import { Context } from "hono";
export type FalHonoProxyOptions = {
    /**
     * A function to resolve the API key used by the proxy.
     * By default, it uses the `FAL_KEY` environment variable.
     */
    resolveApiKey?: () => Promise<string | undefined>;
};
type RouteHandler = (context: Context) => Promise<Response>;
/**
 * Creates a route handler that proxies requests to the fal API.
 *
 * This is a drop-in handler for Hono applications so that the client can be called
 * directly from the client-side code while keeping API keys safe.
 *
 * @param param the proxy options.
 * @returns a Hono route handler function.
 */
export declare function createRouteHandler({ resolveApiKey, }: FalHonoProxyOptions): RouteHandler;
export {};