import type { DatabaseSync } from 'node:sqlite';
import type { ProductNotification } from '@xopcai/gateway-contract';
import type { Config } from '../../config/schema.js';
import type { ScenePrincipal } from '../../scenes/contracts.js';
import { type SceneReadOnlyExecutor } from '../../scenes/execution.js';
import type { SceneHttpServices } from '../../scenes/httpServices.js';
import type { SceneMailContextProvider } from '../../scenes/mailContext.js';
/** Composition root for the initialized database. Never creates tables or starts an old worker. */
export declare class GatewaySceneHost {
    private readonly db;
    readonly http: SceneHttpServices;
    private readonly runtime;
    private readonly notifications;
    private readonly browserDispatcher;
    private timer?;
    private active?;
    private stopped;
    private nextMaintenanceAt;
    private readonly clock;
    constructor(db: DatabaseSync, input: {
        principal: ScenePrincipal;
        config: () => Config;
        publish: (type: 'notification.created', notification: ProductNotification) => void;
        executor?: SceneReadOnlyExecutor;
        mail?: SceneMailContextProvider;
        clock?: () => number;
        intervalMs?: number;
    });
    private readonly intervalMs;
    start(): void;
    tick(): Promise<void>;
    /** Must finish before the Gateway closes SQLite or its realtime broker. */
    stop(): Promise<void>;
}