import type { Readable, Writable } from "node:stream";
import { type WorkerHandler } from "./turn.js";
export interface ServeOptions {
    input: Readable;
    output: Writable;
    /** Stop the loop after this many ms with no control input (default 5 min). */
    idleMs?: number;
}
export declare function serveOn(handler: WorkerHandler, opts: ServeOptions): Promise<void>;
/** The public entry: wire stdin (fd 0) + an fd-3 Writable, then run the loop. */
export declare function serve(handler: WorkerHandler, opts?: {
    idleMs?: number;
}): Promise<void>;
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