code: public static <K, V> MapRandomizer<K, V> aNewMapRandomizer(final Randomizer<K> keyRandomizer, final Randomizer<V> valueRandomizer) {
          return new MapRandomizer<>(keyRandomizer, valueRandomizer, getRandomSize());
      }
docs: Create a new {@link MapRandomizer} with a random number of entries.
  
  @param keyRandomizer   the randomizer for keys
  @param valueRandomizer the randomizer for values
  @param <K>             the type of key elements
  @param <V>             the type of value elements
  @return a new {@link MapRandomizer}