import { Request, Response, NextFunction } from 'express';
import { BaseError } from '../utils/error-handling.js';
/**
 * Middleware for logging requests (for development debug only)
 */
export declare function requestLogger(req: Request, res: Response, next: NextFunction): void;
/**
 * Middleware for error handling
 */
export declare function errorHandler(err: Error | BaseError | unknown, req: Request, res: Response, next: NextFunction): void;
/**
 * Middleware for validating session ID
 */
export declare function validateSessionId(req: Request, res: Response, next: NextFunction): void;