/**
 * 记录没有被@，被忽略的群消息到对应 account 的 pending history 中
 */
export declare function addUnmentionedHistory(apiRuntime: any, accountId: string, chatId: string, tuituiUserName: any, tuituiAccount: string, text: any, timestamp: any): Promise<void>;
/**
 * 获取指定 account 和群组的 pending history，格式化为 ctx.InboundHistory 所需的格式
 */
export declare function popUnmentionedHistories(accountId: string, chatId: string): {
    sender: string;
    body: string;
    timestamp?: number;
}[];