+import jalview.datamodel.Alignment;
+import jalview.datamodel.AlignmentAnnotation;
+import jalview.datamodel.Sequence;
+import jalview.datamodel.SequenceI;
+import jalview.util.MessageManager;
+
+import java.io.IOException;
+import java.util.Hashtable;
+import java.util.StringTokenizer;
+import java.util.Vector;