class CorrelatedRandomVectorGenerator implements RandomVectorGenerator {

    public int getRank() {
        return normalized.length;
    }

    public  CorrelatedRandomVectorGenerator(double[] mean,
                                           RealMatrix covariance, double small,
                                           NormalizedRandomGenerator generator);
    public  CorrelatedRandomVectorGenerator(RealMatrix covariance, double small,
                                           NormalizedRandomGenerator generator);

}