Callable<V> callable, long delay, TimeUnit unit) {
      return NeverScheduledFuture.create();
    }

    @Override
    public ListenableScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit) {
      return NeverScheduledFuture.create();
    }

    @Override
    public ListenableScheduledFuture<?> scheduleAtFixedRate(

But you also want it to accept new items. And when the items didn't exist before, it creates them, and returns an HTTP status code of 201 "Created".

To achieve that, import `JSONResponse`, and return your content there directly, setting the `status_code` that you want:

{* ../../docs_src/additional_status_codes/tutorial001_an_py310.py hl[4,25] *}

    //                                         -------------
    /**
     * Creates a new key match.
     *
     * @param form the create form
     * @return HTML response after creation
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse create(final CreateForm form) {
        verifyCrudMode(form.crudMode, CrudMode.CREATE);
        validate(form, messages -> {}, this::asEditHtml);

 * This form handles the creation of stopwords that should be
 * excluded from search indexing and analysis.
 *
 */
public class CreateForm {

    /**
     * Creates a new CreateForm instance.
     */
    public CreateForm() {
    }

    /** The dictionary ID to which this stopword entry belongs */
    @Required
    public String dictId;

    byte[] challenge = null;

    /**
     * Create an {@code NtlmPasswordAuthentication} object from the userinfo
     * component of an SMB URL like "{@code domain;user:pass}". This constructor
     * is used internally be jCIFS when parsing SMB URLs.
     */

    /**
     * Create an NtlmPasswordAuthentication object from a userinfo string.
     *

errors.invalid_query_cannot_process=Could not process the specified query.
errors.crud_invalid_mode = The mode is incorrect. (not {0}, but {1})
errors.crud_failed_to_create_instance = Failed to create a new data.
errors.crud_failed_to_create_crud_table = Failed to create a new data. ({0})
errors.crud_failed_to_update_crud_table=Failed to update the data. ({0})
errors.crud_failed_to_delete_crud_table=Failed to delete the data. ({0})

errors.invalid_query_cannot_process=Could not process the specified query.
errors.crud_invalid_mode = The mode is incorrect. (not {0}, but {1})
errors.crud_failed_to_create_instance = Failed to create a new data.
errors.crud_failed_to_create_crud_table = Failed to create a new data. ({0})
errors.crud_failed_to_update_crud_table=Failed to update the data. ({0})
errors.crud_failed_to_delete_crud_table=Failed to delete the data. ({0})

    /** The file configuration ID associated with this authentication. */
    public String fileConfigId;

    /** The user who created this file authentication entry. */
    public String createdBy;

    /** The timestamp when this file authentication entry was created. */
    public String createdTime;

    /** The version number for optimistic locking. */
    public String versionNo;

    /**

    void testContextAccess() {
        // When
        NameServiceClientImpl client = new NameServiceClientImpl(mockContext);

        // Then
        assertNotNull(client, "Client should be created successfully");
        verify(mockContext, atLeastOnce()).getConfig();
    }

    @Test
    @DisplayName("Should handle invalid NetBIOS name quickly")

    return file;
  }

  /**
   * Creates a new temp dir for testing. The returned directory and all contents of it will be
   * deleted in the tear-down for this test.
   */
  protected final File createTempDir() throws IOException {
    File tempFile = File.createTempFile("IoTestCase", "");
    if (!tempFile.delete() || !tempFile.mkdir()) {
      throw new IOException("failed to create temp dir");
    }