@Override
    public int nextConditionalValue(final Random random, final int otherValue) {
        return nextValue(random);
    }
Constructs a NormalDistribution with the given standard deviation.
<p/>
Setting the standard deviation to 0 makes this a constant distribution.

@param stdDeviation Simple deviation of the distribution. Must be non-negative.
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/algorithm/generator/NormalDistribution.java