Referencefindingslibrary.large-list.multilevel-group-by-indexedOn this pagelibrary.large-list.multilevel-group-by-indexed Probe surface: library Run: library-large-list-multilevel-group-view/20260908-sandbox Question: Is a three-level group-by served once all three of its columns are indexed machine Outcome: VOID Evidence: the narrowed control did not hold, so a refusal here cannot be told from the server rejecting a three-FieldRef <GroupBy>. Index writes: LVChoice INDEXED, LVNumber INDEXED, LVDate INDEXED All findings