/**
 * Cache configuration.
 */
export interface Config {
    /** Name of the cache file (without extension). */
    name?: string;
    /** Directory where the cache file will be saved. */
    directory?: string;
}
/**
 * Define cache configuration.
 * Returns the provided config object as-is.
 *
 * @param config - Partial configuration object.
 * @returns The same configuration object.
 *
 * @example
 * ```ts
 * import { defineConfig } from './config';
 * const config = defineConfig({ name: 'my-cache', directory: './data' });
 * ```
 */
export declare const defineConfig: (config?: Config) => Config;