/**
 * @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 { WorkerCtx } from '../contract.js';
import type { Store } from '../ports.js';
/**
 * Result of one renewal sweep. Each due subscription appears in exactly one list, by id.
 *
 * - `charged`: the renewal was funded and posted, and the due date advanced.
 * - `lapsed`: the buyer could not cover the price, so the row was marked LAPSED and nothing was charged.
 * - `deadLettered`: billing threw a non-retryable error, so the row was given up on and the reason recorded.
 * - `retrying`: billing threw a temporary error, so the row was left for the next sweep and the
 * code recorded.
 */
export type SweepSummary = {
    charged: ReadonlyArray<string>;
    lapsed: ReadonlyArray<string>;
    deadLettered: ReadonlyArray<{
        id: string;
        reason: string;
    }>;
    retrying: ReadonlyArray<{
        id: string;
        code: string;
    }>;
};
/**
 * Bill every due subscription, one at a time. If the buyer can afford it, charge and advance the
 * due date one period; if not, mark lapsed and charge nothing. Each is billed in its own try/catch
 * so an error on one is recorded and the sweep moves on.
 *
 * `now` is epoch ms; `limit` caps how many due subscriptions this run claims.
 *
 * @see {@link https://economy-lab-docs.pages.dev/economy/reference/background-worker/ Background
 *   worker} for how this sweep claims, bills, and advances due subscriptions.
 */
export declare function sweepDueSubscriptions(store: Store, ctx: WorkerCtx, input: {
    now: number;
    limit: number;
}): Promise<SweepSummary>;