/// <reference types="node" />
import _fs from 'fs';
export interface WriteOptions {
    encoding?: BufferEncoding;
    mode?: string | number | undefined;
    flag?: string | undefined;
}
declare function copy(src: string, dist: string, opts?: {
    /** return true will skip */
    skip?: (file: string, stat: _fs.Stats) => Promise<boolean | void> | boolean | void;
    /** overwrite if exists, default is true */
    overwrite?: boolean;
}): Promise<void>;
export declare type WatchDirHandler = (event: string, filename: string) => void;
export declare type WatchDirOptions = {
    persistent?: boolean;
    /** ms, default 300 */
    threshold?: number;
};
declare function watchDir(dir: string, cb: WatchDirHandler): void;
declare function watchDir(dir: string, options: WatchDirOptions, cb: WatchDirHandler): void;
export declare const fs: typeof _fs & typeof _fs.promises & {
    watchDir: typeof watchDir;
    copy: typeof copy;
    exists(path: _fs.PathLike): Promise<boolean>;
    /** exists via lstat, if a symbolic link's target file doesn't exists, `fs.exists` will return false, but `fs.lexists` will return true. */
    lexists(path: _fs.PathLike): Promise<boolean>;
    isFile(path: _fs.PathLike): Promise<boolean>;
    isDirectory(path: _fs.PathLike): Promise<boolean>;
    isSymbolicLink(path: _fs.PathLike): Promise<boolean>;
    copyFile: typeof _fs.copyFile.__promisify__ | ((src: _fs.PathLike, dist: _fs.PathLike) => Promise<unknown>);
    /**
     * Make directory with parents, like `mkdir -p`
     * @param dir
     */
    mkdirp(dir: string): Promise<void>;
    /**
     * Make directory with parents, like `mkdir -p`
     * @param dir
     */
    mkdirpSync(dir: string): void;
    /**
     * Remove file or directory recursively, like `rm -rf`
     * @param path The path to remove
     * @param opts Options
     */
    rmrf(path: string): Promise<void>;
    outputFile(path: string, data: any, options?: WriteOptions | undefined): Promise<void>;
    outputFileSync(path: string, data: any, options?: WriteOptions | undefined): void;
    outputJson(path: string, data: object, options?: ({
        space?: number | undefined;
        replacer?: ((key: string, value: any) => any) | undefined;
    } & WriteOptions) | undefined): Promise<void>;
    outputJsonSync(path: string, data: any, options?: ({
        space?: number | undefined;
        replacer?: ((key: string, value: any) => any) | undefined;
    } & WriteOptions) | undefined): void;
    readJson<T = any>(path: string, options?: {
        encoding?: null | undefined;
        flag?: string | undefined;
    } | null | undefined): Promise<T>;
    readJsonSync<T_1 = any>(path: string, options?: {
        encoding?: null | undefined;
        flag?: string | undefined;
    } | null | undefined): T_1;
    iter(dir: string, skip: (path: string, stat: _fs.Stats) => Promise<boolean | void> | boolean | void): Promise<void>;
};
export {};