.body("A")
        .build(),
    )
    server.enqueue(
      MockResponse.Builder()
        .body("B")
        .build(),
    )
    val url = server.url("/")
    val request =
      Request.Builder()
        .url(url)
        .header("Accept-Language", "fr-CA")
        .header("Accept-Charset", "UTF-8")
        .header("Accept-Encoding", "identity")
        .build()

      .assertHeader("Donut", "a")
      .assertHeader("ETag", "v1")
      .assertRequestUrl(server.url("/"))
      .assertRequestHeader("Accept-Language") // No Vary on Accept-Language.
      .assertRequestHeader("Accept-Charset", "UTF-8") // Because of Vary on Accept-Charset.
      .assertRequestHeader("If-None-Match") // This wasn't present in the original request.

      getResponse(
        Request.Builder()
          .url(server.url("/"))
          .header("Accept-Encoding", "custom")
          .build(),
      )
    assertThat(readAscii(response.body.byteStream(), Int.MAX_VALUE)).isEqualTo("ABCDE")
    val request = server.takeRequest()
    assertThat(request.headers["Accept-Encoding"]).isEqualTo("custom")
  }

  /**

            if (fnf != null && fnf.accept(this, name) == false)
                continue;
            if (name.length() > 0) {
                // if !files we don't need to create SmbFiles here
                SmbFile f = new SmbFile(this, name, e.getType(),
                            ATTR_READONLY | ATTR_DIRECTORY, 0L, 0L, 0L );
                if (ff != null && ff.accept(f) == false)
                    continue;

    }

    @Override
    public void forEach(BiConsumer<? super K, ? super V> action) {
      checkNotNull(action);
      // avoids allocation of entries
      backingSet().forEach(k -> action.accept(k, function.apply(k)));
    }
  }

  static <K extends @Nullable Object, V extends @Nullable Object>
      Iterator<Entry<K, V>> asMapEntryIterator(Set<K> set, final Function<? super K, V> function) {

- github.com/aws/aws-sdk-go-v2/internal/ini: [v1.8.0](https://github.com/aws/aws-sdk-go-v2/tree/internal/ini/v1.8.0)
- github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding: [v1.11.3](https://github.com/aws/aws-sdk-go-v2/tree/service/internal/accept-encoding/v1.11.3)
- github.com/aws/aws-sdk-go-v2/service/internal/presigned-url: [v1.11.15](https://github.com/aws/aws-sdk-go-v2/tree/service/internal/presigned-url/v1.11.15)

   */
  public interface ValueAndCloserConsumer<V extends @Nullable Object> {

    /** Accepts a {@link ValueAndCloser} for the last step in a {@link ClosingFuture} pipeline. */
    void accept(ValueAndCloser<V> valueAndCloser);
  }

  /**
   * Starts a {@link ClosingFuture} pipeline by submitting a callable block to an executor.
   *

        app = FastAPI()
        router = APIRouter()

        @router.websocket("/ws")
        async def websocket_endpoint(websocket: WebSocket):
            await websocket.accept()
            while True:
                data = await websocket.receive_text()
                await websocket.send_text(f"Message text was: {data}")

        app.include_router(router)
        ```

            and not the licenses that apply to dependencies.
            If multiple licenses are listed, it is assumed that the user can select
            any of them, not that they must accept all.
            ]]>
          </description>
          <association>
            <type>License</type>
            <multiplicity>*</multiplicity>
          </association>
        </field>

     *       {@code Objects.equal(transformer.transform(k1, v1), transformer.transform(k2, v2))}.
     * </ul>
     *
     * @throws NullPointerException if the key or value is null and this transformer does not accept
     *     null arguments
     */
    @ParametricNullness
    V2 transformEntry(@ParametricNullness K key, @ParametricNullness V1 value);
  }