for (int i = 0; i < size; i++) {
        builder.add(OBJECT);
      }
      dummy += ImmutableList.copyOf(builder).size();
    }
    return dummy;
  }

  @Benchmark
  int copyPreSizedArrayList(int reps) {
    int size = this.size;
    int tmp = 0;
    for (int rep = 0; rep < reps; rep++) {
      List<Object> builder = Lists.newArrayListWithCapacity(size);
      for (int i = 0; i < size; i++) {