organized imports
diff --git a/src/main/java/org/apache/log4j/chainsaw/ChainsawCyclicBufferTableModel.java b/src/main/java/org/apache/log4j/chainsaw/ChainsawCyclicBufferTableModel.java
index 74ad49d..a4378c9 100644
--- a/src/main/java/org/apache/log4j/chainsaw/ChainsawCyclicBufferTableModel.java
+++ b/src/main/java/org/apache/log4j/chainsaw/ChainsawCyclicBufferTableModel.java
@@ -17,13 +17,13 @@
package org.apache.log4j.chainsaw;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
import org.apache.log4j.chainsaw.color.RuleColorizer;
import org.apache.log4j.chainsaw.helper.SwingHelper;
+import org.apache.log4j.chainsaw.logevents.ChainsawLoggingEvent;
import org.apache.log4j.helpers.Constants;
import org.apache.log4j.rule.Rule;
-import org.apache.log4j.chainsaw.logevents.LocationInfo;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
import javax.swing.*;
import javax.swing.event.EventListenerList;
@@ -31,8 +31,13 @@
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
-import java.util.*;
-import org.apache.log4j.chainsaw.logevents.ChainsawLoggingEvent;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Objects;
+import java.util.Set;
/**
