namespace Microsoft.ML.Trainers.FastTree
{
    public sealed class FastTreeRankingTrainer : BoostingFastTreeTrainerBase<Options, RankingPredictionTransformer<FastTreeRankingModelParameters>, FastTreeRankingModelParameters>
    {
        [Component(Desc = "Trains gradient boosted decision trees to the LambdaRank quasi-gradient.", FriendlyName = "FastTree (Boosted Trees) Ranking", Name = "FastTreeRanking")]
        public sealed class Options : BoostedTreeOptions, IComponentFactory, IComponentFactory<ITrainer>
        {
            public bool UseDcg;
        }
    }
}