public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        pageNumber.ifPresent(num -> {
            groupPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            groupPager.setCurrentPageNumber(0);
        });
        return asHtml(path_AdminGroup_AdminGroupJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

    /**

    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        pageNumber.ifPresent(num -> {
            relatedQueryPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            relatedQueryPager.setCurrentPageNumber(0);
        });
        return asHtml(path_AdminRelatedquery_AdminRelatedqueryJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        pageNumber.ifPresent(num -> {
            fileAuthenticationPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            fileAuthenticationPager.setCurrentPageNumber(0);
        });
        return asHtml(path_AdminFileauth_AdminFileauthJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        pageNumber.ifPresent(num -> {
            reqHeaderPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            reqHeaderPager.setCurrentPageNumber(0);
        });
        return asHtml(path_AdminReqheader_AdminReqheaderJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

        validate(form, messages -> {}, this::asDictIndexHtml);
        pageNumber.ifPresent(num -> {
            charMappingPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            charMappingPager.setCurrentPageNumber(0);
        });
        return asHtml(path_AdminDictMapping_AdminDictMappingJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

        }
        return currentPageNumber;
    }

    /**
     * Sets the current page number.
     *
     * @param currentPageNumber the current page number
     */
    public void setCurrentPageNumber(final int currentPageNumber) {
        this.currentPageNumber = currentPageNumber;
    }

    /**
     * Gets the list of page numbers for pagination display.
     *

        }
        return currentPageNumber;
    }

    /**
     * Sets the current page number.
     * @param currentPageNumber The current page number.
     */
    public void setCurrentPageNumber(final int currentPageNumber) {
        this.currentPageNumber = currentPageNumber;
    }

    /**
     * Gets the list of page numbers.
     * @return The list of page numbers.
     */

        }
        return currentPageNumber;
    }

    /**
     * Sets the current page number.
     *
     * @param currentPageNumber the current page number
     */
    public void setCurrentPageNumber(final int currentPageNumber) {
        this.currentPageNumber = currentPageNumber;
    }

    /**
     * Gets the list of page numbers for navigation.
     *
     * @return the list of page numbers

        validate(form, messages -> {}, this::asDictIndexHtml);
        pageNumber.ifPresent(num -> {
            kuromojiPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            kuromojiPager.setCurrentPageNumber(0);
        });
        return asHtml(path_AdminDictKuromoji_AdminDictKuromojiJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

        }
        return currentPageNumber;
    }

    /**
     * Sets the current page number.
     *
     * @param currentPageNumber The current page number.
     */
    public void setCurrentPageNumber(final int currentPageNumber) {
        this.currentPageNumber = currentPageNumber;
    }

    /**
     * Gets the list of page numbers for navigation.
     *
     * @return A list of page numbers.