docs: public static Serializable deserialize(Serializable kh) throws IOException, ClassNotFoundException {
          if (kh == null)
          {
              return null;
          }
          if (!(kh instanceof KeyHelper))
          {
              return kh;
  
          }
          KeyHelper ivKh = (KeyHelper) kh;
          ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(ivKh.vBytes);
          ObjectInputStream objectInputStream = new CCLObjectInputStream(byteArrayInputStream);
          Serializable result = (Serializable) objectInputStream.readObject();
          objectInputStream.close(); // findbugs
          return result;
      }