/** 用户会话记录 */
export interface UserSession {
    chat_id: string;
    session_id: string;
    project_path: string;
    created_at: string;
    updated_at: string;
}
/** 白名单用户记录 */
export interface WhitelistUser {
    user_id: string;
    added_by: string;
    added_at: string;
}
/** 项目路径映射 */
export interface ProjectMapping {
    chat_id: string;
    project_path: string;
    updated_at: string;
}
/** 事件去重记录 */
export interface EventDedup {
    event_id: string;
    processed_at: string;
}
/** 消息映射记录 */
export interface MessageMapping {
    user_message_id: string;
    bot_message_id: string | null;
    chat_id: string;
    created_at: string;
}
/** 会话群记录 */
export interface SessionChat {
    chat_id: string;
    session_id: string;
    owner_id: string;
    project_path: string;
    title: string | null;
    title_set: boolean;
    created_at: string;
    updated_at: string;
}
/** 机器人数据库操作类 */
export declare class BotDatabase {
    private db;
    private dedupWindowMs;
    constructor(dbPath: string, dedupWindowMs?: number);
    /** 初始化数据库表结构 */
    private initialize;
    /** 获取用户会话 */
    getSession(chatId: string): UserSession | null;
    /** 创建或更新用户会话 */
    upsertSession(chatId: string, sessionId: string, projectPath: string): void;
    /** 删除用户会话 */
    deleteSession(chatId: string): boolean;
    /** 检查用户是否在白名单中 */
    isUserWhitelisted(userId: string): boolean;
    /** 添加用户到白名单 */
    addToWhitelist(userId: string, addedBy: string): boolean;
    /** 从白名单移除用户 */
    removeFromWhitelist(userId: string): boolean;
    /** 获取所有白名单用户 */
    getWhitelistedUsers(): WhitelistUser[];
    /** 获取聊天的项目路径 */
    getProjectPath(chatId: string): string | null;
    /** 设置聊天的项目路径 */
    setProjectPath(chatId: string, projectPath: string): void;
    /** 检查事件是否已处理（用于去重） */
    isEventProcessed(eventId: string): boolean;
    /** 标记事件为已处理 */
    markEventProcessed(eventId: string): boolean;
    /** 清理过期的事件记录 */
    cleanupOldEvents(): number;
    saveMessageMapping(userMessageId: string, chatId: string): void;
    updateBotMessageId(userMessageId: string, botMessageId: string): void;
    getMessageMapping(userMessageId: string): MessageMapping | null;
    deleteMessageMapping(userMessageId: string): boolean;
    getMessageMappingsAfter(userMessageId: string, chatId: string): MessageMapping[];
    deleteMessageMappings(userMessageIds: string[]): number;
    deleteMessageMappingsByChatId(chatId: string): number;
    cleanupOldMessageMappings(maxAgeMs?: number): number;
    createSessionChat(chatId: string, sessionId: string, ownerId: string, projectPath: string): void;
    getSessionChat(chatId: string): SessionChat | null;
    getSessionChatsByOwner(ownerId: string): SessionChat[];
    updateSessionChatTitle(chatId: string, title: string): void;
    deleteSessionChat(chatId: string): boolean;
    isSessionChat(chatId: string): boolean;
    /** 关闭数据库连接 */
    close(): void;
}
/** 初始化数据库 */
export declare function initializeDatabase(dbPath: string): BotDatabase;
/** 获取默认数据库实例 */
export declare function getDatabase(): BotDatabase;
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