import { AuthConfig, AuthState } from './types';
export declare class AuthManager {
    private readonly config;
    private readonly tokenStorage;
    constructor(config: AuthConfig);
    /**
     * Get the authorization URL that the user needs to visit to grant access
     */
    getAuthorizationUrl(accessType?: 'online' | 'offline', prompt?: 'consent'): string;
    /**
     * Initialize the client with an authorization code
     */
    authenticateWithCode(code: string, accountsServer: string): Promise<void>;
    /**
     * Initialize the client with a refresh token
     */
    authenticateWithRefreshToken(refreshToken: string, accountsServer: string): Promise<void>;
    /**
     * Get the current authentication state
     */
    getAuthState(accountsServer: string): Promise<AuthState | undefined>;
    /**
     * Get a valid access token, refreshing if necessary
     */
    getValidToken(accountsServer: string): Promise<string>;
    /**
     * Clear the stored authentication state
     */
    clearAuthState(accountsServer: string): Promise<void>;
}