-import jalview.analysis.AnnotationSorter.SequenceAnnotationOrder;
-import jalview.bin.Cache;
-import jalview.gui.Help.HelpId;
-import jalview.gui.StructureViewer.ViewerType;
-import jalview.io.BackupFiles;
-import jalview.io.BackupFilesPresetEntry;
-import jalview.io.FileFormatI;
-import jalview.io.JalviewFileChooser;
-import jalview.io.JalviewFileView;
-import jalview.jbgui.GPreferences;
-import jalview.jbgui.GSequenceLink;
-import jalview.schemes.ColourSchemeI;
-import jalview.schemes.ColourSchemes;
-import jalview.schemes.ResidueColourScheme;
-import jalview.urls.UrlLinkTableModel;
-import jalview.urls.api.UrlProviderFactoryI;
-import jalview.urls.api.UrlProviderI;
-import jalview.urls.desktop.DesktopUrlProviderFactory;
-import jalview.util.MessageManager;
-import jalview.util.Platform;
-import jalview.util.UrlConstants;
-import jalview.ws.sifts.SiftsSettings;
-