API Reference > imodeljs-frontend > Tiles > DisclosedTileTreeSet DisclosedTileTreeSet Class A set of TileTrees disclosed by a set of objects implementing TileTreeDiscloser, used to collect references to tile trees in use by those objects. Implements Iterable<TileTree> Methods Name Description constructor(comparator?: OrderedComparator<TileTree, TileTree>): DisclosedTileTreeSet Construct a new set. [iterator](): Iterator<TileTree, any, undefined> Iterates all trees in the set. add(tree: TileTree): void Adds the specified tree to the set. clear(): void Clear the contents of this set. disclose(discloser: TileTreeDiscloser): void Add all tile trees referenced by discloser to the set. has(tree: TileTree): boolean Returns true if the specified tree has been DisclosedTileTreeSet.added to the set. Properties Name Type Description size Accessor ReadOnly number The number of trees in the set. Defined in core/frontend/src/tile/DisclosedTileTreeSet.ts Line 24 Last Updated: 12 June, 2024