import { ConfigData } from "../types/session";
export declare class Encrypt {
    private password;
    private ivString;
    private iv;
    private ivstring;
    constructor(config: ConfigData);
    private sha1;
    private passwordDeriveBytes;
    encode(dataString: string): Promise<string | undefined>;
    decode(dataString: string): Promise<string | undefined>;
}
export default Encrypt;