code: @SuppressWarnings("unchecked")
      protected T[] get(Connection conn, BoId... idList) {
          T[] result = (T[]) Array.newInstance(typeClass, idList != null ? idList.length : 0);
          if (idList != null) {
              for (int i = 0; i < idList.length; i++) {
                  result[i] = get(conn, idList[i]);
              }
          }
          return result;
      }
docs: Fetch list of existing BOs from storage by id.
  
  @param conn
  @param idList
  @return
  @since 0.8.1