/// <summary>
 /// Gets the default user agent
 /// </summary>
 private static string GetDefaultUserAgent()
 {
     return(UserAgentPrefix +
            typeof(ClientConfiguration).Assembly.GetName().Version + "(" +
            OssUtils.DetermineOsVersion() + "/" +
            Environment.OSVersion.Version + "/" +
            OssUtils.DetermineSystemArchitecture() + ";" +
            Environment.Version + ")");
 }