SequenceI repSequence = alignment.getSequenceAt(alignmentIndex);
if (repSequence != null && hiddenRepSequences != null
&& hiddenRepSequences.containsKey(repSequence))
SequenceI repSequence = alignment.getSequenceAt(alignmentIndex);
if (repSequence != null && hiddenRepSequences != null
&& hiddenRepSequences.containsKey(repSequence))