fromIndex = size - 1;
        }
        int toIndex = startPosition + pageSize;
        if (toIndex >= size) {
            toIndex = size;
        }
        return docs.subList(fromIndex, toIndex);
    }

    protected List<Map<String, Object>> searchWithMainSearcher(final String query, final SearchRequestParams params,
            final OptionalThing<FessUserBean> userBean) {