import { type JsonLineReply } from "../subprocess/jsonl-server.js";
import type { TinyWorkerRequest, TinyWorkerResponse } from "./title-protocol.js";
export interface TinyWorkerServerOptions {
    /** Launch identity echoed in `pong`; clients replace a worker whose tag differs. */
    tag: string;
    /** Idle window (nothing in flight, no request received) after which the process exits. */
    idleMs: number;
    /** Serve one `load`/`chat`; `reply.send` reaches only the requesting client. Errors become `error` replies. */
    handle(request: Extract<TinyWorkerRequest, {
        type: "load" | "chat";
    }>, reply: JsonLineReply<TinyWorkerResponse>): Promise<void>;
}
/** The ONNX worker's endpoint: answers `ping`/`shutdown` inline and serializes `load`/`chat` through one queue. */
export declare class TinyWorkerServer {
    #private;
    constructor(options: TinyWorkerServerOptions);
    /** Bind `endpoint` and serve until idle exit or `shutdown`; resolves once the socket is released. */
    serve(endpoint: string): Promise<void>;
}