/**
 * Confirms if a given path is writable.
 *
 * @param   {string}  file
 *
 * @returns {Promise<boolean>}
 * @category File System
 */
export function isWritable(file: string): Promise<boolean>;
/**
 * Attempts to create a file at the given path, creating any missing folders along the way.
 * If the file already exists, its modification time will be updated.
 *
 * @param   {string} file
 *
 * @category File System
 */
export function touch(file: string): Promise<any>;
/**
 * Deletes the file at the given path, if it exists.
 *
 * @param   {string} file
 *
 * @category File System
 */
export function remove(file: string): Promise<any>;
/**
 * Write the passed data structure to a file as JSON.
 *
 * @param   {string} file
 * @param   {Object|Array} object
 * @param   {Object} [options] Options for fs.writeFile
 * @param   {string} [options.encoding] File encoding for the data, defaults to utf8
 *
 * @alias writeJSON
 * @category File System
 */
export function writeJson(file: string, object: any | any[], options?: {
    encoding?: string;
}): Promise<void>;
/**
 * Reads a JSON file from disk and parses its contents.
 *
 * @param   {string}   file
 * @param   {Object}   [options] Options for fs.readFile
 * @param   {Function} [options.reviver]
 * @param   {boolean}  [options.quiet]
 * @param   {string}   [options.encoding] File encoding for the data, defaults to utf8
 *
 * @returns {Object|Array|string|number|boolean}
 * @alias readJSON
 * @category File System
 */
export function readJson(file: string, { reviver, quiet, ...options }?: {
    reviver?: Function;
    quiet?: boolean;
    encoding?: string;
}): any | any[] | string | number | boolean;
export const pipeline: any;
export function mkdir(f: any, recursive?: boolean): any;
export function exists(f: any): any;
export function stat(f: any): any;
export function linkStat(f: any): any;
/**
 * Write the passed data structure to a file as JSON.
 *
 * @param   {string} file
 * @param   {Object|Array} object
 * @param   {Object} [options] Options for fs.writeFile
 * @param   {string} [options.encoding] File encoding for the data, defaults to utf8
 *
 * @alias writeJSON
 * @category File System
 */
export function writeJSON(file: string, object: any | any[], options?: {
    encoding?: string;
}): Promise<void>;
/**
 * Reads a JSON file from disk and parses its contents.
 *
 * @param   {string}   file
 * @param   {Object}   [options] Options for fs.readFile
 * @param   {Function} [options.reviver]
 * @param   {boolean}  [options.quiet]
 * @param   {string}   [options.encoding] File encoding for the data, defaults to utf8
 *
 * @returns {Object|Array|string|number|boolean}
 * @alias readJSON
 * @category File System
 */
export function readJSON(file: string, { reviver, quiet, ...options }?: {
    reviver?: Function;
    quiet?: boolean;
    encoding?: string;
}): any | any[] | string | number | boolean;