import { LockError } from "../common/backend.js";
/**
 * Maps PostgreSQL errors to LockError instances.
 *
 * @param error - Error from postgres.js
 * @returns LockError with appropriate code
 */
export declare function mapPostgresError(error: unknown): LockError;
/**
 * Throws LockError("Aborted") if signal is aborted.
 * Used for manual AbortSignal checking since postgres.js doesn't natively support it.
 *
 * @param signal - Optional AbortSignal to check
 * @throws {LockError} With code "Aborted" if signal is aborted
 */
export declare function checkAborted(signal?: AbortSignal): void;