Defines an individual web asset.
Inheritance: IWebAssetItem
        private static bool IsNativeFile(WebAssetItem item)
        {
            if (item.Source.StartsWith("~/", StringComparison.Ordinal))
            {
                string fileName = Path.GetFileName(item.Source);

                return fileName.Equals(ScriptRegistrar.jQuery, StringComparison.OrdinalIgnoreCase) ||
                       fileName.Equals(ScriptRegistrar.jQueryValidation, StringComparison.OrdinalIgnoreCase) ||
                       fileName.StartsWith("Telerik.", StringComparison.OrdinalIgnoreCase);
            }

            return false;
        }