checkState(adjacentNodes.add(node));
    }
  }

  @CheckForNull
  private static <T> T getReference(@CheckForNull Reference<T> reference) {
    return (reference == null) ? null : reference.get();
  }

    ImmutableSet<E> result = elementSet;
    return (result == null) ? elementSet = new ElementSet<>(entries, this) : result;
  }

  @Override
  Entry<E> getEntry(int index) {
    return entries.get(index);
  }

  @Override
  boolean isPartialView() {
    return false;
  }

  @Override
  public int size() {
    return Ints.saturatedCast(size);
  }

}

func readKeyEtcd(ctx context.Context, client *etcd.Client, key string) ([]byte, error) {
	timeoutCtx, cancel := context.WithTimeout(ctx, defaultContextTimeout)
	defer cancel()
	resp, err := client.Get(timeoutCtx, key)
	if err != nil {
		etcdLogOnceIf(ctx, err, "etcd-retrieve-keys")
		return nil, etcdErrToErr(err, client.Endpoints())
	}
	if resp.Count == 0 {
		return nil, errConfigNotFound
	}

                "input": {},
            },
        ]
    }


@needs_pydanticv2
@needs_py39
def test_openapi_schema(client: TestClient):
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "openapi": "3.1.0",
        "info": {"title": "FastAPI", "version": "0.1.0"},
        "paths": {

                    "type": "value_error.number.not_gt",
                }
            ]
        }
    )


@needs_py310
def test_openapi_schema(client: TestClient):
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "openapi": "3.1.0",
        "info": {"title": "FastAPI", "version": "0.1.0"},
        "paths": {

    assert response.status_code == 200, response.text
    assert response.json() == {"filename": "test.txt"}


def test_openapi_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "openapi": "3.1.0",
        "info": {"title": "FastAPI", "version": "0.1.0"},
        "paths": {

        return (DataConfigCB) this;
    }

    @Override
    public void acceptPrimaryKeyMap(Map<String, ? extends Object> primaryKeyMap) {
        acceptPK((String) primaryKeyMap.get("_id"));
    }

    // ===================================================================================
    //                                                                               Build

        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final JobManager jobManager = ComponentUtil.getJobManager();
        final ScheduledJob scheduledJob = (ScheduledJob) runtime.getParameterMap().get(Constants.SCHEDULED_JOB);
        final String id = scheduledJob.getId();
        final String target = scheduledJob.getTarget();
        if (!ComponentUtil.getFessConfig().isSchedulerTarget(target)) {

  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testKeysRemove() {
    int original = multimap().keys().remove(k0(), 1);
    assertEquals(max(original - 1, 0), multimap().get(k0()).size());
  }

  @CollectionSize.Require(ONE)
  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
  public void testKeysEntrySetIteratorRemove() {
    Multiset<K> keys = multimap().keys();

class Graph {
    private enum DfsState {
        VISITING,
        VISITED
    }

    final Map<String, Vertex> vertices = new LinkedHashMap<>();

    public Vertex getVertex(String id) {
        return vertices.get(id);
    }

    public Collection<Vertex> getVertices() {
        return vertices.values();
    }

    Vertex addVertex(String label) {
        return vertices.computeIfAbsent(label, Vertex::new);
    }