* @param size the maximum number of items to return
     * @return a PagingList containing the requested subset of mapping items
     */
    @Override
    public synchronized PagingList<CharMappingItem> selectList(final int offset, final int size) {
        if (mappingItemList == null) {
            reload(null);
        }

        if (offset >= mappingItemList.size() || offset < 0) {

                return OptionalEntity.of(stemmerOverrideItem);
            }
        }
        return OptionalEntity.empty();
    }

    @Override
    public synchronized PagingList<StemmerOverrideItem> selectList(final int offset, final int size) {
        if (stemmerOverrideItemList == null) {
            reload(null);
        }

        if (offset >= stemmerOverrideItemList.size() || offset < 0) {