import type { NexusAI } from '../core/nexus.js';
export interface NexusRouteHandlerOptions {
    ai: NexusAI;
    stream?: boolean;
}
/**
 * Creates a Next.js `POST` route handler that completes the posted request, or streams it as
 * server-sent events when streaming is on.
 */
export declare function createNexusRouteHandler(options: NexusRouteHandlerOptions): (request: Request) => Promise<Response>;