for (int k = 0; k < size; k++) {
      // [9-127) includes all ascii non-control characters
      sb.append((char) (random.nextInt(127 - 9) + 9));
    }
    String string = sb.toString();
    sb.setLength(0);
    data = ByteSource.wrap(string.getBytes(charset));
  }

  @Benchmark
  public int timeCopy(int reps) throws IOException {
    int r = 0;
    Charset localCharset = charset;

    return result;
  }

  // TODO(user): Move this logic to a utility class.
  @JsType(isNative = true, name = "Array", namespace = JsPackage.GLOBAL)
  private interface NativeArray {
    @JsProperty
    void setLength(int length);
  }

  static MapMaker tryWeakKeys(MapMaker mapMaker) {
    return mapMaker;
  }

  static <E extends Enum<E>> Class<E> getDeclaringClassOrObjectForJ2cl(E e) {

    }

    /**
     * Set the buffer length.
     *
     * @param length the new length
     * @return the current builder
     */
    MessageBuilder setLength(int length);

    /**
     * Return the built message.
     *
     * @return the message
     */
    @Nonnull
    String build();

     *
     * @param newLength the new file length in bytes
     * @throws SmbException if an I/O error occurs
     */
    public void setLength(final long newLength) throws SmbException {
        // ensure file is open
        if (!file.isOpen()) {
            file.open(openFlags, 0, SmbFile.ATTR_NORMAL, options);
        }

        final String target = rightString(buf, size);
        if (!termCache.contains(target)) {
            termCache.add(target);
            return isSpace;
        }
        buf.setLength(buf.length() - size);
        if (!isSpace && !isLastSpaceChar(buf)) {
            buf.appendCodePoint(' ');
            return true;
        }
        return isSpace;
    }

      val result = Relay(randomAccessFile, upstream, 0L, metadata, bufferMaxSize)

      // Write a dirty header. That way if we crash we won't attempt to recover this.
      randomAccessFile.setLength(0L)
      result.writeHeader(PREFIX_DIRTY, -1L, -1L)

      return result
    }

    /**
     * Creates a relay that reads a recorded stream from [file].
     *

    Integer[] codePoints = utf8Lengths.keySet().toArray(new Integer[] {});
    StringBuilder sb = new StringBuilder();
    Random rnd = new Random();
    for (int trial = 0; trial < 100; trial++) {
      sb.setLength(0);
      int utf8Length = 0;
      for (int i = 0; i < 6; i++) {
        Integer randomCodePoint = codePoints[rnd.nextInt(codePoints.length)];
        sb.appendCodePoint(randomCodePoint);

            regexQueries[i] = Pattern.quote(queries[i]);
            hlQueries[i] = highlightTagPre + queries[i] + highlightTagPost;
        }
        while (m.find()) {
            segBuf.setLength(0);
            m.appendReplacement(segBuf, StringUtil.EMPTY);
            String segment = segBuf.toString();
            for (int i = 0; i < queries.length; i++) {

        this.fp = pos;
    }

    @Override
    public long length() throws SmbException {
        return this.file.length();
    }

    @Override
    public void setLength(final long newLength) throws SmbException {
        try (SmbFileHandleImpl fh = ensureOpen(); SmbTreeHandleImpl th = fh.getTree()) {
            if (th.isSMB2()) {

            userAgent = textBuf.toString().trim();
        }
        tagQueue.pollLast();
        textBuf.setLength(0);
    }

    /**
     * SAX event handler called to process character data between XML elements.
     * Accumulates text content in a buffer for later processing when the element ends.
     *