/// <summary>
 /// Generate and return a country code.
 /// </summary>
 /// <param name="fixture">The fixture to generate a country code for</param>
 /// <returns>The generated country code</returns>
 public static string CountryCode(this AnonymousValueFixture fixture)
 {
     if (_geoCountryCodeSource == null)
     {
         _geoCountryCodeSource = new GeoCountryCodeSource();
     }
     return(_geoCountryCodeSource.Next());
 }
 /// <summary>
 /// Generate and return a country code.
 /// </summary>
 /// <param name="fixture">The fixture to generate a country code for</param>
 /// <returns>The generated country code</returns>
 public static string CountryCode(this AnonymousValueFixture fixture)
 {
     if (_geoCountryCodeSource == null) _geoCountryCodeSource = new GeoCountryCodeSource();
     return _geoCountryCodeSource.Next();
 }