/// <reference types="node" />
import { SessionManagerParameters, SessionState } from './types';
declare class SessionManager {
    private accessTokenUrl;
    private onAuthenticationRequest;
    private onAuthenticationRequestAsync;
    private token;
    private expDate?;
    private iatDate?;
    private tokenLifespanInMilliseconds;
    private tokenRefreshIntervalHandle;
    private tokenCheckIntervalHandle;
    private intervalInMilliseconds;
    private failedAttemptsNumber;
    private maxRetryNumber;
    private tokenValid;
    private managerInitialized;
    private managerInitializing;
    private logger;
    private subscriptions;
    private apiUrl?;
    constructor({ accessTokenUrl, onAuthenticationRequest, onAuthenticationRequestAsync, intervalInMilliseconds, maxRetryNumber, apiUrl, }: SessionManagerParameters);
    initialize(): void;
    private authenticateUser;
    private notifySubscribers;
    checkTokenRefresh(): NodeJS.Timer;
    private handleDecodedToken;
    private getTokenLifespan;
    destroy(): void;
    subscribe(callback: (session: SessionState) => void): () => void;
    get accessToken(): string;
    get isTokenValid(): boolean;
    get isManagerInitialized(): boolean;
}
export default SessionManager;