code: public static List<Integer> arrayToList(int[] array, int codeLen) {
          List<Integer> result = new ArrayList<>();
          for (int x = 0; x < codeLen; x++) {
              result.add(array[x]);
          }
          return result;
      }
docs: This method is used only for VocabCache compatibility purposes
  @param array
  @param codeLen
  @return