export declare function deepMerge<T = any>(src?: any, target?: any): T;
/**
 * Add the object as a parameter to the URL
 * @param baseUrl url
 * @param obj
 * @returns {string}
 * eg:
 *  let obj = {a: '3', b: '4'}
 *  setObjToUrlParams('www.baidu.com', obj)
 *  ==>www.baidu.com?a=3&b=4
 */
export declare function setObjToUrlParams(baseUrl: string, obj: any): string;
export declare function openWindow(url: string, opt?: {
    target?: TargetContext | string;
    noopener?: boolean;
    noreferrer?: boolean;
}): void;