/**
 * [WHO]: Owns process-level handling for closed CLI output consumers
 * [FROM]: Depends only on Node writable streams and process lifecycle
 * [TO]: Installed by cli.ts before any fast-path or application output
 * [HERE]: CLI boundary policy for expected stdout/stderr disconnects
 */
export declare function isOutputDisconnectError(error: unknown): boolean;
export declare function installOutputDisconnectHandlers(): void;