import { AxiosInstance, AxiosRequestConfig, CreateAxiosDefaults } from 'axios';
import { IHttpResponse } from '../../interface';
/**
 * 全局请求工具
 *
 * @export
 * @class HttpUtil
 */
export declare class HttpUtil {
    protected _options: CreateAxiosDefaults;
    readonly instance: AxiosInstance;
    constructor(_options?: CreateAxiosDefaults);
    /**
     * 挂载中间件
     *
     * @param {(_axios: AxiosInstance) => void} fn
     */
    use(fn: (_axios: AxiosInstance) => void): void;
    get<T = any>(url: string, data?: IObject, query?: IParams, config?: AxiosRequestConfig): Promise<IHttpResponse<T>>;
    post<T = any>(url: string, data?: IObject, query?: IParams, config?: AxiosRequestConfig): Promise<IHttpResponse<T>>;
    put<T = any>(url: string, data?: IObject, query?: IParams, config?: AxiosRequestConfig): Promise<IHttpResponse<T>>;
    delete<T = any>(url: string, data?: IObject, query?: IParams, config?: AxiosRequestConfig): Promise<IHttpResponse<T>>;
    options<T = any>(url: string, data?: IObject, query?: IParams, config?: AxiosRequestConfig): Promise<IHttpResponse<T>>;
    patch<T = any>(url: string, data?: IObject, query?: IParams, config?: AxiosRequestConfig): Promise<IHttpResponse<T>>;
    head<T = any>(url: string, data?: IObject, query?: IParams, config?: AxiosRequestConfig): Promise<IHttpResponse<T>>;
    request<T = any>(url: string, data: IObject | null, query: IParams | null, config?: AxiosRequestConfig): Promise<IHttpResponse<T>>;
}