* {@literal null}値のプロパティを操作の対象外にした{@link CopyOptions}を返します。
     *
     * @return {@literal null}値のプロパティを操作の対象外にした{@link CopyOptions}を返します。
     * @see CopyOptions#excludeNull()
     */
    public static CopyOptions excludeNull() {
        return new CopyOptions().excludeNull();
    }

    /**
     * 空白のプロパティを操作の対象外にした{@link CopyOptions}を返します。
     *
     * @return 空白のプロパティを操作の対象外にした{@link CopyOptions}

        final String id = form.id;
        labelTypeService.getLabelType(id).ifPresent(entity -> {
            copyBeanToBean(entity, form, copyOp -> {
                copyOp.excludeNull();
                copyOp.exclude(Constants.PERMISSIONS);
            });
            final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();

    }

    protected EditBody createEditBody(final Role entity) {
        final EditBody body = new EditBody();
        copyBeanToBean(entity, body, copyOp -> {
            copyOp.excludeNull();
        });
        return body;
    }

    }

    protected EditBody createEditBody(final RelatedContent entity) {
        final EditBody body = new EditBody();
        copyBeanToBean(entity, body, copyOp -> {
            copyOp.excludeNull();
        });
        return body;
    }

    }

    protected EditBody createEditBody(final WebConfig entity) {
        final EditBody body = new EditBody();
        copyBeanToBean(entity, body, copyOp -> {
            copyOp.excludeNull();
            copyOp.exclude(Constants.PERMISSIONS, Constants.VIRTUAL_HOSTS);
        });
        final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();

            op.setup(form -> {
                kuromojiService.getKuromojiItem(dictId, id).ifPresent(entity -> {
                    copyBeanToBean(entity, form, copyOp -> {
                        copyOp.excludeNull();
                    });
                    form.crudMode = crudMode;
                }).orElse(() -> {

                ComponentUtil.getCrawlingConfigHelper().getDefaultConfig(ConfigType.DATA).ifPresent(entity -> {
                    copyBeanToBean(entity, form, copyOp -> {
                        copyOp.excludeNull();
                        copyOp.exclude(Stream.concat(Stream.of(Constants.COMMON_CONVERSION_RULE),
                                Stream.of(Constants.PERMISSIONS, Constants.VIRTUAL_HOSTS)).toArray(n -> new String[n]));

                ComponentUtil.getCrawlingConfigHelper().getDefaultConfig(ConfigType.WEB).ifPresent(entity -> {
                    copyBeanToBean(entity, form, copyOp -> {
                        copyOp.excludeNull();
                        copyOp.exclude(Stream.concat(Stream.of(Constants.COMMON_CONVERSION_RULE),
                                Stream.of(Constants.PERMISSIONS, Constants.VIRTUAL_HOSTS)).toArray(n -> new String[n]));

     */
    @Test
    public void testCopy_BeanToBean_ExcludeNull() throws Exception {
        final MyClass src = new MyClass();
        src.setAaa("111");
        src.setCcc("333");

        final MyClass2 dest = new MyClass2();
        dest.setAaa("aaa");
        dest.setBbb("bbb");
        dest.setDdd("ddd");

        BeanUtil.copyBeanToBean(src, dest, excludeNull());
        assertThat(dest.getAaa(), is("111"));

                ComponentUtil.getCrawlingConfigHelper().getDefaultConfig(ConfigType.FILE).ifPresent(entity -> {
                    copyBeanToBean(entity, form, copyOp -> {
                        copyOp.excludeNull();
                        copyOp.exclude(Stream.concat(Stream.of(Constants.COMMON_CONVERSION_RULE),
                                Stream.of(Constants.PERMISSIONS, Constants.VIRTUAL_HOSTS)).toArray(n -> new String[n]));