public static void AddSitemapGenerator(this IServiceCollection services, Action <SitemapGeneratorOptions> configurator)
{
var options = new SitemapGeneratorOptions();
configurator(options);
services.AddSingleton <ISitemapGenerator>(new SitemapGenerator(options, services.BuildServiceProvider()));
}
public SitemapGenerator(SitemapGeneratorOptions options, IServiceProvider services)
{
this._options = options;
this._services = services;
}