export declare class PostMessage {
    roomId: string;
    text?: string;
    alias?: string;
    emoji?: string;
    avatar?: string;
    attachments?: ChatAttachment[];
    constructor(rootId: string);
}
export declare class ChatMessage {
    msg: string;
    rid: string;
    u: ChatUserSimpleInfo;
    ts: Date | {
        $date: number;
    };
    _id: string;
    _updatedAt: Date | {
        $date: number;
    };
    editedAt?: Date | {
        $date: number;
    };
    editedBy?: ChatUserSimpleInfo;
    urls?: [{
        url: string;
        meta: string;
        headers: string;
        parsedUrl: any;
    }];
    attachments?: ChatAttachment[];
    alias?: any;
    avatar?: string;
    groupable?: boolean;
    parseUrls?: boolean;
    file?: {
        _id: string;
        name: string;
        type: string;
    };
    /**
     * 消息类型？
     */
    t?: string;
}
export declare class ChatAttachment {
    color?: string;
    text?: string;
    ts?: Date;
    thumb_url?: string;
    message_link?: string;
    collapsed?: boolean;
    author_name?: string;
    author_link?: string;
    author_icon?: string;
    title?: string;
    title_link?: string;
    title_link_download?: boolean;
    type?: string;
    image_url?: string;
    image_dimensions?: {
        width: number;
        height: number;
    };
    image_preview?: string;
    image_size?: number;
    image_type?: string;
    audio_url?: string;
    audio_size?: number;
    audio_type?: string;
    video_url?: string;
    video_size?: number;
    video_type?: string;
    description?: string;
    fields?: [{
        short?: string;
        title?: string;
        value?: string;
    }];
}
export declare class ChatUserSimpleInfo {
    name: string;
    username: string;
    _id: string;
}