//                                                                      Search Execute
    //                                                                      ==============
    /**
     * Displays the label type list page.
     *
     * @param form the search form
     * @return HTML response for the list page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })

     */
    @Nullable Executor delegate;

    /**
     * Set before calling delegate.execute(); set to null once run, so that it can be GCed; this
     * object may live on after, if submitAsync returns an incomplete future.
     */
    @Nullable Runnable task;

    /** Thread that called execute(). Set in execute, cleared when delegate.execute() returns. */
    @LazyInit @Nullable Thread submitting;

    //                                                                      Search Execute
    //                                                                      ==============
    /**
     * Displays the group list page.
     *
     * @return HTML response for the list page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        return asListHtml();

    //                                                                      Search Execute
    //                                                                      ==============
    /**
     * Displays the related query management index page.
     *
     * @return HTML response for the related query list page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {

    server.enqueue(MockResponse(body = "b"))
    val request = Request(server.url("/"))
    val responseA = client.newCall(request).execute()
    assertThat(responseA.body.string()).isEqualTo("a")
    assertThat(server.takeRequest().exchangeIndex).isEqualTo(0)
    val responseB = client.newCall(request).execute()
    assertThat(responseB.body.string()).isEqualTo("b")
    assertThat(server.takeRequest().exchangeIndex).isEqualTo(1)

    //                                                                      Search Execute
    //                                                                      ==============
    /**
     * Displays the general error page.
     *
     * @param form the error form containing error information
     * @return HTML response for the error page
     */
    @Execute
    public HtmlResponse index(final ErrorForm form) {

    //                                                                      Search Execute
    //                                                                      ==============
    /**
     * Displays the system error page.
     *
     * @param form the error form containing error information
     * @return HTML response for the system error page
     */
    @Execute
    public HtmlResponse index(final ErrorForm form) {

      client.newCall(
        Request
          .Builder()
          .url(server.url("/"))
          .post(AsyncRequestBody())
          .build(),
      )
    assertFailsWith<ProtocolException> {
      call.execute()
    }
  }

  @Test
  fun trueDuplexClientWritesFirst() {
    enableProtocol(Protocol.HTTP_2)
    val body =
      MockSocketHandler()
        .receiveRequest("request A\n")

            final ActionType<Response> action, final Request request) {
        return client.execute(action, request);
    }

    /**
     * Executes an action asynchronously with a callback.
     *
     * @param <Request>  the request type
     * @param <Response> the response type
     * @param action     the action to execute

        assertEquals(1, indexUpdateCallback.docList.size());

        // Execute commit
        indexUpdateCallback.commit();

        // Verify documents were sent
        assertEquals(1, indexingHelper.sendDocumentsCalled);
        assertEquals(0, indexUpdateCallback.docList.size());
    }

    public void test_commit_withEmptyCache() {
        // Execute commit with no documents
        indexUpdateCallback.commit();