-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;
-