import { IIndexSetCursor } from "../core/i_index_set_cursor.js";
/**
 * Count the number of set items in a cursor.
 *
 * @param cursor The cursor to count the items in.
 * @return {number} The count of items in the cursor set.
 */
export declare function cursorCount(cursor: IIndexSetCursor): number;
/**
 * Iterate over a cursor, getting all the local IDs.
 *
 * @param cursor The cursor to iterate over.
 * @yields {number} Every local ID within the cursor.
 */
export declare function cursorIterator(cursor: IIndexSetCursor): IterableIterator<number>;
/**
 * Iterate over a cursor, mapping the extracted local IDs to values.
 *
 * @param cursor The cursor to iterate over.
 * @param func
 * @yields {number} Every local ID within the cursor.
 */
export declare function cursorMap<TResult>(cursor: IIndexSetCursor, func: (localId: number) => TResult): IterableIterator<TResult>;
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