lifespan: Annotated[
            Optional[Lifespan[Any]],
            Doc(
                """
                A `Lifespan` context manager handler. This replaces `startup` and
                `shutdown` functions with a single context manager.

                Read more in the
                [FastAPI docs for `lifespan`](https://fastapi.tiangolo.com/advanced/events/).

    class ModelWithDatetimeField(BaseModel):
        dt_field: datetime

        @field_serializer("dt_field")
        def serialize_datetime(self, dt_field: datetime):
            return dt_field.replace(microsecond=0, tzinfo=timezone.utc).isoformat()

    app = FastAPI()
    model = ModelWithDatetimeField(dt_field=datetime(2019, 1, 1, 8))

    @app.get("/model", response_model=ModelWithDatetimeField)
    def get_model():

            apiChangesJsonFile: new File(testDir, 'test-api-changes.json').path,
            projectRootDir: testDir.path,
        ]
    }

    String replaceAsInternal(String name) {
        return name.replace('gradlebuild', 'gradlebuild.internal')
    }

            )
            if (
                param_type == ParamTypes.header
                and name == param.name
                and convert_underscores
            ):
                name = param.name.replace("_", "-")

            parameter = {
                "name": name,
                "in": param_type.value,
                "required": param.required,
                "schema": param_schema,
            }

* 📝 Add External Link: Deploy FastAPI on Ubuntu and Serve using Caddy 2 Web Server. PR [#3572](https://github.com/tiangolo/fastapi/pull/3572) by [@tiangolo](https://github.com/tiangolo).
* 📝 Add External Link, replaces #1898. PR [#3571](https://github.com/tiangolo/fastapi/pull/3571) by [@tiangolo](https://github.com/tiangolo).

### Internal

Puedes aprender más sobre **GraphQL** en la <a href="https://graphql.org/" class="external-link" target="_blank">documentación oficial de GraphQL</a>.

            """
        ),
    ] = _Unset,
    decimal_places: Annotated[
        Union[int, None],
        Doc(
            """
            Maximum number of decimal places allowed for numbers.
            """
        ),
    ] = _Unset,
    examples: Annotated[
        Optional[list[Any]],
        Doc(
            """
            Example values for this field.

    # Get Depends from type annotation
    if depends is not None and depends.dependency is None:
        # Copy `depends` before mutating it
        depends = copy(depends)
        depends = dataclasses.replace(depends, dependency=type_annotation)

    # Handle non-param type annotations like Request
    if lenient_issubclass(
        type_annotation,
        (
            Request,
            WebSocket,

    class ModelWithCustomEncoder(BaseModel):
        dt_field: datetime

        @field_serializer("dt_field")
        def serialize_dt_field(self, dt):
            return dt.replace(microsecond=0, tzinfo=timezone.utc).isoformat()

    class ModelWithCustomEncoderSubclass(ModelWithCustomEncoder):
        pass

    model = ModelWithCustomEncoder(dt_field=datetime(2019, 1, 1, 8))

        »»»

    Do NOT translate with (German) – notice the added period:

        «««
        ## Ein weiteres Modul mit `APIRouter`. { #another-module-with-apirouter }
        »»»

3) Replace occurrences of literal « - » (a space followed by a hyphen followed by a space) with « – » (a space followed by a dash followed by a space) in the translated part of the heading.

Example:

    Source (English):