+import jalview.api.ComplexAlignFile;
+import jalview.api.FeaturesDisplayedI;
+import jalview.bin.Jalview;
+import jalview.datamodel.AlignmentI;
+import jalview.datamodel.ColumnSelection;
+import jalview.datamodel.PDBEntry;
+import jalview.datamodel.SequenceI;
+import jalview.gui.AlignFrame;
+import jalview.gui.AlignViewport;
+import jalview.gui.Desktop;
+import jalview.gui.Jalview2XML;
+import jalview.schemes.ColourSchemeI;
+import jalview.structure.StructureSelectionManager;
+import jalview.util.MessageManager;