API Reference > imodeljs-frontend > Tiles > DisclosedTileTreeSet > constructor constructor Method Construct a new set. DisclosedTileTreeSet(comparator?: OrderedComparator<TileTree, TileTree>): DisclosedTileTreeSet Parameter Type Description comparator OrderedComparator<TileTree, TileTree> If supplied, a comparison function used to determine the order of iteration of the set; otherwise, iteration will proceed in insertion order. Returns - DisclosedTileTreeSet Defined in core/frontend/src/tile/DisclosedTileTreeSet.ts Line 31 Last Updated: 11 June, 2024