+import jalview.bin.Cache;
+import jalview.datamodel.AlignmentAnnotation;
+import jalview.datamodel.AlignmentI;
+import jalview.datamodel.PDBEntry;
+import jalview.datamodel.SequenceFeature;
+import jalview.datamodel.SequenceI;
+import jalview.datamodel.features.SequenceFeatures;
+import jalview.gui.AlignFrame;
+import jalview.gui.Desktop;
+import jalview.gui.JvOptionPane;
+import jalview.structure.StructureImportSettings;
+import jalview.structure.StructureImportSettings.StructureParser;
+