/// <reference types="node" />
/// <reference types="node" />
import { PathLike } from 'fs';
export interface FileSystem {
    mkdir(path: PathLike, options?: {
        recursive?: boolean;
    }): Promise<string | undefined>;
    readFile(file: PathLike): Promise<string | Buffer>;
    unlink(file: PathLike): Promise<void>;
    writeFile(file: PathLike, data: string): Promise<void>;
}