/// <reference types="node" />
import { JsonObject } from 'type-fest';
/**
 * Various options that can be given to file system storage instance.
 */
export type FileSystemStorageOptions = {
    /**
     * Path to the directory where items are being stored.
     */
    dir: string;
    /**
     * Character encoding to use. Defaults to UTF-8.
     */
    encoding: BufferEncoding;
    /**
     * Custom serialization function used for converting JSON into text that is
     * stored to file system.
     *
     * `JSON.stringify` is used by default.
     */
    serialize: (data: JsonObject) => string;
    /**
     * Custom deserialization function used for converting data retrieved from
     * file system into JSON.
     *
     * `JSON.parse` is used by default.
     */
    deserialize: (data: string) => JsonObject;
};