bufs.add(buf);
      int off = 0;
      while (off < buf.length) {
        // always OK to fill buf; its size plus the rest of bufs is never more than MAX_ARRAY_LEN
        int r = in.read(buf, off, buf.length - off);
        if (r == -1) {
          return combineBuffers(bufs, totalLen);
        }
        off += r;
        totalLen += r;
      }
    }

  /**
   * This method will be called for each chunk of bytes in an input stream. The implementation
   * should process the bytes from {@code buf[off]} through {@code buf[off + len - 1]} (inclusive).
   *
   * @param buf the byte array containing the data to process
   * @param off the initial offset into the array
   * @param len the length of data to be processed
   * @return true to continue processing, false to stop
   */

    ByteProcessor<byte[]> processor =
        new ByteProcessor<byte[]>() {
          int pos;

          @Override
          public boolean processBytes(byte[] buf, int off, int len) throws IOException {
            System.arraycopy(buf, off, processedBytes, pos, len);
            pos += len;
            return true;
          }

          @Override
          public byte[] getResult() {

            new ByteProcessor<Integer>() {
              @Override
              public boolean processBytes(byte[] buf, int off, int len) {
                assertThat(newPreFilledByteArray(8192))
                    .isEqualTo(Arrays.copyOfRange(buf, off, off + len));
                return false;
              }

              @Override
              public Integer getResult() {

// CHECKSTYLE_OFF: RegexpHeader
/**
 * Maven Repository Metadata model.
 */

// CHECKSTYLE_OFF: RegexpHeader
/**
 * Maven immutable XML api.
 */

  public LittleEndianDataOutputStream(OutputStream out) {
    super(new DataOutputStream(Preconditions.checkNotNull(out)));
  }

  @Override
  public void write(byte[] b, int off, int len) throws IOException {
    // Override slow FilterOutputStream impl
    out.write(b, off, len);
  }

  @Override
  public void writeBoolean(boolean v) throws IOException {
    ((DataOutputStream) out).writeBoolean(v);
  }

  @Override

  @Override
  public synchronized void write(byte[] b) throws IOException {
    write(b, 0, b.length);
  }

  @Override
  public synchronized void write(byte[] b, int off, int len) throws IOException {
    update(len);
    out.write(b, off, len);
  }

  @Override
  public synchronized void close() throws IOException {
    out.close();
  }

  @Override

      if (optionalUnslicedSize.isPresent()) {
        long unslicedSize = optionalUnslicedSize.get();
        long off = Math.min(offset, unslicedSize);
        return Optional.of(Math.min(length, unslicedSize - off));
      }
      return Optional.absent();
    }

    @Override
    public String toString() {

    }

    @Override
    public void write(char[] cbuf, int off, int len) {
      checkPositionIndexes(off, off + len, cbuf.length);
    }

    @Override
    public void write(String str) {
      checkNotNull(str);
    }

    @Override
    public void write(String str, int off, int len) {
      checkPositionIndexes(off, off + len, str.length());
    }

    @Override