import type * as React from 'react';
/** Which kind of entity a tagged key addresses. */
export type KeyType = 'item' | 'group';
/**
 * Build the type-tagged key (`item:x` / `group:x`) used for virtual row keys,
 * scroll targets, getSize lookups and raw-mode data-key attributes, so item
 * and group keys can never collide. Constructed and compared as a whole —
 * never parsed back.
 */
export declare const toTaggedKey: (oriKey: React.Key, type: KeyType) => string;