--- /dev/null
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ *
+ * This file is part of Jalview.
+ *
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * Jalview is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.datamodel;
+
+import java.awt.Color;
+import java.util.BitSet;
+import java.util.List;
+
+public interface GroupSetI
+{
+ boolean hasGroups();
+
+ String getNewick();
+
+ boolean hasTree();
+
+ void updateGroups(List<BitSet> colGroups);
+
+ BitSet getGroupsFor(int column);
+
+ Color getColourForGroup(BitSet bs);
+
+ void setColorForGroup(BitSet bs, Color color);
+
+ void restoreGroups(List<BitSet> newgroups, String treeMethod, String tree,
+ double thresh2);
+
+ boolean hasCutHeight();
+
+ double getCutHeight();
+
+ String getTreeMethod();
+
+ List<BitSet> getGroups();
+
+}