/**
 * Encoding and fail-closed decoding for the durable application mailbox's
 * command records (WFT-84). Index records live in
 * `mailbox-index-codec.ts`; shared readers in
 * `mailbox-codec-primitives.ts`.
 *
 * Decoding is deliberately paranoid. A mailbox record is the authority for
 * delivery, fencing, and terminal disposition, so a truncated, hand-edited, or
 * cross-version record must raise `PersistedDataCorruptError` rather than be
 * coerced into a plausible-looking state — silently treating a corrupt record
 * as `available` would redeliver work that already applied.
 *
 * @module core/mailbox-codec
 */
import type { ApplicationCommandRecord } from './mailbox-types.ts';
import { isApplicationCommandLeased } from './mailbox-types.ts';
/**
 * Decode one persisted command record, failing closed on anything unexpected.
 *
 * @throws {PersistedDataCorruptError} When the stored bytes are not a
 * well-formed current-version command record.
 */
export declare function decodeApplicationCommandRecord(bytes: Uint8Array, key: string): ApplicationCommandRecord;
/**
 * Encode a command record for storage.
 */
export declare function encodeApplicationCommandRecord(record: ApplicationCommandRecord): Uint8Array;
/**
 * Whether a decoded record still holds an attempt lease. Re-exported here so
 * storage callers need only one import.
 */
export { isApplicationCommandLeased };