docs: public static String convertSerializableToString(Serializable obj) {
          ByteArrayOutputStream baos = null;
          ObjectOutputStream oos = null;
          try {
              baos = new ByteArrayOutputStream();
              oos = new ObjectOutputStream(baos);
              oos.writeObject(obj);
  
              return new String(baos.toByteArray());
          } catch (IOException e) {
              return null;
          } finally {
              closeQuietly(baos, oos);
              closeQuietly(oos);
          }
      }