namespace Microsoft.ML.Trainers.FastTree
{
    public abstract class BoostingFastTreeTrainerBase<TOptions, TTransformer, TModel> : FastTreeTrainerBase<TOptions, TTransformer, TModel>
        where TOptions, new(), BoostedTreeOptions
        where TTransformer, ISingleFeaturePredictionTransformer<TModel>
        where TModel, class
}