AbstractAsyncContextManager,
    AbstractContextManager,
    AsyncExitStack,
    asynccontextmanager,
)
from enum import Enum, IntEnum
from typing import (
    Annotated,
    Any,
    TypeVar,
    cast,
)

import anyio
from annotated_doc import Doc
from anyio.abc import ObjectReceiveStream
from fastapi import params
from fastapi._compat import (
    ModelField,
    Undefined,

from collections.abc import Awaitable, Callable, Coroutine, Sequence
from enum import Enum
from typing import Annotated, Any, TypeVar

from annotated_doc import Doc
from fastapi import routing
from fastapi.datastructures import Default, DefaultPlaceholder
from fastapi.exception_handlers import (
    http_exception_handler,
    request_validation_exception_handler,
    websocket_request_validation_exception_handler,
)
from fastapi.exceptions import (