import { ControlClientError } from './client.js';
import type { ControlRequest, ControlResponse } from './protocol.js';
export interface SessionSocket {
    /** PID parsed from the socket filename. */
    pid: number;
    socketPath: string;
}
export interface SessionResult extends SessionSocket {
    /** Server response, or null if the socket was unreachable. */
    response: ControlResponse | null;
    /** Set when the socket couldn't be reached. */
    clientError?: ControlClientError;
    /** True when the socket was stale (refused / missing) and got unlinked. */
    reaped: boolean;
}
/**
 * List the `<pid>.sock` entries in `controlDir`, sorted by PID for stable
 * output. Returns `[]` if the directory is missing. Ignores anything that
 * isn't a `<digits>.sock` name.
 */
export declare function listSessionSockets(controlDir: string): SessionSocket[];
/**
 * Send `request` to every live session socket in parallel and collect the
 * per-session outcomes. Sockets that refuse the connection or have vanished
 * are treated as stale: they're unlinked and reported with `reaped: true`.
 * Never throws — transport failures land in each result's `clientError`.
 */
export declare function broadcast(controlDir: string, request: ControlRequest, timeoutMs?: number): Promise<SessionResult[]>;
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