+import jalview.ws.DBRefFetcher;
+
+import java.awt.Color;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.Hashtable;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
+import java.util.Vector;
+
+import javax.swing.ButtonGroup;
+import javax.swing.JCheckBoxMenuItem;
+import javax.swing.JColorChooser;
+import javax.swing.JMenu;
+import javax.swing.JMenuItem;
+import javax.swing.JOptionPane;
+import javax.swing.JPopupMenu;
+import javax.swing.JRadioButtonMenuItem;