import { WebAuth } from 'auth0-js';
import EventEmitter from 'eventemitter3';
import * as types from './types';
import { TokenConfig } from './types';
type Events = 'access-success' | 'access-failure';
export declare class Authorizer extends EventEmitter<Events> {
    private _webAuth;
    _config: types.AuthorizerConfig;
    _checkSessionCount: number;
    _accesses: {
        [key: string]: types.AccessSuccess | types.AccessFailure;
    };
    _accessesToRefresh: {
        [key: string]: boolean;
    };
    constructor(config: Partial<types.AuthorizerConfig>, _webAuth: WebAuth);
    /**
     * This function returns after the first token has been retrieved (or failed).
     * It will also periodically refresh the token, so you need to listen for
     * 'access-success' and 'access-failure' to be informed when the token changes.
     */
    authorize(tokenConfig: TokenConfig, license: string): Promise<types.AccessSuccess | types.AccessFailure>;
    authorizeOnce(tokenConfig: TokenConfig, license: string): Promise<types.AccessSuccess | types.AccessFailure>;
    unauthorize(key: string, license: string): Promise<void>;
    getAccesses(): (types.AccessSuccess | types.AccessFailure)[];
    hasAccess(key: string, license: string): boolean;
    getAccess(key: string, license: string): types.AccessSuccess | types.AccessFailure;
    isRefreshing(key: string, license: string): boolean;
    private _accessKey;
    private _setAccess;
    private _setRefresh;
    private _keepTokenFresh;
    private _refreshToken;
    private _onTokenSuccess;
    private _onTokenFailure;
    private _checkSession;
}
export {};