import express from 'express';
/**
 * Mount Express Sweet extensions on your Express application.
 * Initializes all middleware components in a specific order to ensure proper functionality.
 *
 * **Initialization Order:**
 * 1. Global variables
 * 2. Environment variables (.env)
 * 3. Database models
 * 4. HTTP middleware (body parsing, cookies, static files)
 * 5. View engine (Handlebars)
 * 6. CORS configuration
 * 7. Local variables
 * 8. Authentication (Passport.js)
 * 9. URL routing
 * 10. Error handler
 *
 * @param {express.Express} app Express application instance
 * @returns {Promise<void>}
 * @example
 * ```js
 * // Basic usage
 * import express from 'express';
 * import * as expx from 'express-sweet';
 *
 * const app = express();
 * await expx.mount(app);
 *
 * app.listen(3000, () => {
 *   console.log('Server running on port 3000');
 * });
 * ```
 * @example
 * ```js
 * // With custom middleware
 * import express from 'express';
 * import * as expx from 'express-sweet';
 *
 * const app = express();
 *
 * // Mount Express Sweet
 * await expx.mount(app);
 *
 * // Add custom routes after mounting
 * app.get('/custom', (req, res) => {
 *   res.send('Custom route');
 * });
 *
 * app.listen(3000);
 * ```
 */
export default function mount(app: express.Express): Promise<void>;