import { EventEmitter } from 'events';
import { AccessTokenData } from '../auth/';
declare enum TOPIC {
    ACCESS_TOKEN_REFRESH = "AccessTokenStore.TOPIC.ACCESS_TOKEN_REFRESH"
}
export interface AccessTokenStore {
    on(event: TOPIC.ACCESS_TOKEN_REFRESH, listener: (accessToken: AccessTokenData) => void): this;
}
export declare class AccessTokenStore extends EventEmitter {
    private readonly logger;
    static readonly TOPIC: typeof TOPIC;
    accessTokenData?: AccessTokenData;
    /**
     * The date at which the token will be invalid. This value should be use with a grain of salt as there might be some time shift between browser and server time
     * It is suggested to add an error margin
     */
    tokenExpirationDate?: number;
    /**
     * Marker token used when opening a new WebSocket connection.
     * It is used to know we have processed all notifications up to this marker,
     * any notifications received after the marker is returned from websocket
     * are considered live notifications
     * @note This is a random token generated by the client.
     */
    markerToken?: string;
    constructor();
    delete: () => Promise<void>;
    updateToken: (accessToken: AccessTokenData) => Promise<AccessTokenData>;
    getNextMarkerToken: () => string;
    getAccessToken: () => string | undefined;
}
export {};
//# sourceMappingURL=AccessTokenStore.d.ts.map