/*
* Determine whether the parent is the current BIN, or in the case
* of a DupCountLN, a DIN. Get the tree LSN in either case.
*/
boolean isDupCountLN = ln.containsDuplicates();
long treeLsn;
if (isDupCountLN) {
parentDIN = (DIN) bin.fetchTarget(index);
parentDIN.latch(Cleaner.UPDATE_GENERATION);
ChildReference dclRef = parentDIN.getDupCountLNRef();