export type JwtToken<A extends Record<string, any>> = {
    exp: number;
    iat: number;
} & A;
export declare class JWT<A extends Record<string, any>> {
    private readonly token;
    private readonly exp;
    private iat;
    private readonly data;
    constructor(token: string);
    static parseJwt<A extends Record<string, any> = any>(token: string): JwtToken<A>;
    isExpired(): boolean;
    getExpireDate(): Date;
    getData(): JwtToken<A>;
    getToken(): string;
    getHeader(): string;
}