}

    // super.toArray() may misbehave if size() is inaccurate, at least on old versions of Android.
    // https://code.google.com/p/android/issues/detail?id=36519 / http://r.android.com/47508

    @Override
    public Object[] toArray() {
      return toArrayList(this).toArray();
    }

    @Override
    public <E> E[] toArray(E[] a) {
      return toArrayList(this).toArray(a);

      for (int i = 0; i < length; i++) {
        int cp = sampler.nextCodePoint();
        builder.appendCodePoint(cp);
      }
      return builder.toString();
    }
    // Use a shuffled index array to ensure constant percentage of matching
    // characters
    List<Integer> list = Lists.newArrayList();
    for (int i = 0; i < length; i++) {
      list.add(i);
    }
    Collections.shuffle(list, rand);

    }

    @Override
    public @Nullable Object[] toArray() {
      // creating an ArrayList so filtering happens once
      return Lists.newArrayList(iterator()).toArray();
    }

    @Override
    @SuppressWarnings("nullness") // b/192354773 in our checker affects toArray declarations
    public <T extends @Nullable Object> T[] toArray(T[] array) {
      return Lists.newArrayList(iterator()).toArray(array);

    }

    // super.toArray() may misbehave if size() is inaccurate, at least on old versions of Android.
    // https://code.google.com/p/android/issues/detail?id=36519 / http://r.android.com/47508

    @Override
    public Object[] toArray() {
      return toArrayList(this).toArray();
    }

    @Override
    public <E> E[] toArray(E[] a) {
      return toArrayList(this).toArray(a);

      for (int i = 0; i < length; i++) {
        int cp = sampler.nextCodePoint();
        builder.appendCodePoint(cp);
      }
      return builder.toString();
    }
    // Use a shuffled index array to ensure constant percentage of matching
    // characters
    List<Integer> list = Lists.newArrayList();
    for (int i = 0; i < length; i++) {
      list.add(i);
    }
    Collections.shuffle(list, rand);