import { SignOptions, VerifyOptions, JwtPayload } from 'jsonwebtoken';
export interface JwtManagerOptions {
    secret: string;
    signOptions?: SignOptions;
    verifyOptions?: VerifyOptions;
}
export declare class JwtManager {
    private secret;
    private signOptions?;
    private verifyOptions?;
    constructor(options: JwtManagerOptions);
    sign(payload: string | Buffer | object, options?: SignOptions): string;
    verify<T extends object = JwtPayload>(token: string, options?: VerifyOptions): T;
    decode(token: string): null | {
        [key: string]: any;
    } | string;
}