declare const Challenge: {
    create: (options: any) => any;
    set: (args: any, domain: string, challengePath: string, keyAuthorization: any, done: (err?: NodeJS.ErrnoException) => void) => void;
    get: (defaults: any, domain: string, key: string, done: () => void) => void;
    remove: (defaults: any, domain: string, key: string, done: () => void) => void;
    loopback: (defaults: any, domain: string, key: string, done: (err?: NodeJS.ErrnoException, value?: any) => void) => void;
};
export default Challenge;