/**
 * 消息推送
 * @param topic 主题
 * @param control_param 消息参数
 * @param key 业务关键字
 * @param attach_params 附带参数
 * @example push_msg(topic, control_param, key, attach_params);
 */
export default function push_msg(topic: string, control_param: any, key: string, attach_params: any): Promise<{}>;