class LogNormalDistribution extends AbstractRealDistribution {

    public double getNumericalVariance() {
        final double s = shape;
        final double ss = s * s;
        return (FastMath.expm1(ss)) * FastMath.exp(2 * scale + ss);
    }

    public  LogNormalDistribution();
    public  LogNormalDistribution(double scale, double shape);
    public  LogNormalDistribution(double scale, double shape, double inverseCumAccuracy);
    public  LogNormalDistribution(RandomGenerator rng, double scale, double shape);
    public  LogNormalDistribution(RandomGenerator rng,
                                 double scale,
                                 double shape,
                                 double inverseCumAccuracy);

}