What do the AD Component tasks "MaintainOtherSid" and "CleanUpOtherSid" do? (4317979)

In the standard, there is a process ADS_ADSDomain_Maintain_ADSOtherSID_Postsync which uses the AD component tasks "MaintainOtherSid" and "CleanUpOtherSid". What do these tasks do?

• Part 1: if not present, the task creates ADSOtherSID entries for unresolved references in DPRAttachedDataStore if possible
• Part 2: synchronize ADSOtherSIDInADSGroup
  • the task determines which ADSGroups should and shouldn't have an ADSOtherSid entry:
    • because there are unresolved references to that group in DPRAttachedDataStore
    • because the ADSGroup already has assignments to ADSOtherSID but there are no unresolved references anymore
  • the task then deletes existing superset ADSOtherSIDInADSGroup entries, in case the the last sync could resolve a previously unresolved reference and removed it from the DPRAttachedDatastore
  • the task then creates missing ADSOtherSIDInADSGroup entries. When a new ADSOtherSID entry was just created, each unresolved reference in DPRAttachedDataStore should be reflected by an ADSOtherSIDInADSGroup assignment

• this task deletes all non default entries from ADSOtherSid which are not assigned to any group