public OAuth2SystemWebBrowser(IEnvironment environment, OAuth2WebBrowserOptions options)
        {
            EnsureArgument.NotNull(environment, nameof(environment));
            EnsureArgument.NotNull(options, nameof(options));

            _environment = environment;
            _options     = options;
        }
 public OAuth2SystemWebBrowser(OAuth2WebBrowserOptions options)
 {
     _options = options;
 }