/**
 * Executes a provided callback once for each key-value pair in the cache.
 *
 * @param {(value: string | number | boolean, key: string, map: Map<string, string | number | boolean>) => void} callbackfn
 *   Function to execute for each entry.
 */
export declare const forEach: (callbackfn: (value: string | number | boolean, key: string, map: Map<string, string | number | boolean>) => void) => void;