import { AxiosInstance } from "axios";
import { UploadParam } from "../params/UploadParam";
import { UploadBody } from "../response/body/UploadBody";
/**
 * 上传客户端
 */
export declare class NgaUploadClient {
    instance: AxiosInstance;
    constructor();
    /**
     * 上传
     * @param attachUrl 上传地址，从post准备请求中获取
     * @param params 上传参数
     */
    upload(attachUrl: string, params: UploadParam): Promise<UploadBody>;
}