-import java.io.*;
-import java.util.*;
-
-import javax.xml.parsers.ParserConfigurationException;
-
-import org.xml.sax.SAXException;
-
-import fr.orsay.lri.varna.exceptions.ExceptionFileFormatOrSyntax;
-import fr.orsay.lri.varna.exceptions.ExceptionLoadingFailed;
-import fr.orsay.lri.varna.exceptions.ExceptionPermissionDenied;
+import jalview.datamodel.Sequence;
+import jalview.datamodel.SequenceI;
+import jalview.util.Format;
+import jalview.util.MessageManager;