import { type RequestHandler, Router } from "express";
/** Options for the assistant HTTP router. */
export interface AssistantRouterOptions {
    /** Optional auth guard (e.g. Bearer token). Applied before every route. */
    guard?: RequestHandler;
    /** Optional rate limiter for POST /chat. Defaults to 20 req/min per IP. */
    rateLimit?: RequestHandler;
}
/** Builds a fresh Express router exposing the assistant over HTTP. */
export declare function useCreateAssistantRouter(options?: AssistantRouterOptions): Router;
/**
 * Mounts the assistant routes on the shared Express app and starts the server.
 * Idempotent — subsequent calls are no-ops.
 *
 * @param port - Port to listen on (default: 3000)
 * @param host - Host to bind to (default: "localhost")
 * @param mountPath - Base path for the assistant routes (default: "/assistant")
 * @param options - Router options (e.g. an auth `guard`)
 *
 * @example
 * ```ts
 * useStartAssistant(3000, "localhost", "/assistant", { guard: requireAuth });
 * // POST /assistant/chat
 * ```
 */
export declare function useStartAssistant(port?: number, host?: string, mountPath?: string, options?: AssistantRouterOptions): void;
//# sourceMappingURL=assistant.service.d.ts.map