/**
 * 将请求参数拼接到url上
 * @param url 发请求的url
 * @param params 请求参数
 * @returns 拼接后的url
 */
export declare function buildURL(url: string, params?: any, paramsSerializer?: (params: any) => string): string;
export declare function isURLSameOrigin(requestURL: string): boolean;
export declare function isAbsoluteURL(url: string): boolean;
export declare function combineURL(baseURL: string, relativeURL?: string): string;