assertEquals(1, ((List<?>) pom.getValue("developers")).size());
        assertEquals("dev", pom.getValue("developers[1]/id"));
        assertEquals("project-developer", pom.getValue("developers[1]/name"));
        assertEquals("developer@", pom.getValue("developers[1]/email"));
        assertEquals("https://developer", pom.getValue("developers[1]/url"));
        assertEquals("developer", pom.getValue("developers[1]/organization"));

      <distribution>repo</distribution>
    </license>
  </licenses>
  <developers>
    <!-- Sonatype requires that we list someone here. Guava has many contributors: https://github.com/google/guava/graphs/contributors -->
    <developer>
      <id>cpovirk</id>
      <name>Chris Povirk</name>
      <email>******@****.***</email>
    </developer>
  </developers>
  <modules>
    <module>guava</module>
    <module>guava-bom</module>

      <distribution>repo</distribution>
    </license>
  </licenses>
  <developers>
    <!-- Sonatype requires that we list someone here. Guava has many contributors: https://github.com/google/guava/graphs/contributors -->
    <developer>
      <id>cpovirk</id>
      <name>Chris Povirk</name>
      <email>******@****.***</email>
    </developer>
  </developers>
  <modules>
    <module>guava</module>
    <module>guava-bom</module>

# WebSockets { #websockets }

Sie können <a href="https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API" class="external-link" target="_blank">WebSockets</a> mit **FastAPI** verwenden.

## `websockets` installieren { #install-websockets }

    * 次に、対応する*path operation*によって生成された `response` を返します。
* その後、`response` を返す前にさらに `response` を変更することもできます。

{* ../../docs_src/middleware/tutorial001.py hl[8:9,11,14] *}

/// tip | 豆知識

<a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers" class="external-link" target="_blank">'X-'プレフィックスを使用</a>してカスタムの独自ヘッダーを追加できます。

///

/// note | Technical Details

You could also use `from starlette.testclient import TestClient`.

**FastAPI** provides the same `starlette.testclient` as `fastapi.testclient` just as a convenience for you, the developer. But it comes directly from Starlette.

///

/// tip

### abbr даёт полную расшифровку и объяснение { #the-abbr-gives-a-full-phrase-and-an-explanation }

* <abbr title="Mozilla Developer Network – Сеть разработчиков Mozilla: документация для разработчиков, созданная командой Firefox">MDN</abbr>
* <abbr title="Input/Output – Ввод/Вывод: чтение или запись на диск, сетевое взаимодействие.">I/O</abbr>.

////

                    corresponding JSON. But if the data in the object returned is not
                    valid, that would mean a violation of the contract with the client,
                    so it's an error from the API developer. So, FastAPI will raise an
                    error and return a 500 error code (Internal Server Error).

                Read more about it in the

1.  Using tools and libraries installed directly on your system.

    Refer to the
    [CPU-only developer Dockerfile](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/tools/dockerfiles/dockerfiles/devel-cpu.Dockerfile)
    and
    [GPU developer Dockerfile](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/tools/dockerfiles/dockerfiles/devel-gpu.Dockerfile)

```

MockWebServer is used for firstly for internal testing, and for basic testing of apps using OkHttp client.
It is not a full featured HTTP testing library that is developed standalone. It is not being actively developed
for new features. As such you might find your needs outgrow MockWebServer and you may which to use a
more full featured testing library such as [MockServer](https://www.mock-server.com/).