import { LockError } from "../common/backend.js";
/**
 * Internal error type used to signal non-retryable abort from within Firestore transactions.
 * When thrown inside a transaction callback, Firestore will not retry the transaction.
 * This prevents infinite retry loops when AbortSignal is triggered.
 *
 * @internal Used only within Firestore operation implementations
 */
export declare class FirestoreAbortError extends Error {
    readonly __firestoreAbortMarker = true;
    constructor(message?: string);
}
/**
 * Checks if an AbortSignal has been aborted and throws FirestoreAbortError if so.
 * Use this inside Firestore transaction callbacks to prevent automatic retries.
 *
 * @param signal - Optional AbortSignal to check
 * @throws FirestoreAbortError if signal is aborted (non-retryable by Firestore)
 * @internal Used by Firestore operation implementations
 */
export declare function checkAbortedForTransaction(signal?: AbortSignal): void;
/**
 * Maps Firestore SDK errors to standardized LockError codes.
 *
 * @param error - Firestore SDK error or string
 * @returns LockError with appropriate code and context
 * @see docs/specs/interface.md
 */
export declare function mapFirestoreError(error: any): LockError;