*/
  public void reset() throws IOException {
    try {
      state.reset();
    } finally {
      reachabilityFence(byteSource);
    }
  }

  @Override
  public void write(int b) throws IOException {
    try {
      state.write(b);
    } finally {
      reachabilityFence(byteSource);
    }
  }

  @Override
  public void write(byte[] b) throws IOException {