// Type definitions for fs-readfile-promise 3.0
// Project: https://github.com/shinnn/fs-readfile-promise
// Definitions by: Motosugi Murata <https://github.com/mtsg>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

/// <reference types="node" />
import { PathLike } from "fs";
type PathType = PathLike | number;
type OptionsType = { encoding: string; flag?: string; } | string;

export = fsReadFilePromise;

/**
 * Asynchronously reads the entire contents of a file.
 * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
 * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
 * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag.
 * If a flag is not provided, it defaults to `'r'`.
 */
declare function fsReadFilePromise(path: PathType, options: OptionsType): Promise<string>;

/**
 * Asynchronously reads the entire contents of a file.
 * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
 * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
 */
declare function fsReadFilePromise(path: PathType, options?: null): Promise<Buffer>;

declare namespace fsReadFilePromise { }