+import java.util.Locale;
+
+import jalview.analysis.AlignSeq;
+import jalview.analysis.AlignmentUtils;
+import jalview.datamodel.Alignment;
+import jalview.datamodel.AlignmentAnnotation;
+import jalview.datamodel.Annotation;
+import jalview.datamodel.HiddenColumns;
+import jalview.datamodel.Sequence;
+import jalview.datamodel.SequenceGroup;
+import jalview.datamodel.SequenceI;
+import jalview.io.FileFormat;
+import jalview.io.FormatAdapter;
+import jalview.util.Comparison;
+import jalview.util.MessageManager;
+import jalview.util.Platform;
+import jalview.workers.InformationThread;
+