/**
 * @license
 * Copyright 2021 KonghaYao 江夏尧 <dongzhongzhidong@qq.com>
 * SPDX-License-Identifier: Apache-2.0
 */
type ProxyFunc = (input: {
    url: URL;
    headers: Headers;
    method: RequestInit['method'];
    body: RequestInit['body'];
}) => void | Promise<Response>;
type Method = NonNullable<RequestInit['method']>;
export declare class MockXMLHttpRequest extends XMLHttpRequest {
    $mock: boolean;
    open(method: Method, url: string | URL, _?: boolean, username?: string, password?: string): void;
    send(body: any): void;
    setRequestHeader(key: string, value: string): void;
    $data: {
        readyState: number;
        status: number;
        response: string;
        responseText: string;
        statusText: string;
        headers: Record<string, string>;
        url: string | URL;
        method: string;
    };
    _responseHeaders: Headers;
    _useResponseType(res: Response): Promise<any>;
    $request(res: Response): Promise<void>;
}
export declare function mockXHR({ proxy, silent, window, }: {
    proxy: ProxyFunc;
    silent: boolean;
    window?: any;
}): void;
export {};