@staticmethod
def set_url(urlobj):
    """Converts an UrlObj url and  language info in two dicts into single dict

    :param dict urlobj: Elink url JSON result
    :rtype: dict
    """
    if not urlobj:
        return None
    url = urlobj.pop('value', None)
    if not url:
        return None
    return {url: urlobj.pop('lng', None)}
