="block">Called after the region move has been requested.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
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+ <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a> regionInfo)</code>
+<div class="block">Called after the region has been marked offline.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postRestoreSnapshot(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.SnapshotDescription, org.apache.hadoop.hbase.HTableDescriptor)">postRestoreSnapshot</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/protobuf/generated/HBaseProtos.SnapshotDescription.html" title="class in org.apache.hadoop.hbase.protobuf.generated">HBaseProtos.SnapshotDescription</a> snapshot,
+ <a href="../../../../../org/apache/hadoop/hbase/HTableDescriptor.html" title="class in org.apache.hadoop.hbase">HTableDescriptor</a> hTableDescriptor)</code>
+<div class="block">Called after a snapshot restore operation has been requested.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postSnapshot(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.SnapshotDescription, org.apache.hadoop.hbase.HTableDescriptor)">postSnapshot</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/protobuf/generated/HBaseProtos.SnapshotDescription.html" title="class in org.apache.hadoop.hbase.protobuf.generated">HBaseProtos.SnapshotDescription</a> snapshot,
+ <a href="../../../../../org/apache/hadoop/hbase/HTableDescriptor.html" title="class in org.apache.hadoop.hbase">HTableDescriptor</a> hTableDescriptor)</code>
+<div class="block">Called after the snapshot operation has been requested.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postStartMaster(org.apache.hadoop.hbase.coprocessor.ObserverContext)">postStartMaster</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx)</code>
+<div class="block">Called immediately after an active master instance has completed
+ initialization.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postTableFlush(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName)">postTableFlush</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName)</code>
+<div class="block">Called after the table memstore is flushed to disk.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postTruncateTable(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName)">postTruncateTable</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName)</code>
+<div class="block">Called after the truncateTable operation has been requested.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postTruncateTableHandler(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName)">postTruncateTableHandler</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName)</code>
+<div class="block">Called after <a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master"><code>HMaster</code></a> truncates a
+ table.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#postUnassign(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.HRegionInfo, boolean)">postUnassign</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a> regionInfo,
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+<div class="block">Called after the region unassignment has been requested.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preAddColumn(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName, org.apache.hadoop.hbase.HColumnDescriptor)">preAddColumn</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName,
+ <a href="../../../../../org/apache/hadoop/hbase/HColumnDescriptor.html" title="class in org.apache.hadoop.hbase">HColumnDescriptor</a> column)</code>
+<div class="block">Called prior to adding a new column family to the table.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
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+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName,
+ <a href="../../../../../org/apache/hadoop/hbase/HColumnDescriptor.html" title="class in org.apache.hadoop.hbase">HColumnDescriptor</a> column)</code>
+<div class="block">Called prior to adding a new column family to the table.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preAssign(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.HRegionInfo)">preAssign</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a> regionInfo)</code>
+<div class="block">Called prior to assigning a specific region.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preBalance(org.apache.hadoop.hbase.coprocessor.ObserverContext)">preBalance</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx)</code>
+<div class="block">Called prior to requesting rebalancing of the cluster regions, though after
+ the initial checks for regions in transition and the balance switch flag.</div>
+</td>
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+<tr class="altColor">
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+<div class="block">Called prior to modifying the flag used to enable/disable region balancing.</div>
+</td>
+</tr>
+<tr class="rowColor">
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+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preCloneSnapshot(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.SnapshotDescription, org.apache.hadoop.hbase.HTableDescriptor)">preCloneSnapshot</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/protobuf/generated/HBaseProtos.SnapshotDescription.html" title="class in org.apache.hadoop.hbase.protobuf.generated">HBaseProtos.SnapshotDescription</a> snapshot,
+ <a href="../../../../../org/apache/hadoop/hbase/HTableDescriptor.html" title="class in org.apache.hadoop.hbase">HTableDescriptor</a> hTableDescriptor)</code>
+<div class="block">Called before a snapshot is cloned.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preCreateNamespace(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.NamespaceDescriptor)">preCreateNamespace</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/NamespaceDescriptor.html" title="class in org.apache.hadoop.hbase">NamespaceDescriptor</a> ns)</code>
+<div class="block">Called before a new namespace is created by
+ <a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master"><code>HMaster</code></a>.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preCreateTable(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.HTableDescriptor, org.apache.hadoop.hbase.HRegionInfo[])">preCreateTable</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/HTableDescriptor.html" title="class in org.apache.hadoop.hbase">HTableDescriptor</a> desc,
+ <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a>[] regions)</code>
+<div class="block">Called before a new table is created by
+ <a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master"><code>HMaster</code></a>.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preCreateTableHandler(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.HTableDescriptor, org.apache.hadoop.hbase.HRegionInfo[])">preCreateTableHandler</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/HTableDescriptor.html" title="class in org.apache.hadoop.hbase">HTableDescriptor</a> desc,
+ <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a>[] regions)</code>
+<div class="block">Called before a new table is created by
+ <a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master"><code>HMaster</code></a>.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preDeleteColumn(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName, byte[])">preDeleteColumn</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName,
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+<div class="block">Called prior to deleting the entire column family.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preDeleteColumnHandler(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName, byte[])">preDeleteColumnHandler</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName,
+ byte[] c)</code>
+<div class="block">Called prior to deleting the entire column family.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preDeleteNamespace(org.apache.hadoop.hbase.coprocessor.ObserverContext, java.lang.String)">preDeleteNamespace</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
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+<div class="block">Called before <a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master"><code>HMaster</code></a> deletes a
+ namespace
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+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preDeleteSnapshot(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.SnapshotDescription)">preDeleteSnapshot</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
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+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
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+<div class="block">Called before <a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master"><code>HMaster</code></a> deletes a
+ table.</div>
+</td>
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+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preDeleteTableHandler(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName)">preDeleteTableHandler</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName)</code>
+<div class="block">Called before <a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master"><code>HMaster</code></a> deletes a
+ table.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preDisableTable(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName)">preDisableTable</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName)</code>
+<div class="block">Called prior to disabling a table.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preDisableTableHandler(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName)">preDisableTableHandler</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
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+<div class="block">Called prior to disabling a table.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
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+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName)</code>
+<div class="block">Called prior to enabling a table.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
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+<div class="block">Called prior to enabling a table.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
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+ <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><<a href="../../../../../org/apache/hadoop/hbase/HTableDescriptor.html" title="class in org.apache.hadoop.hbase">HTableDescriptor</a>> descriptors)</code>
+<div class="block">Called before a getTableDescriptors request has been processed.</div>
+</td>
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+<td class="colFirst"><code>void</code></td>
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+<div class="block">Call before the master initialization is set to true.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
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+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName,
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+<div class="block">Called prior to modifying a column family's attributes.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
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+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName,
+ <a href="../../../../../org/apache/hadoop/hbase/HColumnDescriptor.html" title="class in org.apache.hadoop.hbase">HColumnDescriptor</a> descriptor)</code>
+<div class="block">Called prior to modifying a column family's attributes.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preModifyNamespace(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.NamespaceDescriptor)">preModifyNamespace</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/NamespaceDescriptor.html" title="class in org.apache.hadoop.hbase">NamespaceDescriptor</a> ns)</code>
+<div class="block">Called prior to modifying a namespace's properties.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preModifyTable(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName, org.apache.hadoop.hbase.HTableDescriptor)">preModifyTable</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName,
+ <a href="../../../../../org/apache/hadoop/hbase/HTableDescriptor.html" title="class in org.apache.hadoop.hbase">HTableDescriptor</a> htd)</code>
+<div class="block">Called prior to modifying a table's properties.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preModifyTableHandler(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.TableName, org.apache.hadoop.hbase.HTableDescriptor)">preModifyTableHandler</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName,
+ <a href="../../../../../org/apache/hadoop/hbase/HTableDescriptor.html" title="class in org.apache.hadoop.hbase">HTableDescriptor</a> htd)</code>
+<div class="block">Called prior to modifying a table's properties.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/coprocessor/BaseMasterAndRegionObserver.html#preMove(org.apache.hadoop.hbase.coprocessor.ObserverContext, org.apache.hadoop.hbase.HRegionInfo, org.apache.hadoop.hbase.ServerName, org.apache.hadoop.hbase.ServerName)">preMove</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="class in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">MasterCoprocessorEnvironment</a>> ctx,
+ <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a> region,
+ <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> srcServer,
+ <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> destServer)</code>
+<div class="block">Called prior to moving a given region from one region server to another.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
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+ <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a> regionInfo)</code>
+<div class="block">Called prior to marking a given region as offline.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
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+ <a href="../../../../../org/apache/hadoop/hbase/protobuf/generated/HBaseProtos.SnapshotDescription.html" title="class in org.apache.hadoop.hbase.protobuf.generated">HBaseProtos.SnapshotDescription</a> snapshot,
+ <a href="../../../../../org/apache/hadoop/hbase/HTableDescriptor.html" title="class in org.apache.hadoop.hbase">HTableDescriptor</a> hTableDescriptor)</code>
+<div class="block">Called before a snapshot is restored.</div>
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+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
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