namespace Microsoft.ML.Probabilistic.Distributions
{
    [DataContract]
    [Quality(QualityBand.Stable)]
    public struct Poisson : CanGetAverageLog<Poisson>, CanGetLogAverageOf<Poisson>, CanGetLogAverageOfPower<Poisson>, CanGetLogProb<int>, CanGetMean<double>, CanGetMeanAndVarianceOut<double, double>, CanGetVariance<double>, CanSetMeanAndVariance<double, double>, HasPoint<int>, IDistribution, IDistribution<int>, Sampleable<int>, SettableToUniform, Diffable, SettableTo<Poisson>, SettableToPower<Poisson>, SettableToProduct<Poisson>, SettableToProduct<Poisson, Poisson>, SettableToRatio<Poisson>, SettableToRatio<Poisson, Poisson>, SettableToWeightedSum<Poisson>, ICloneable
    {
        public static double GetSumLogFactorial2(double lambda, double nu);
    }
}