+import jalview.api.AlignViewportI;
+import jalview.api.AlignViewControllerGuiI;
+import jalview.api.FeatureSettingsControllerI;
+import jalview.api.SplitContainerI;
+import jalview.controller.FeatureSettingsControllerGuiI;
+import jalview.datamodel.AlignmentI;
+import jalview.jbgui.GAlignFrame;
+import jalview.jbgui.GSplitFrame;
+import jalview.structure.StructureSelectionManager;
+import jalview.util.MessageManager;
+import jalview.util.Platform;
+import jalview.viewmodel.AlignmentViewport;
+