docs: private void status(String command, Socket socket) throws IOException {
          lock.lock();
          try {
              String status = "{}"; // TODO Possibly have something more interesting to report.
              DataOutputStream dout = new DataOutputStream(socket.getOutputStream());
  
              byte[] statusBytes = status.getBytes(utf8);
              dout.writeInt(statusBytes.length);
              dout.write(statusBytes);
  
              dout.flush();
          } finally {
              lock.unlock();
          }
      }