*
     * @param model The model whose duplicate elements should be merged, must not be {@code null}.
     * @param request The model building request that holds further settings, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */

    attributes:
      label: "Would this change make Go easier or harder to learn, and why?"

  - type: textarea
    id: cost-description
    attributes:
      label: "Cost Description"
      description: "What is the cost of this proposal? (Every language change has a cost)"

  - type: input
    id: go-toolchain
    attributes:
      label: Changes to Go ToolChain

    return SocketChannel.open().socket()
  }

  override fun createSocket(
    host: String,
    port: Int,
  ): Socket = TODO("Not yet implemented")

  override fun createSocket(
    host: String,
    port: Int,
    localHost: InetAddress,
    localPort: Int,
  ): Socket = TODO("Not yet implemented")

  override fun createSocket(
    host: InetAddress,
    port: Int,
  ): Socket = TODO("Not yet implemented")

        "Cache-Control",
        "must-revalidate",
      )
    val cacheControl = parse(headers)
    assertThat(cacheControl.toString()).isEqualTo("max-age=12, must-revalidate")
  }

  @Test
  fun parsePragmaHeaderValueIsNotRetained() {
    val headers = headersOf("Pragma", "must-revalidate")
    val cacheControl = parse(headers)
    assertThat(cacheControl.toString()).isEqualTo("must-revalidate")
  }

  @Test

    }

    /**
     * Validate the specified settings.
     *
     * @param settings The settings to validate, must not be {@code null}.
     * @return The list of problems that were encountered, must not be {@code null}.
     */
    @Nonnull
    default List<BuilderProblem> validate(@Nonnull Settings settings) {
        return validate(settings, false);
    }

// TODO(srbs): Add APIs for specifying attrs etc.
// `op_type` must outlive `op`.
void TF_AbstractOpSetOpType(TF_AbstractOp* op, const char* const op_type,
                            TF_Status* s);
// `op_name` must outlive `op`.
void TF_AbstractOpSetOpName(TF_AbstractOp* op, const char* const op_name,
                            TF_Status* s);
// `attr_name` must outlive `op`.

    pass


app = FastAPI()


@app.post("/")
async def post(
    foo: Union[Foo, None] = None,
):
    return foo


client = TestClient(app)


def test_call_invalid():
    response = client.post("/", json={"foo": {"bar": "baz"}})
    assert response.status_code == 422


def test_call_valid():
    response = client.post("/", json={})
    assert response.status_code == 200

     * @param host proxy server host name
     */
    public void setHost(String host) {
        this.host = host;
    }

    /**
     * Get user's password used to log in to proxy server.
     *
     * @return user's password at proxy host
     */
    public String getPassword() {
        return password;
    }

    /**
     * Set the user's password for the proxy server.
     *

	outReq.URL.Scheme = target.Scheme
	outReq.URL.Host = target.Host

	u := f.getURLFromRequest(outReq)

	outReq.URL.Path = u.Path
	outReq.URL.RawPath = u.RawPath
	outReq.URL.RawQuery = u.RawQuery
	outReq.RequestURI = "" // Outgoing request should not have RequestURI

	// Do not pass client Host header unless requested.
	if !f.PassHost {
		outReq.Host = target.Host
	}

	// TODO: only supports HTTP 1.1 for now.

   * {@code edge} will be undirected in this graph.
   *
   * <p>If this graph is directed, {@code endpoints} must be ordered.
   *
   * <p><b>{@code edge} must be unique to this graph</b>, just as a {@code Map} key must be. It must
   * also be non-null.
   *
   * <p>If either or both endpoints are not already present in this graph, this method will silently