import type { OutboxEvent, OutboxReceipt, OutboxStore } from "./store.js";
declare const OUTBOX_PROCESSOR: unique symbol;
export interface OutboxHandlerContext {
    operationNonce: string;
}
export type OutboxHandler = (event: Readonly<OutboxEvent>, context: Readonly<OutboxHandlerContext>) => Record<string, unknown> | Promise<Record<string, unknown>>;
export interface ProcessOutboxEventInput {
    eventId: string;
    consumerId: string;
    processedAt: string;
}
export type ProcessOutboxEventResult = {
    status: "processed";
    event: OutboxEvent;
    receipt: OutboxReceipt;
} | {
    status: "replayed";
    event: OutboxEvent;
    receipt: OutboxReceipt;
};
export interface OutboxProcessor {
    readonly [OUTBOX_PROCESSOR]: true;
    processOne(input: ProcessOutboxEventInput, handler: OutboxHandler): Promise<ProcessOutboxEventResult>;
}
export declare function createOutboxProcessor(store: OutboxStore): OutboxProcessor;
export declare function assertOutboxProcessor(value: unknown): asserts value is OutboxProcessor;
export {};