private HomeMaticXmlRpcApiBuilder(IXmlRpcProxyBuilder <IHomeMaticXmlRpcApi> proxyBuilder, string url) : this(proxyBuilder)
        {
            Ensure.IsNotNullOrWhitespace(url, nameof(url));

            _url = url;
        }
        public HomeMaticXmlRpcApiBuilder(IXmlRpcProxyBuilder <IHomeMaticXmlRpcApi> proxyBuilder)
        {
            Ensure.IsNotNull(proxyBuilder, nameof(proxyBuilder));

            _proxyBuilder = proxyBuilder;
        }