Predicate<Throwable> predicate = INSTANCE_OF.get(expectedThrowable);
    if (predicate == null) {
      throw new IllegalArgumentException(
          expectedThrowable
              + " is not yet supported by ReflectionFreeAssertThrows. Add an entry for it in the"
              + " map in that class.");
    }
    Object result;
    try {
      result = supplier.get();
    } catch (Throwable t) {

      }
      return if (provider.unsupported) null else provider.selected
    } catch (e: InvocationTargetException) {
      throw AssertionError("failed to get ALPN selected protocol", e)
    } catch (e: IllegalAccessException) {
      throw AssertionError("failed to get ALPN selected protocol", e)
    }
  }

  /**
   * Handle the methods of ALPN's ClientProvider and ServerProvider without a compile-time

        }

        public static AccessorKey ofMethodWithSameSignatureButNewName(String newName, JApiMethod jApiMethod) {
            String descriptor = jApiMethod.getNewMethod().get().getSignature();
            String containingType = jApiMethod.getjApiClass().getFullyQualifiedName();
            return new AccessorKey(containingType, newName, descriptor);
        }

        .header("Upgrade", "websocket")
        .header("Host", "square.com")
        .header("TE", "gzip")
        .build()
    val expected =
      headerEntries(
        ":method",
        "GET",
        ":path",
        "/",
        ":authority",
        "square.com",
        ":scheme",
        "http",
      )
    assertThat(http2HeadersList(request)).isEqualTo(expected)
  }

    super(unfiltered, predicate);
  }

  @Override
  public SetMultimap<K, V> unfiltered() {
    return (SetMultimap<K, V>) unfiltered;
  }

  @Override
  public Set<V> get(@ParametricNullness K key) {
    return (Set<V>) super.get(key);
  }

  @Override
  public Set<V> removeAll(@CheckForNull Object key) {
    return (Set<V>) super.removeAll(key);
  }

  @Override

    public void execute(ViolationCheckContextWithViolations context) {
        Set<ApiChange> acceptedApiChanges = (Set<ApiChange>) context.getUserData().get("acceptedApiChanges");
        Set<ApiChange> seenApiChanges = (Set<ApiChange>) context.getUserData().get("seenApiChanges");
        Set<ApiChange> left = new HashSet<>(acceptedApiChanges);
        left.removeAll(seenApiChanges);
        if (!left.isEmpty()) {

    @Resource
    protected DynamicProperties systemProperties;

    // ===================================================================================
    //

    // GET /api/admin/general
    @Execute
    public JsonResponse<ApiResult> get$index() {
        final EditBody form = new EditBody();
        AdminGeneralAction.updateForm(fessConfig, form);
        form.ldapAdminSecurityCredentials = null;

    @Override
    protected void testRead() {
        final Map<String, Object> searchBody = new HashMap<>();
        final String response = checkMethodBase(searchBody).get(API_PATH + "/" + LIST_ENDPOINT_SUFFIX).asString();
        assertEquals(new Integer(0), JsonPath.from(response).get("response.status"));
    }

    @Override
    protected void tearDown() {
        // do nothing
    }

    @Test
    void crudTest() {

        }
    }

    public ArtifactHandler getArtifactHandler(String type) {
        requireNonNull(type, "null type");
        ArtifactHandler handler = allHandlers.get(type);
        if (handler == null) {
            handler = artifactHandlers.get(type);
            if (handler == null) {
                handler = new DefaultArtifactHandler(type);
            } else {
                allHandlers.put(type, handler);

* Valideren dat er een `item_id` bestaat in het pad voor `GET` en `PUT` verzoeken.
* Valideren dat het `item_id` van het type `int` is voor `GET` en `PUT` verzoeken.
    * Wanneer dat niet het geval is, krijgt de cliënt een nuttige, duidelijke foutmelding.
* Controleren of er een optionele query parameter is met de naam `q` (zoals in `http://127.0.0.1:8000/items/foo?q=somequery`) voor `GET` verzoeken.