/**
 * Operator transitions for the application delivery outbox (WFT-85): retrying
 * a parked, dead-lettered, or rejected delivery, and closing a parked one for
 * good.
 *
 * Both are ordinary compare-and-swap transitions on a terminal record. A retry
 * reopens the delivery — its open-count and due-index maintenance ride in the
 * same batch — and a dead-letter moves its retention entry to the new terminal
 * instant.
 *
 * @module core/outbox-operations
 */
import type { ApplicationDeliveryOperatorResult } from './outbox-contract.ts';
import { type OutboxRuntime } from './outbox-internals.ts';
/** Return a parked, dead-lettered, or rejected delivery to the due index with at least one more attempt: an unspent budget is kept, a spent one is raised by one. */
export declare function retryDelivery(runtime: OutboxRuntime, deliveryId: string): Promise<ApplicationDeliveryOperatorResult>;
/** Close a parked `unknown-outcome` delivery as dead-lettered. */
export declare function deadLetterDelivery(runtime: OutboxRuntime, deliveryId: string, reason: string | undefined): Promise<ApplicationDeliveryOperatorResult>;