badwordpager.clear();
        assertEquals(0, badwordpager.getAllRecordCount());
        assertEquals(0, badwordpager.getAllPageCount());
        assertEquals(false, badwordpager.isExistPrePage());
        assertEquals(false, badwordpager.isExistNextPage());
        assertEquals(25, badwordpager.getPageSize());
        assertEquals(1, badwordpager.getCurrentPageNumber());
        assertNull(badwordpager.id);

        dataconfigpager.clear();
        assertEquals(0, dataconfigpager.getAllRecordCount());
        assertEquals(0, dataconfigpager.getAllPageCount());
        assertEquals(false, dataconfigpager.isExistPrePage());
        assertEquals(false, dataconfigpager.isExistNextPage());
        assertEquals(25, dataconfigpager.getPageSize());
        assertEquals(1, dataconfigpager.getCurrentPageNumber());

        charmappingpager.clear();
        assertEquals(0, charmappingpager.getAllRecordCount());
        assertEquals(0, charmappingpager.getAllPageCount());
        assertEquals(false, charmappingpager.isExistPrePage());
        assertEquals(false, charmappingpager.isExistNextPage());
        assertEquals(25, charmappingpager.getPageSize());
        assertEquals(1, charmappingpager.getCurrentPageNumber());

        accesstokenpager.clear();
        assertEquals(0, accesstokenpager.getAllRecordCount());
        assertEquals(0, accesstokenpager.getAllPageCount());
        assertEquals(false, accesstokenpager.isExistPrePage());
        assertEquals(false, accesstokenpager.isExistNextPage());
        assertEquals(25, accesstokenpager.getPageSize());
        assertEquals(1, accesstokenpager.getCurrentPageNumber());

        boostdocpager.clear();
        assertEquals(0, boostdocpager.getAllRecordCount());
        assertEquals(0, boostdocpager.getAllPageCount());
        assertEquals(false, boostdocpager.isExistPrePage());
        assertEquals(false, boostdocpager.isExistNextPage());
        assertEquals(25, boostdocpager.getPageSize());
        assertEquals(1, boostdocpager.getCurrentPageNumber());
        assertNull(boostdocpager.id);

        crawlinginfopage.clear();
        assertEquals(0, crawlinginfopage.getAllRecordCount());
        assertEquals(0, crawlinginfopage.getAllPageCount());
        assertEquals(false, crawlinginfopage.isExistPrePage());
        assertEquals(false, crawlinginfopage.isExistNextPage());
        assertEquals(25, crawlinginfopage.getPageSize());
        assertEquals(1, crawlinginfopage.getCurrentPageNumber());

        duplicatehostpager.clear();
        assertEquals(0, duplicatehostpager.getAllRecordCount());
        assertEquals(0, duplicatehostpager.getAllPageCount());
        assertEquals(false, duplicatehostpager.isExistPrePage());
        assertEquals(false, duplicatehostpager.isExistNextPage());
        assertEquals(25, duplicatehostpager.getPageSize());
        assertEquals(1, duplicatehostpager.getCurrentPageNumber());

        this.allPageCount = allPageCount;
    }

    /**
     * Returns true if a previous page exists.
     *
     * @return True if a previous page exists.
     */
    public boolean isExistPrePage() {
        return existPrePage;
    }

    /**
     * Sets whether a previous page exists.
     *
     * @param existPrePage True if a previous page exists.
     */

        this.allPageCount = allPageCount;
    }

    /**
     * Checks if a previous page exists.
     *
     * @return True if a previous page exists, false otherwise
     */
    public boolean isExistPrePage() {
        return existPrePage;
    }

    /**
     * Sets whether a previous page exists.
     *
     * @param existPrePage True if a previous page exists
     */

    }

    /**
     * Checks if a previous page exists for pagination.
     *
     * @return true if a previous page exists, false otherwise
     */
    public boolean isExistPrePage() {
        return existPrePage;
    }

    /**
     * Sets the flag indicating whether a previous page exists.
     *
     * @param existPrePage true if a previous page exists, false otherwise
     */