/**
 * True when an error from a writer that owns its sink reports that the peer
 * closed that sink. This intentionally accepts structural error objects rather
 * than requiring an `Error` instance.
 */
export declare function isKnownSinkPeerClosedError(error: unknown): boolean;
/**
 * Backward-compatible local-sink classifier for output writers. Callers must
 * use it only when they own the sink that produced the error.
 */
export declare function isBrokenPipeError(error: unknown): boolean;
/**
 * A classifier for process-level stdout peer-closed errors (`EPIPE`, `EIO`,
 * `EBADF`). Its direct-write evidence is private to each factory instance, so
 * only the owner that intercepted `process.stdout.write` can mark an error
 * for this classifier.
 */
export interface ProcessStdoutEpipeClassifier {
    markDirectProcessStdoutWriteError(error: unknown): void;
    isAttributableProcessStdoutEpipe(error: unknown): boolean;
}
export declare function createProcessStdoutEpipeClassifier(): ProcessStdoutEpipeClassifier;
/**
 * Exit code for a producer terminated because its output pipe broke:
 * 128 + SIGPIPE (13), matching what shells report for SIGPIPE-killed tools
 * in `foo | head`-style pipelines.
 */
export declare const BROKEN_PIPE_EXIT_CODE = 141;