import { Value } from '../utils/load.js';
/**
 * Sets a key-value pair in the cache and persists it to disk.
 *
 * @async
 * @param {string} key - The key to set in the cache.
 * @param {Value} value - The value to associate with the key.
 * @returns {Promise<Map<string, Value>>} Resolves to the updated cache Map.
 */
export declare const set: (key: string, value: Value) => Promise<Map<string, Value>>;