//                                         Actually Crud
    //                                         -------------
    /**
     * Delete a crawling info.
     * @param form The edit form.
     * @return The HTML response.
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse delete(final EditForm form) {
        verifyCrudMode(form.crudMode, CrudMode.DETAILS);
        validate(form, messages -> {}, this::asDetailsHtml);

        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }

    public void delete(CrawlingInfo entity) {
        doDelete(entity, null);
    }

    public void delete(CrawlingInfo entity, RequestOptionCall<DeleteRequestBuilder> opLambda) {
        entity.asDocMeta().deleteOption(opLambda);
        doDelete(entity, null);
    }

        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }

    public void delete(ElevateWord entity) {
        doDelete(entity, null);
    }

    public void delete(ElevateWord entity, RequestOptionCall<DeleteRequestBuilder> opLambda) {
        entity.asDocMeta().deleteOption(opLambda);
        doDelete(entity, null);
    }

        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }

    public void delete(PathMapping entity) {
        doDelete(entity, null);
    }

    public void delete(PathMapping entity, RequestOptionCall<DeleteRequestBuilder> opLambda) {
        entity.asDocMeta().deleteOption(opLambda);
        doDelete(entity, null);
    }

    cache.close()
    createNewCache()

    // The journal will have no record that 'a' was removed. It will have an entry for 'a', but when
    // it tries to read the cache files, it will find they were deleted. Once it encounters an entry
    // with missing cache files, it should remove it from the cache entirely.
    assertThat(cache.size()).isEqualTo(4)
    assertThat(cache["a"]).isNull()

        // Test unavailable SID type (type 3 - DOMAIN)
        assertNull(sambaHelper.getAccountId(createMockSID(3, "Domain")));

        // Test unavailable SID type (type 6 - DELETED)
        assertNull(sambaHelper.getAccountId(createMockSID(6, "Deleted Account")));

        // Test unavailable SID type (type 7 - INVALID)
        assertNull(sambaHelper.getAccountId(createMockSID(7, "Invalid Account")));
    }

     *
     * @return a string containing the execution result with the number of deleted files or error message
     */
    public String execute() {
        try {
            final long count = ComponentUtil.getThumbnailManager().purge(getExpiry());
            return "Deleted " + count + " thumbnail files.";
        } catch (final Exception e) {
            logger.error("Failed to purge thumbnails.", e);

        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }

    public void delete(AccessToken entity) {
        doDelete(entity, null);
    }

    public void delete(AccessToken entity, RequestOptionCall<DeleteRequestBuilder> opLambda) {
        entity.asDocMeta().deleteOption(opLambda);
        doDelete(entity, null);
    }

        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }

    public void delete(ElevateWordToLabel entity) {
        doDelete(entity, null);
    }

    public void delete(ElevateWordToLabel entity, RequestOptionCall<DeleteRequestBuilder> opLambda) {
        entity.asDocMeta().deleteOption(opLambda);
        doDelete(entity, null);
    }

        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }

    public void delete(KeyMatch entity) {
        doDelete(entity, null);
    }

    public void delete(KeyMatch entity, RequestOptionCall<DeleteRequestBuilder> opLambda) {
        entity.asDocMeta().deleteOption(opLambda);
        doDelete(entity, null);
    }