/**
 * Filesystem paths for the MLflow trace WAL (Write-Ahead Log) spool.
 *
 * A spool is shared across all Claude Code sessions
 *
 * The daemon's singleton lock is scoped per `(user, spool root)` on both
 * platforms; its exact location depends on the platform and the resolved
 * spool root's length:
 * - POSIX, common case: `<spool>/daemon.sock` next to `queue.log`.
 * - POSIX, long-path fallback: `<tmpdir>/mlflow-<scoped_id>.sock` when the
 *   natural path would exceed `sun_path`.
 * - Windows: a Named Pipe whose name embeds a hash of the spool root.
 */
/**
 * Root directory of the per-user spool. Defaults to `~/.mlflow/wal/`.
 */
export declare function getWalDir(): string;
/**
 * Append-only Write-Ahead Log of pending trace uploads.
 */
export declare function getWalPath(): string;
/**
 * Append-only dead-letter file containing records whose retry-budget window
 * (`MLFLOW_ASYNC_TRACE_LOGGING_RETRY_TIMEOUT`) has elapsed. Records here are
 * durable and inspectable / replayable by operators.
 */
export declare function getDeadLetterPath(now?: Date): string;
/**
 * Daemon log file with diagnostic lines (retries, DLQ entries, fatal errors).
 */
export declare function getDaemonLogPath(now?: Date): string;
export declare function getPidLockPath(): string;
/**
 * Path used as the daemon's singleton liveness lock.
 */
export declare function getLockSocketPath(): string;