import { AxiosInstance } from 'axios';
/**
 * @title   http请求封装
 * @desc
 */
export declare class HttpService {
    axios: AxiosInstance;
    constructor(axios: AxiosInstance);
    /**
     * get请求, json形式返回
     * @param url    接口地址
     * @param paramMap  参数
     */
    get(url: string, paramMap?: Record<string, unknown>): Promise<unknown>;
    /**
     * post请求
     * @param url    接口地址
     * @param body  参数
     */
    post(url: string, body: string | Record<string, unknown>): Promise<unknown>;
    /**
     * 以表单方式提交
     * @ param {string} url
     * @ param body
     * @ returns {Promise<any>}
     */
    postForm(url: string, body: string | Record<string, unknown>): Promise<unknown>;
    /**
     * 以参数和json一起提交数据
     * @param url
     * @param body
     * @param paramMap
     */
    postParams(url: string, body: string | Record<string, unknown> | null, paramMap: string | Record<string, unknown>): Promise<any>;
    /**
     * put方式提交
     * @param url
     * @param body
     */
    put(url: string, body: Record<string, unknown> | string): Promise<any>;
    /**
     * delete方式提交
     * @param url
     * @param paramMap
     */
    delete(url: string, paramMap?: Record<string, unknown> | string): Promise<any>;
    /**
     * patch方式提交
     * @param url
     * @param body
     */
    patch(url: string, body: Record<string, unknown> | string): Promise<any>;
    /**
     * post请求下载文件
     * @param url
     * @param body
     * @param fileName
     * @param contentType
     */
    postDownload(url: string, body: any, fileName: string, contentType?: string): void;
    /**
     * get方式请求下载文件
     * @param url
     * @param paramMap
     * @param fileName
     * @param contentType
     */
    getDownload(url: string, paramMap: any, fileName: string, contentType?: string): void;
    /**
     * 将文件下载下来
     * @param data
     * @param fileName
     * @param contentType
     */
    private static downloadFile;
    /**
     * 以formData方式提交
     * @ param {string} url
     * @ param body
     * @ returns {Promise<any>}
     */
    postFormData(url: string, formData: any): Promise<any>;
}