export declare class ThreadLockError extends Error {
    readonly threadId: string;
    readonly ownerPid: number;
    constructor(threadId: string, ownerPid: number);
}
/**
 * Attempt to acquire a lock for the given thread.
 * Throws ThreadLockError if another live process holds the lock.
 * Reclaims stale locks from dead processes.
 */
export declare function acquireThreadLock(threadId: string): void;
/**
 * Release the lock for the given thread (only if we own it).
 */
export declare function releaseThreadLock(threadId: string): void;
/**
 * Check if a thread is locked by another process.
 * Returns the PID of the owner if locked, null otherwise.
 */
export declare function getThreadLockOwner(threadId: string): number | null;
/**
 * Release all thread locks owned by this process.
 * Call this on process exit.
 */
export declare function releaseAllThreadLocks(): void;
//# sourceMappingURL=thread-lock.d.ts.map