/**
 * 企业微信消息内容解析模块
 *
 * 负责从 WsFrame 中提取文本、图片、引用等内容
 */
export interface MessageBody {
    msgid: string;
    aibotid?: string;
    chatid?: string;
    chattype: "single" | "group";
    from: {
        corpid?: string;
        userid: string;
        /** 会话 ID（权限变更事件回调中携带） */
        chat_id?: string;
    };
    response_url?: string;
    msgtype: string;
    text?: {
        content: string;
    };
    image?: {
        url?: string;
        aeskey?: string;
    };
    voice?: {
        content?: string;
    };
    mixed?: {
        msg_item: Array<{
            msgtype: "text" | "image";
            text?: {
                content: string;
            };
            image?: {
                url?: string;
                aeskey?: string;
            };
        }>;
    };
    file?: {
        url?: string;
        aeskey?: string;
    };
    quote?: {
        msgtype: string;
        text?: {
            content: string;
        };
        voice?: {
            content: string;
        };
        image?: {
            url?: string;
            aeskey?: string;
        };
        file?: {
            url?: string;
            aeskey?: string;
        };
    };
    event?: {
        eventtype?: string;
        template_card_event?: {
            card_type?: string;
            event_key?: string;
            task_id?: string;
            selected_items?: {
                selected_item?: Array<{
                    question_key?: string;
                    option_ids?: {
                        option_id?: string[];
                    };
                }>;
            };
        };
        /** 权限变更事件回调（如文档授权） */
        auth_change_event?: {
            /** 当前权限列表：1-新建和编辑文档；2-获取成员文档内容 */
            auth_list?: number[];
        };
    };
}
export interface ParsedMessageContent {
    textParts: string[];
    imageUrls: string[];
    imageAesKeys: Map<string, string>;
    fileUrls: string[];
    fileAesKeys: Map<string, string>;
    quoteContent: string | undefined;
}
/**
 * 解析消息内容（支持单条消息、图文混排、事件回调和引用消息）
 * @returns 提取的文本数组、图片URL数组和引用消息内容
 */
export declare function parseMessageContent(body: MessageBody): ParsedMessageContent;