interface ISendReq {
    chatId: string | Array<string>;
    webhookUrl: string;
}
/**
 * 批量发送企业微信机器人base64图片
 * @param {object} config 配置信息
 * @param {string} config.img base64图片
 * @param {string} config.chatId 会话Id
 * @param {string} config.webhookUrl webhook地址
 * @returns {Promise<object>} 请求Promise
 * @example
 *
 * batchSendWxRobotBase64Img({
 *   img: 'xxx',
 *   chatId: 'xxx', // or ['xxx], or ['ALL'], or 'ALL'
 *   webhookUrl: 'xxx',
 * }).then(() => {
 *
 * })
 *
 */
export declare function batchSendWxRobotBase64Img({ img, chatId, webhookUrl, }: {
    img: string;
} & ISendReq): void;
export declare function batchSendWxRobotMsg({ content, alias, chatId, webhookUrl, }: {
    content: string;
    alias: string | Array<string>;
} & ISendReq): void;
export declare function batchSendWxRobotMarkdown({ content, attachments, chatId, webhookUrl, }: {
    content: string;
    attachments?: Array<object>;
} & ISendReq): void;
export {};