--- /dev/null
+package jalview.datamodel;
+
+import java.util.List;
+import java.util.Map;
+
+public interface SequenceCollectionI
+{
+ List<SequenceI> getSequences();
+ List<SequenceI> getSequences(Map<SequenceI,SequenceCollectionI> hiddenReps);
+ int getWidth();
+
+}