public Guid GetHeaderAuthentication()
        {
            string authenticationString = RequestHeaderProvider.GetHeaderByName("Authentication");
            Guid   authentication;

            Guid.TryParse(authenticationString, out authentication);
            return(authentication);
        }
 public Guid GetHeaderAuthentication()
 {
     string authenticationString = RequestHeaderProvider.GetHeaderByName("Authentication");
     return HeadersValueConverter.ConvertToGuid(authenticationString);
 }