namespace Microsoft.ML.Probabilistic.Learners.Mappings
{
    public class TrainTestSplittingRatingRecommenderMapping<TInstanceSource, TInstance, TUser, TItem, TRating, TFeatureSource, TFeatureValues> : TrainTestSplittingRecommenderMapping<TInstanceSource, TInstance, TUser, TItem, TFeatureSource, TFeatureValues>, IRatingRecommenderMapping<SplitInstanceSource<TInstanceSource>, TInstance, TUser, TItem, TRating, TFeatureSource, TFeatureValues>, IRecommenderMapping<SplitInstanceSource<TInstanceSource>, TInstance, TUser, TItem, TFeatureSource, TFeatureValues>
    {
        public TrainTestSplittingRatingRecommenderMapping(IRatingRecommenderMapping<TInstanceSource, TInstance, TUser, TItem, TRating, TFeatureSource, TFeatureValues> mapping, double trainingOnlyUserFraction, double testUserRatingTrainingFraction, double coldUserFraction = 0, double coldItemFraction = 0, double ignoredUserFraction = 0, double ignoredItemFraction = 0, bool removeOccasionalColdItems = false);
    }
}