import type Database from 'better-sqlite3';
import type { AppEvent } from '../types.js';
export interface CreateEventInput {
    readonly entity_type: string;
    readonly entity_id: string;
    readonly event_type: string;
    readonly payload_json?: string;
}
export declare class EventRepository {
    private readonly db;
    constructor(db: Database.Database);
    append(input: CreateEventInput): AppEvent;
    findByEntity(entityType: string, entityId: string): readonly AppEvent[];
    findByType(eventType: string): readonly AppEvent[];
    findRecent(limit?: number): readonly AppEvent[];
}
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