/**
 * @pwngh/economy-lab
 *
 * Copyright (c) Preston Neal
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE.md file in the root directory of this source tree.
 *
 * @license MIT
 */
import type { Dispatcher, CallOptions, Ports, Store } from '../ports.js';
/**
 * Outcome of one relay run.
 * - `relayed`: delivered and marked done.
 * - `failed`: threw under the attempt cap; row stays 'pending' with `attempts` bumped, retried
 *   next run.
 * - `deadLettered`: hit the attempt cap. Row set to 'dead' and never re-claimed, so a poison
 *   event cannot block the events behind it.
 */
export type RelaySummary = {
    relayed: ReadonlyArray<string>;
    failed: ReadonlyArray<{
        id: string;
        code: string;
        retryable: boolean;
    }>;
    deadLettered: ReadonlyArray<{
        id: string;
        reason: string;
    }>;
};
/**
 * Delivers a batch of pending outbox events — each written in the same DB transaction as the
 * money move it describes.
 *
 * Delivery can happen more than once (delivery succeeded but marking done did not), so the
 * receiver must drop duplicates by event id.
 *
 * @see {@link https://economy-lab-docs.pages.dev/economy/reference/background-worker/ Background
 *   worker} for outbox relay run semantics and retries.
 */
export declare function relayOutbox(store: Store, ports: Ports, input: {
    dispatcher: Dispatcher;
    limit: number;
}, options?: CallOptions): Promise<RelaySummary>;