import { IOptions } from './IOptions';
import * as Jwt from 'jsonwebtoken';
import { ISignOptions } from './ISignOptions';
import { IJwtToken } from './IJwtToken';
export declare class JwtService {
    private readonly options;
    constructor(options: IOptions);
    private privateKey;
    private publicKey;
    private readonly logger;
    protected onModuleInit(): Promise<void>;
    createToken(payload: object | string, options?: ISignOptions): IJwtToken;
    decodeToken(payload: string): Jwt.JwtPayload;
}