/** Acquire the CC-shape lock for `target` (a file or directory path). Returns a release fn that
 *  THROWS if the lock was found compromised (stale-reclaimed mid-hold) — the caller's critical
 *  section may have overlapped and its effects must not be silently trusted. */
export declare function acquireCcLock(target: string, opts?: {
    staleMs?: number;
}): Promise<() => void>;
/** Run `fn` under the CC lock for `target` — the adapters' single critical-section helper. A
 *  compromised lock surfaces as a throw AFTER `fn` (the release fence), so a raced write is never
 *  silently reported as success. */
export declare function withCcLock<T>(target: string, fn: () => T | Promise<T>): Promise<T>;