public DefinitionBuilder withRandomSeed(long seed) {
            this.random = new Random(seed);
            // Can't run in parallel if using a fixed seed
            this.isParallel = false;
            return this;
        }
Holder class for the static class names list to allow for lazy initialisation
stroom-test-common/src/main/java/stroom/test/common/data/DataGenerator.java