* {@link #contains}.
   */
  private static final class SetContainsThrows extends AbstractSet<Void> {
    @Override
    public boolean contains(@Nullable Object o) {
      throw o == null ? new NullPointerException() : new ClassCastException();
    }

    @Override
    public int size() {
      return 0;
    }

    @Override

      for (ResourceInfo resource : location.scanResources()) {
        builder.add(resource.getResourceName());
      }
    }
    return builder.build();
  }

  private static boolean isWindows() {
    return OS_NAME.value().startsWith("Windows");
  }

Puedes utilizar **anotaciones de tipos** de la misma manera que lo harías para datos de entrada en **parámetros** de función, puedes utilizar modelos de Pydantic, list, diccionarios, valores escalares como enteros, booleanos, etc.

{* ../../docs_src/response_model/tutorial001_01_py310.py hl[16,21] *}

FastAPI usará este tipo de retorno para:

* **Validar** los datos devueltos.

        override fun writeTo(sink: BufferedSink) {
          sink.writeUtf8("Hello request!")
          sink.close()
        }

        override fun isDuplex(): Boolean = true
      }
    val request =
      request()
        .post(asyncRequestBody)
        .build()
    val response = client.newCall(request).execute()

            final List<String> fileConfigIdList = options.getFileConfigIdList();
            final List<String> dataConfigIdList = options.getDataConfigIdList();
            final boolean runAll = webConfigIdList == null && fileConfigIdList == null && dataConfigIdList == null;

            Thread webFsCrawlerThread = null;
            Thread dataCrawlerThread = null;

    /**
     * Checks if the suggest item contains any of the given bad words.
     * @param badWords The array of bad words.
     * @return True if the item contains a bad word, false otherwise.
     */
    public boolean isBadWord(final String[] badWords) {
        for (final String badWord : badWords) {
            if (text.contains(badWord)) {
                return true;
            }
        }
        return false;
    }

      for (ResourceInfo resource : location.scanResources()) {
        builder.add(resource.getResourceName());
      }
    }
    return builder.build();
  }

  private static boolean isWindows() {
    return OS_NAME.value().startsWith("Windows");
  }

    public int bits() {
      int bitSum = 0;
      for (HashFunction function : functions) {
        bitSum += function.bits();
      }
      return bitSum;
    }

    @Override
    public boolean equals(@Nullable Object object) {
      if (object instanceof ConcatenatedHashFunction) {
        ConcatenatedHashFunction other = (ConcatenatedHashFunction) object;
        return Arrays.equals(functions, other.functions);

            override fun writeTo(sink: BufferedSink) {
              sink.writeUtf8("attempt " + attempt++)
            }

            override fun isOneShot(): Boolean = true
          },
      )
    val response = client.newCall(request).execute()
    assertThat(response.code).isEqualTo(503)
    assertThat(response.body.string()).isEqualTo("please retry")

    }

    @Override
    @BeforeEach
    public void setUp() throws Exception {
        projectBuilder = getContainer().lookup(ProjectBuilder.class);
    }

    protected MavenProject getProject(Artifact pom, boolean allowStub) throws Exception {
        ProjectBuildingRequest configuration = new DefaultProjectBuildingRequest();
        configuration.setLocalRepository(getLocalRepository());
        initRepoSession(configuration);