+ /**
+ * Reveals (unhides) consecutive hidden sequences just above the given
+ * alignment index. The revealed sequences are selected (including their
+ * visible representative sequence if there was one and 'reveal' is being
+ * performed on it).
+ *
+ * @param alignmentIndex
+ * @param hiddenRepSequences
+ * a map of representative sequences to the sequences they represent
+ * @return
+ */
+ public List<SequenceI> showSequence(int alignmentIndex,