public InvisibleRecaptchaOptions(RecaptchaConfiguration config)
     : base(config)
 {
 }
 public RecaptchaOptions(RecaptchaConfiguration config)
 {
     Configuration = config;
     Enabled       = config.Enabled;
 }
 public RecaptchaOptions()
     : this(RecaptchaConfiguration.LoadFromConfigFile())
 {
 }