Prepender prepender = delegate.invoke(null, "a", 1);
    assertEquals("a", prepender.prefix);
    assertEquals(1, prepender.times);
  }

  public void testConstructor_returning() throws Exception {
    Invokable<?, Prepender> delegate =
        Prepender.constructor(String.class, int.class).returning(Prepender.class);
    Prepender prepender = delegate.invoke(null, "a", 1);
    assertEquals("a", prepender.prefix);

  /**
   * Records an exception so that it can be rethrown later in the test harness thread, triggering a
   * test case failure. Only the first failure is recorded; subsequent calls to this method from
   * within the same test have no effect.
   */
  public void threadRecordFailure(Throwable t) {
    threadFailure.compareAndSet(null, t);
  }

  @Override

    Function<N, V> successorNodeToValueFn =
        (N successorNode) ->
            // requireNonNull is safe because the endpoint pair comes from the graph.
            requireNonNull(graph.edgeValueOrDefault(node, successorNode, null));
    return graph.isDirected()
        ? DirectedGraphConnections.ofImmutable(
            node, graph.incidentEdges(node), successorNodeToValueFn)
        : UndirectedGraphConnections.ofImmutable(

Bevorzugen Sie die `Annotated`-Version, falls möglich.

///

```Python hl_lines="19-21"
{!> ../../docs_src/body_multiple_params/tutorial001.py!}
```

////

/// note | "Hinweis"

Beachten Sie, dass in diesem Fall das `item`, welches vom Body genommen wird, optional ist. Da es `None` als Defaultwert hat.

///

## Mehrere Body-Parameter

Platform.getDeclaringClassOrNullForJ2cl = function(e) {
  return null;

    }

    private ArtifactRepository injectSession(ArtifactRepository repository, boolean mirrors) {
        RepositorySystemSession session = legacySupport.getRepositorySession();

        if (session != null && repository != null && !isLocalRepository(repository)) {
            List<ArtifactRepository> repositories = Arrays.asList(repository);

            RepositorySystem repositorySystem;
            try {

                                "required": False,
                                "schema": IsDict(
                                    {
                                        "anyOf": [{"type": "string"}, {"type": "null"}],
                                        "title": "If Modified Since",
                                    }
                                )
                                | IsDict(

                                            "minLength": 1,
                                            "maxLength": 2083,
                                        },
                                        {"type": "null"},
                                    ],
                                    "title": "Callback Url",
                                }
                            )
                            | IsDict(

    // gives a predictable order of test suites.
    this.implied = copyToSet(implied);
    this.numElements = null;
  }

  @Override
  public Set<Feature<? super Collection>> getImpliedFeatures() {
    return implied;
  }

  public int getNumElements() {
    if (numElements == null) {
      throw new IllegalStateException(
          "A compound CollectionSize doesn't specify a number of elements.");
    }

        assertEquals("xyz", new String(resultData.getData(), resultData.getEncoding()));
    }

    public void test_transform_null() {
        try {
            textTransformer.transform(null);
            fail();
        } catch (final CrawlerSystemException e) {
            // NOP
        }
    }

    public void test_getData() throws Exception {