/**
 * Express authentication middleware factory
 */
import type { Request, Response, NextFunction } from 'express';
import type { AuthMiddlewareOptions } from '../types.js';
/**
 * Create an authentication middleware for Express
 *
 * @example
 * ```typescript
 * import { createAuthMiddleware } from '@originals/auth/server';
 *
 * const authenticateUser = createAuthMiddleware({
 *   getUserByTurnkeyId: async (turnkeyId) => {
 *     return db.query.users.findFirst({
 *       where: eq(users.turnkeySubOrgId, turnkeyId)
 *     });
 *   },
 *   createUser: async (turnkeyId, email, temporaryDid) => {
 *     return db.insert(users).values({
 *       turnkeySubOrgId: turnkeyId,
 *       email,
 *       did: temporaryDid,
 *     }).returning().then(rows => rows[0]);
 *   }
 * });
 *
 * app.get('/api/protected', authenticateUser, (req, res) => {
 *   res.json({ user: req.user });
 * });
 * ```
 */
export declare function createAuthMiddleware(options: AuthMiddlewareOptions): (req: Request, res: Response, next: NextFunction) => Promise<void | Response>;
/**
 * Optional authentication middleware - doesn't fail if not authenticated
 * Attaches user to request if valid token exists, otherwise continues without user
 */
export declare function createOptionalAuthMiddleware(options: AuthMiddlewareOptions): (req: Request, res: Response, next: NextFunction) => Promise<void>;
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