import { ServerPasswordChallenge } from './ServerPasswordChallenge';
import { ClientPasswordChallenge } from './ClientPasswordChallenge';
export interface ServerUser {
    username: string;
    salt: string;
    verifier: string;
}
export interface ClientUser {
    username: string;
    password: string;
}
export declare class UserPool {
    private poolname;
    constructor(poolname: string);
    createUser(user: ClientUser, salt?: string): Promise<ServerUser>;
    getServerChallenge(user: ServerUser): Promise<ServerPasswordChallenge>;
    getClientChallenge(user: ClientUser): Promise<ClientPasswordChallenge>;
}