}
    return dummy;
  }

  /**
   * Mimics what the {@link Joiner} class does internally when no extra options like ignoring {@code
   * null} values are used.
   */
  @Benchmark
  int joinerInlined(int reps) {
    int dummy = 0;
    for (int i = 0; i < reps; i++) {
      StringBuilder sb = new StringBuilder();
      Iterator<String> iterator = components.iterator();
      if (iterator.hasNext()) {