import { VerifyOptions } from 'jsonwebtoken';
export declare abstract class JsonWebToken {
    protected token: string;
    protected pem?: string;
    protected options: VerifyOptions;
    protected header: object;
    protected payload: any;
    protected signature: string;
    /**
     * Constructs a new CognitoJwtToken object
     * @param {string} token The JWT token.
     * @param {string} [pem]
     * @param {VerifyOptions} [options]
     */
    constructor(token: string, pem?: string, options?: VerifyOptions);
    protected getJwtPayload<T>(): T;
    /**
     * Get the JWT payload
     * @returns {Object}
     */
    getPayload(): object;
    /**
     * Get the encoded JSON Web Token string.
     *
     * @deprecated since version 1.2.0.
     *  Will be deleted in version 2.0.0.
     *  Use getToken() instead.
     *
     * @returns {string} the record's token.
     */
    getJwtToken(): string;
    /**
     * Get the encoded JSON Web Token string.
     * @returns {string} the record's token.
     */
    getToken(): string;
    /**
     * Get decoded header.
     * @returns {string}
     */
    getHeader(): object;
    /**
     * Get decoded signature.
     * @returns {string}
     */
    getSignature(): string;
    getPropertyValue(propertyName: string): any;
}