import { IObserver } from '../observer/IObserver';
import { ITokenManager } from './Interfaces/ITokenManager';
import { KeycloakLogin } from '../models/keycloak-login';
export default class TokenManager extends ITokenManager {
    private readonly url;
    private accessToken?;
    private refreshToken?;
    private accessTokenExpireTime?;
    private refreshTokenExpireTime?;
    private clientId?;
    private clientSecret?;
    private username?;
    private password?;
    private refreshIntervalId?;
    private requestOfflineAccess;
    private isRefreshing;
    private hasWarnedShortTokens;
    constructor(url: string, observers?: IObserver[]);
    initializeManager: (keycloakLogin: KeycloakLogin) => Promise<void>;
    protected makeRefreshRequest: (apiConfig: {
        url: any;
        method?: string;
        headers?: Record<string, string>;
        body: any;
    }) => Promise<void>;
    protected refreshAccessToken: () => Promise<void>;
    /**
     * Re-authenticate using the password grant type when refresh token expires
     */
    protected reauthenticateWithPassword: () => Promise<void>;
    /**
     * Schedule token refresh based on the expiration times returned by Keycloak
     */
    protected scheduleTokenRefresh: () => void;
    protected notify: () => void;
}