import { type Socket } from "node:net";
/**
 * Lifecycle owner for local RPC follower sockets. A disconnected follower is
 * dropped instead of crashing the daemon: readline re-emits asynchronous
 * socket write failures (such as EPIPE) on its Interface, so the Interface
 * and the socket share one cleanup, and sends skip sockets that can no
 * longer receive.
 */
export declare class RpcFollowers {
    private readonly sockets;
    attach(sock: Socket, onLine: (line: string) => void): void;
    send(sock: Socket, obj: unknown): void;
    /** Destroy every follower so server.close() cannot hang on live sockets. */
    destroyAll(): void;
    private drop;
}
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