code: @Override
      public Object[][] getDataByIndex(String indexes) {
          validateResourceParams(resource);
          Preconditions.checkArgument(!StringUtils.isEmpty(indexes), "Indexes cannot be empty");
          logger.entering(indexes);
          Object[][] requestedData = getDataByIndex(DataProviderHelper.parseIndexString(indexes));
          logger.exiting((Object[]) requestedData);
          return requestedData;
      }
docs: Gets JSON data from a resource for the specified indexes.
  
  @param indexes
  The set of indexes to be fetched from the JSON file.