Mapsui.Providers.ArcGIS.CapabilitiesHelper.ExecuteRequest C# (CSharp) Метод

        private void ExecuteRequest(string url, CapabilitiesType capabilitiesType, ICredentials credentials = null, string token = null)
        {
            _capabilitiesType = capabilitiesType;
            _url = RemoveTrailingSlash(url);

            var requestUri = $"{_url}?f=json";
            if (!string.IsNullOrEmpty(token))
                requestUri = $"{requestUri}&token={token}";

            _webRequest = (HttpWebRequest)WebRequest.Create(requestUri);
            if (credentials == null)
                _webRequest.UseDefaultCredentials = true;
            else
                _webRequest.Credentials = credentials;

            _webRequest.BeginGetResponse(FinishWebRequest, null);
        }