docs: public static void append(File file, byte[] bytes) throws IOException {
          OutputStream stream = null;
          try {
              stream = new FileOutputStream(file, true);
              stream.write(bytes, 0, bytes.length);
              stream.flush();
  
              OutputStream temp = stream;
              stream = null;
              temp.close();
          } finally {
              closeWithWarning(stream);
          }
      }