import { AuthPayload, AuthTokenOptions, StringAnyMap } from './interfaces';
export default class AuthKey {
    payload: AuthPayload;
    verifyFn: (accessToken: string) => StringAnyMap;
    constructor({payload, verify}: AuthTokenOptions);
    /**
     * Decodes and returns the payload of an accessToken
     */
    verify(accessToken: string): StringAnyMap | null;
}