private CovarianceMask(CovarianceMask original, Cloner cloner) : base(original, cloner) { }
private CovarianceMask(CovarianceMask original, Cloner cloner) : base(original, cloner) { }
private CovarianceMask(CovarianceMask original, Cloner cloner) : base(original, cloner) { }
private CovarianceMask(CovarianceMask original, Cloner cloner) : base(original, cloner) { }