-import jalview.datamodel.Alignment;
-import jalview.datamodel.AlignmentI;
-import jalview.datamodel.DBRefEntry;
-import jalview.datamodel.DBRefSource;
-import jalview.datamodel.SequenceFeature;
-import jalview.datamodel.SequenceI;
-import jalview.io.FormatAdapter;
-import jalview.io.IdentifyFile;
-import jalview.util.DBRefUtils;
-import jalview.util.MessageManager;
-import jalview.ws.dbsources.das.api.DasSourceRegistryI;
-import jalview.ws.seqfetcher.DbSourceProxy;
-