///
import * as FS from 'fs-extra';
export declare function exists(f: string): Promise;
export declare function stat(file: string): Promise;
export declare function rename(from: string, to: string): Promise;
export declare function remove(file: string): Promise;
export declare function ls(dir: string): Promise<{
path: string;
stat: FS.Stats;
}[]>;
export declare function removeEmptyDirs(dir: string): Promise;
export declare function readJSON(file: string): Promise;
export declare function outputJSON(file: string, data: any, options?: FS.WriteOptions): Promise;
export declare function realpathSync(p: string): string;