import Message from "./Message";
interface IContentProps {
    items: [];
}
export declare const TYPE_AT_ME = 1;
export declare const TYPE_AT_ALL = 2;
export declare const AT_ALL = "@_all";
export declare const AT_CONTENT_U = "u";
export declare const AT_CONTENT_T = "t";
declare class AtMessageContent extends Message {
    content: IContentProps;
    constructor(chatId: string, content: []);
}
export default AtMessageContent;
