import { Key } from 'react-stately';
/**
 * Normalize selectedKeys to Set format
 */
export declare const normalizeSelectedKeys: (keys: Key | Key[] | undefined | null) => Set<Key>;
/**
 * Denormalize selectedKeys from Set to array
 * Always returns an array regardless of selection mode for simpler API
 */
export declare const denormalizeSelectedKeys: (keys: Set<Key>) => Key[];