import type { DatabaseSync } from 'node:sqlite';
import type { ScenePrincipal } from './contracts.js';
import { type ScenePreferences } from '@xopcai/gateway-contract';
export { scenePreferencesSchema, type ScenePreferences } from '@xopcai/gateway-contract';
/** Owner-scoped choices. Muting presentation never changes check permissions or deletes work. */
export declare class ScenePreferenceService {
    private readonly db;
    constructor(db: DatabaseSync);
    get database(): DatabaseSync;
    get(principal: ScenePrincipal): ScenePreferences & {
        revision: number;
    };
    update(principal: ScenePrincipal, value: unknown): ScenePreferences & {
        revision: number;
    };
    recordPresence(principal: ScenePrincipal, value: unknown, now?: number): void;
    private assertPrincipal;
}
export declare function sceneChecksAllowed(preferences: ScenePreferences, now: number): boolean;