import type { Token } from './token';
import { TokenType } from './token';
export interface JWTData {
    iat?: number;
    exp?: number;
    twoFactorRequired?: boolean;
}
export declare class JWT implements Token {
    static parse(key: string): JWTData;
    static isValid(key: string): boolean;
    /**
     * @member type
     * @summary Get the type of token
     * @public
     *
     * @returns {TokenType} the type of token
     *
     * @example
     * console.log(token.type)
     */
    readonly type = TokenType.JWT;
    /**
     * @member key
     * @summary Get the original string key
     * @public
     *
     * @returns {string} string
     *
     * @example
     * console.log(token.key())
     */
    readonly key: string;
    constructor(key: string);
    /**
     * @member isValid
     * @summary Check if a token is valid
     * @function
     * @public
     *
     * @returns {boolean} is valid
     *
     * @example
     * console.log(token.isValid());
     */
    isValid: () => boolean;
    /**
     * @member getAge
     * @summary Get the token age
     * @function
     * @public
     *
     * @returns {number | undefined}
     *
     * @example
     * console.log(token.getAge());
     */
    getAge: () => number | undefined;
    /**
     * @member isExpired
     * @summary Check whether the token has expired
     * @function
     * @public
     *
     * @returns {boolean}
     *
     * @example
     * console.log(token.isExpired());
     */
    isExpired: () => boolean;
    /**
     * @member get2FAStatus
     * @summary Gets whether passing a 2FA challenge is pending, passed or not required.
     * @function
     * @public
     *
     * @returns {'not_required'|'pending'|'passed'}
     *
     * @example
     * console.log(token.get2FAStatus())
     */
    get2FAStatus: () => "pending" | "not_required" | "passed";
}