ItemSetDeduplication

The means of deduplicating items by key and prioritizing originals in a tie-break.

Name	Summary
Default	MD5RankedCustodian if a custodian ranking is given, MD5 otherwise
MD5	MD5 results in items with the same MD5 hash being identical. Tie breaking is by highest path order.
MD5PerCustodian	MD5 Per Custodian results in items with the same MD5 hash and custodian being identical. Tie breaking is by highest path order.
MD5RankedCustodian	MD5 Ranked Custodian results in items with MD5 hash being identical. Tie breaking is by the item with the highest ranked custodian or highest path order if custodian ranking is equal.
Scripted	Scripted results in items being deduplicated based on an expression defined by the script and passed to ItemSet.addItems. It is an error to add items to this Item Set without supplying the expression.
None	None results in all items being added to the set without deduplication.