import { LockError } from "../common/backend.js";
/**
 * Checks if an AbortSignal has been aborted and throws LockError if so.
 * Redis backend uses pre-dispatch checking since ioredis does not accept AbortSignal parameters.
 *
 * @param signal - Optional AbortSignal to check
 * @throws LockError("Aborted") if signal is aborted
 */
export declare function checkAborted(signal?: AbortSignal): void;
/**
 * Maps Redis client errors to standardized LockError codes.
 *
 * @param error - Redis client error or string
 * @returns LockError with appropriate code and context
 * @see docs/specs/interface.md
 */
export declare function mapRedisError(error: any): LockError;