import { Context } from "koishi";
/**
 * 数据库管理器
 * 负责所有数据库表的注册和初始化
 */
export declare class DatabaseManager {
    private ctx;
    constructor(ctx: Context);
    /**
     * 注册所有数据库表
     */
    registerTables(): void;
    private registerMessageTable;
    private registerInteractionTable;
    private registerLastReplyTable;
    private registerImageTable;
}