import { ConfigManager } from './config';
export declare class Auth {
    private static DEFAULT_CLIENT_ID;
    private static AUTH_TIMEOUT;
    private static generateCodeVerifier;
    private static generateCodeChallenge;
    private static generateState;
    private static findAvailablePort;
    private static getAuthUrl;
    private static getTokenUrl;
    private static getCallbackHtml;
    static getAuthorizationToken(configManager: ConfigManager): Promise<string>;
}