docs: public static String getSerializedVectorClocks(List<VectorClock> vectorClocks) {
          List<VectorClockWrapper> vectorClockWrappers = new ArrayList<VectorClockWrapper>();
          for(VectorClock vc: vectorClocks) {
              vectorClockWrappers.add(new VectorClockWrapper(vc));
          }
          String serializedVC = "";
          try {
              serializedVC = mapper.writeValueAsString(vectorClockWrappers);
          } catch(Exception e) {
              e.printStackTrace();
          }
          return serializedVC;
      }