import type { RequestHandler } from "express";
import { ProxyConfig } from "./config";
/**
 * The default Express route for the fal.ai client proxy.
 */
export declare const route = "/api/fal/proxy";
/**
 * Creates a request handler that proxies requests to the fal API.
 *
 * This is a drop-in handler for Express applications so that the client can be called
 * directly from the client-side code while keeping API keys safe.
 *
 * @param config the proxy configuration options.
 * @returns an Express request handler function.
 */
export declare const createHandler: (config?: Partial<ProxyConfig>) => RequestHandler;
/**
 * The Express route handler for the fal.ai client proxy.
 *
 * @param request The Express request object.
 * @param response The Express response object.
 * @param next The Express next function.
 *
 * @deprecated Use `createHandler` instead.
 */
export declare const handler: RequestHandler;