public override void BuildComponents(IComponentBuilder builder)
{
// database
builder.ConfigureDbContext <OsuDatabaseContext>();
builder.ConfigureDbContext <BeatmapDownloaderDatabaseContext>();
// configuration
builder.UseConfigurationModel <BeatmapDownloaderConfiguration>("MultiPlayerDownloaderUI");
// service
builder.ConfigureComponent <BeatmapSearchService>().SingleInstance();
builder.ConfigureComponent <MultiplayerDownloadService>().SingleInstance();
builder.ConfigureComponent <BeatmapDownloadService>().SingleInstance();
// download providers
builder.ConfigureDownloadProvider <SayobotDownloadProvider>();
builder.ConfigureDownloadProvider <BloodcatDownloadProvider>();
}