import type { Pg } from './pg.ts';
import type { Adapter, Options, OutboxMessage, StartStop } from './types.ts';
export declare class Es implements StartStop {
    private lastEventId;
    private pg;
    private adapter;
    private options;
    constructor(pg: Pg, adapter: Adapter, options: Options);
    start(): Promise<void>;
    stop(): Promise<void>;
    setLastEventId(id: OutboxMessage['id']): void;
    getLastEventId(): string;
    private initSync;
}