// Test with zero
        searchRenderData.setPageSize(0);
        assertEquals(0, searchRenderData.getPageSize());

        // Test with positive values
        searchRenderData.setPageSize(10);
        assertEquals(10, searchRenderData.getPageSize());

        searchRenderData.setPageSize(100);
        assertEquals(100, searchRenderData.getPageSize());

        // Test with negative value

            @Override
            public int size() {
                return 0;
            }
        };
        qrList.calculatePageInfo();
        assertEquals(20, qrList.getPageSize());
        assertEquals(1, qrList.getCurrentPageNumber());
        assertEquals(0, qrList.getAllRecordCount());
        assertEquals(1, qrList.getAllPageCount());
        assertEquals(false, qrList.isExistPrevPage());

     */
    @Override
    protected SearchResult search(final String query, final SearchRequestParams params, final OptionalThing<FessUserBean> userBean) {
        final int pageSize = params.getPageSize();
        LaRequestUtil.getOptionalRequest().ifPresent(request -> {
            request.setAttribute(Constants.REQUEST_PAGE_SIZE, pageSize);
        });

        pager.setAllPageCount(1);
        pager.setAllRecordCount(size);
        pager.setCurrentPageNumber(1);
        pager.setExistNextPage(false);
        pager.setExistPrePage(false);
        pager.setPageSize(pager.getPageSize());
    }

    /**
     * Creates search conditions for search log queries based on pager criteria.
     *
     * @param pager The search log pager containing filter criteria

     *
     * @return The page size.
     */
    public int getPageSize() {
        if (pageSize <= 0) {
            pageSize = getDefaultPageSize();
        }
        return pageSize;
    }

    /**
     * Sets the page size.
     *
     * @param pageSize The page size.
     */
    public void setPageSize(final int pageSize) {
        this.pageSize = pageSize;
    }

    /**

     * @param size the page size to set
     */
    public void setPageSize(final int size) {
        this.size = Integer.toString(size);
    }

    /**
     * Gets the page size for search log results with validation.
     * Returns the default page size if the current size is invalid.
     *
     * @return the validated page size
     */
    public int getPageSize() {
        if (StringUtil.isBlank(size)) {

                return 0;
            }

            @Override
            public int getOffset() {
                return 0;
            }

            @Override
            public int getPageSize() {
                return 0;
            }

            @Override
            public String[] getExtraQueries() {
                return extraQueries;
            }

            @Override

     * @return The number of records per page
     */
    public int getPageSize() {
        if (pageSize <= 0) {
            pageSize = getDefaultPageSize();
        }
        return pageSize;
    }

    /**
     * Sets the page size.
     *
     * @param pageSize The number of records per page
     */
    public void setPageSize(final int pageSize) {
        this.pageSize = pageSize;
    }

     * @return A list of roles.
     */
    public List<Role> getRoleList(final RolePager rolePager) {

        final PagingResultBean<Role> roleList = roleBhv.selectPage(cb -> {
            cb.paging(rolePager.getPageSize(), rolePager.getCurrentPageNumber());
            setupListCondition(cb, rolePager);
        });

        // update pager

     */
    public BaseSearchBody() {
        // Default constructor
    }

    /**
     * Gets the page size for search results.
     * @return The page size.
     */
    public int getPageSize() {
        if (size != null) {
            return size;
        }
        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
    }

    /**