+import jalview.fts.api.FTSData;
+import jalview.gui.structurechooser.PDBStructureChooserQuerySource;
+import jalview.gui.structurechooser.StructureChooserQuerySource;
+import jalview.gui.structurechooser.ThreeDBStructureChooserQuerySource;
+import jalview.jbgui.FilterOption;
+import jalview.ws.params.InvalidArgumentException;
+
+import java.util.Collection;