/**
 * Encoding and fail-closed decoding for the durable application outbox's
 * delivery records (WFT-85). Index records live in
 * `outbox-index-codec.ts`.
 *
 * Decoding is deliberately paranoid, as the mailbox's is. A delivery record is
 * the authority for fencing, disposition, and whether an effect may already
 * have happened, so a truncated, hand-edited, or cross-version record must
 * raise `PersistedDataCorruptError` rather than be coerced into a plausible
 * state — silently treating a corrupt record as `queued` would resend work
 * that already reached its destination.
 *
 * @module core/outbox-codec
 */
import type { ApplicationDeliveryRecord } from './outbox-types.ts';
/**
 * Decode one persisted delivery record, failing closed on anything unexpected.
 *
 * @throws {PersistedDataCorruptError} When the stored bytes are not a
 * well-formed current-version delivery record.
 */
export declare function decodeApplicationDeliveryRecord(bytes: Uint8Array, key: string): ApplicationDeliveryRecord;
/** Encode a delivery record for storage. */
export declare function encodeApplicationDeliveryRecord(record: ApplicationDeliveryRecord): Uint8Array;