-import jalview.bin.Cache;
-import jalview.datamodel.AlignmentAnnotation;
-import jalview.datamodel.GraphLine;
-import jalview.datamodel.SequenceGroup;
-import jalview.gui.JalviewColourChooser.ColourChooserListener;
-import jalview.schemes.AnnotationColourGradient;
-import jalview.schemes.ColourSchemeI;
-import jalview.util.MessageManager;
-