+import jalview.analysis.AAFrequency;
+import jalview.analysis.AlignmentAnnotationUtils;
+import jalview.analysis.Conservation;
+import jalview.commands.ChangeCaseCommand;
+import jalview.commands.EditCommand;
+import jalview.datamodel.AlignmentAnnotation;
+import jalview.datamodel.Annotation;
+import jalview.datamodel.DBRefEntry;
+import jalview.datamodel.PDBEntry;
+import jalview.datamodel.Sequence;
+import jalview.datamodel.SequenceFeature;
+import jalview.datamodel.SequenceGroup;
+import jalview.datamodel.SequenceI;
+import jalview.io.FormatAdapter;
+import jalview.io.SequenceAnnotationReport;
+import jalview.schemes.AnnotationColourGradient;
+import jalview.schemes.Blosum62ColourScheme;
+import jalview.schemes.BuriedColourScheme;
+import jalview.schemes.ClustalxColourScheme;
+import jalview.schemes.HelixColourScheme;
+import jalview.schemes.HydrophobicColourScheme;
+import jalview.schemes.NucleotideColourScheme;
+import jalview.schemes.PIDColourScheme;
+import jalview.schemes.PurinePyrimidineColourScheme;
+import jalview.schemes.ResidueProperties;
+import jalview.schemes.StrandColourScheme;
+import jalview.schemes.TaylorColourScheme;
+import jalview.schemes.TurnColourScheme;
+import jalview.schemes.UserColourScheme;
+import jalview.schemes.ZappoColourScheme;
+import jalview.util.GroupUrlLink;
+import jalview.util.GroupUrlLink.UrlStringTooLongException;
+import jalview.util.MessageManager;
+import jalview.util.UrlLink;
+
+import java.awt.Color;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+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;