/**
 * UI Login Authentication Provider
 *
 * Handles form-based UI login authentication using Playwright.
 * Supports TOTP for 2FA and session persistence.
 */
import { AuthProvider, AuthResult, UILoginAuthConfig, Cookie } from './index.js';
export declare class UILoginProvider implements AuthProvider<UILoginAuthConfig> {
    readonly type: "ui_login";
    authenticate(config: UILoginAuthConfig): Promise<AuthResult>;
    clear(config: UILoginAuthConfig): Promise<void>;
    validate(config: UILoginAuthConfig): Promise<boolean>;
    private getCacheKey;
    /**
     * Generate TOTP code (simplified version)
     */
    private generateTOTP;
    /**
     * Save session cookies to file
     */
    private saveSession;
    /**
     * Load session cookies from file
     */
    loadSession(filepath: string): Promise<Cookie[]>;
}