import jalview.datamodel.Sequence;
import jalview.datamodel.SequenceGroup;
import jalview.datamodel.SequenceI;
import jalview.gui.AlignFrame;
import jalview.gui.AlignViewport;
import jalview.gui.JvOptionPane;
import jalview.datamodel.Sequence;
import jalview.datamodel.SequenceGroup;
import jalview.datamodel.SequenceI;
import jalview.gui.AlignFrame;
import jalview.gui.AlignViewport;
import jalview.gui.JvOptionPane;