import { HttpClient } from './http-client';
import { AuthResponse } from './types';
/**
 * Authentication manager for handling OAuth2 tokens
 *
 * Token lifetimes:
 * - Access token: varies (typically 1 hour), returned in `expires_in`
 * - Refresh token: 14 days (1209600 seconds) from issuance
 */
export declare class AuthManager {
    private httpClient;
    private clientId;
    private clientSecret;
    private accessToken;
    private refreshToken;
    private tokenExpiry;
    private refreshTokenExpiry;
    constructor(httpClient: HttpClient, clientId: string, clientSecret: string);
    /**
   * Authenticate with username and password
   */
    login(username: string, password: string): Promise<AuthResponse>;
    /**
   * Refresh the access token using the refresh token
   */
    refreshAccessToken(): Promise<AuthResponse>;
    /**
   * Get the current access token, refreshing if necessary
   */
    getAccessToken(): Promise<string>;
    /**
   * Check if the user is currently logged in
   */
    isLoggedIn(): boolean;
    /**
     * Logout and clear all tokens
     */
    logout(): void;
    /**
     * Set tokens from authentication response.
     * Preserves the existing refresh token if the server doesn't return a new one.
     *
     * Access token expiry is calculated from `expires_in`.
     * Refresh token expiry is set to 14 days from now when a new refresh token is issued.
     */
    private setTokens;
    /**
     * Check if the current access token is expired
     */
    private isTokenExpired;
    /**
     * Check if the refresh token is expired (14 day lifetime)
     */
    isRefreshTokenExpired(): boolean;
    /**
     * Get current token information
     */
    getTokenInfo(): {
        accessToken: string | null;
        refreshToken: string | null;
        expiresAt: Date | null;
        refreshTokenExpiresAt: Date | null;
    };
    /**
     * Restore tokens manually (useful for restoring session)
     *
     * @param accessToken - The access token
     * @param refreshToken - The refresh token
     * @param expiresAt - Access token expiry date
     * @param refreshTokenExpiresAt - Refresh token expiry date (optional, defaults to 14 days from now)
     */
    restoreTokens(accessToken: string, refreshToken: string, expiresAt: Date, refreshTokenExpiresAt?: Date): void;
}
//# sourceMappingURL=auth-manager.d.ts.map