Para hacerlo, usa la anotación de tipos estándar de Python <a href="https://docs.python.org/3/library/typing.html#typing.Union" class="external-link" target="_blank">`typing.Union`</a>:

/// note | Nota

       * but that class isn't available under all environments that we support. We use it if
       * available and fall back if not.
       */
      String fromSystemProperty = requireNonNull(USER_NAME.value());

      try {
        Class<?> processHandleClass = Class.forName("java.lang.ProcessHandle");
        Class<?> processHandleInfoClass = Class.forName("java.lang.ProcessHandle$Info");

    <chapter id="classId">
        <title>Class</title>
        <segmentedlist>
            <segtitle>API Documentation</segtitle>
            <seglistitem>
                <seg>
                    <apilink class="org.gradle.Class" style="java"/>
                </seg>
            </seglistitem>
        </segmentedlist>
        <para>class comment</para>
        <section>
            <title>Properties</title>

        MultimapContainsEntryTester.class,
        MultimapEntriesTester.class,
        MultimapEqualsTester.class,
        MultimapGetTester.class,
        MultimapKeySetTester.class,
        MultimapKeysTester.class,
        MultimapPutTester.class,
        MultimapPutAllMultimapTester.class,
        MultimapPutIterableTester.class,
        MultimapReplaceValuesTester.class,
        MultimapRemoveEntryTester.class,

 * @author Jens Nyman
 * @param <N> Node parameter type
 * @param <V> Value parameter type
 */
final class DirectedGraphConnections<N, V> implements GraphConnections<N, V> {
  /**
   * A wrapper class to indicate a node is both a predecessor and successor while still providing
   * the successor value.
   */
  private static final class PredAndSucc {
    private final Object successorValue;

    PredAndSucc(Object successorValue) {

    @Override
    public boolean equals(@Nullable Object o) {
      return o == this || o == null;
    }

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

  /** Test class that returns true even if the test object is of the wrong class */
  private static class InvalidEqualsIncompatibleClassObject {

    @Override

fake_secret_token = "coneofsilence"

fake_db = {
    "foo": {"id": "foo", "title": "Foo", "description": "There goes my hero"},
    "bar": {"id": "bar", "title": "Bar", "description": "The bartenders"},
}

app = FastAPI()


class Item(BaseModel):
    id: str
    title: str
    description: str | None = None


@app.get("/items/{item_id}", response_model=Item)
async def read_main(item_id: str, x_token: str = Header()):

fake_secret_token = "coneofsilence"

fake_db = {
    "foo": {"id": "foo", "title": "Foo", "description": "There goes my hero"},
    "bar": {"id": "bar", "title": "Bar", "description": "The bartenders"},
}

app = FastAPI()


class Item(BaseModel):
    id: str
    title: str
    description: Union[str, None] = None


@app.get("/items/{item_id}", response_model=Item)
async def read_main(item_id: str, x_token: str = Header()):

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package gradlebuild.modules.model


enum class License(val displayName: String) {
    Apache2("Apache 2.0"),
    BSD3("3-Clause BSD"),
    BSDStyle("BSD-style"),
    CDDL("CDDL"),
    EDL("Eclipse Distribution License 1.0"),
    EPL("Eclipse Public License 1.0"),

import jetbrains.buildServer.configs.kotlin.RelativeId
import jetbrains.buildServer.configs.kotlin.triggers.VcsTrigger
import jetbrains.buildServer.configs.kotlin.triggers.vcs
import model.CIBuildModel
import model.StageName

class GitHubMergeQueueCheckPass(
    model: CIBuildModel,
) : BaseGradleBuildType(init = {
        id("${model.projectId}_GitHubMergeQueueCheckPass")
        uuid = "${DslContext.uuidPrefix}_${model.projectId}_GitHubMergeQueueCheckPass"