Switched to a new branch 'feature/deprecation-headers'
90:from typing_extensions import deprecated
821:        deprecated: bool | None = None,
867:        self.deprecated = deprecated
1111:            deprecated(
1200:        deprecated: Annotated[
1204:                Mark all *path operations* in this router as deprecated.
1303:        self.deprecated = deprecated
1345:        deprecated: bool | None = None,
1393:            deprecated=deprecated or self.deprecated,
1427:        deprecated: bool | None = None,
1457:                deprecated=deprecated,
1646:        deprecated: Annotated[
1650:                Mark all *path operations* in this router as deprecated.
1769:                    deprecated=route.deprecated or deprecated or self.deprecated,
1963:        deprecated: Annotated[
1967:                Mark this *path operation* as deprecated.
2187:            deprecated=deprecated,
2340:        deprecated: Annotated[
2344:                Mark this *path operation* as deprecated.
2569:            deprecated=deprecated,
2722:        deprecated: Annotated[
2726:                Mark this *path operation* as deprecated.
2951:            deprecated=deprecated,
3104:        deprecated: Annotated[
3108:                Mark this *path operation* as deprecated.
3328:            deprecated=deprecated,
3481:        deprecated: Annotated[
3485:                Mark this *path operation* as deprecated.
3705:            deprecated=deprecated,
3858:        deprecated: Annotated[
3862:                Mark this *path operation* as deprecated.
4087:            deprecated=deprecated,
4240:        deprecated: Annotated[
4244:                Mark this *path operation* as deprecated.
4469:            deprecated=deprecated,
4622:        deprecated: Annotated[
4626:                Mark this *path operation* as deprecated.
4851:            deprecated=deprecated,
4920:    @deprecated(
4922:        on_event is deprecated, use lifespan event handlers instead.
4942:        `on_event` is deprecated, use `lifespan` event handlers instead.
4945:        [FastAPI docs for Lifespan Events](https://fastapi.tiangolo.com/advanced/events/#alternative-events-deprecated).
