-import jalview.datamodel.SequenceI;
-import jalview.fts.api.FTSDataColumnI;
-import jalview.fts.core.FTSDataColumnPreferences;
-import jalview.fts.core.FTSDataColumnPreferences.PreferenceSource;
-import jalview.fts.service.pdb.PDBFTSRestClient;
-import jalview.gui.AlignmentPanel;
-import jalview.gui.Desktop;
-import jalview.gui.JvSwingUtils;
-import jalview.gui.StructureViewer;
-import jalview.util.MessageManager;
-