import type { DatabaseSync } from 'node:sqlite';
import type { ScenePrincipal } from './contracts.js';
/** Feedback records a user's judgment, never an inferred successful action. */
export declare class SceneInboxService {
    private readonly db;
    private readonly clock;
    constructor(db: DatabaseSync, clock?: () => number);
    get database(): DatabaseSync;
    setRead(principal: ScenePrincipal, id: string, read: boolean): void;
    feedback(principal: ScenePrincipal, id: string, value: unknown): number;
    getFeedback(principal: ScenePrincipal, id: string): {
        rating: string;
        note: string;
        revision: number;
    } | null;
    private assertVisible;
}