def _replace_refs(
    *,
    schema: dict[str, Any],
    old_name_to_new_name_map: dict[str, str],
) -> dict[str, Any]:
    new_schema = deepcopy(schema)
    for key, value in new_schema.items():
        if key == "$ref":
            value = schema["$ref"]
            if isinstance(value, str):
                ref_name = schema["$ref"].split("/")[-1]

app = FastAPI()


@app.get("/required-str/{p}")
async def read_required_str(p: Annotated[str, Path()]):
    return {"p": p}


@app.get("/required-alias/{p_alias}")
async def read_required_alias(p: Annotated[str, Path(alias="p_alias")]):
    return {"p": p}


@app.get("/required-validation-alias/{p_val_alias}")
def read_required_validation_alias(
    p: Annotated[str, Path(validation_alias="p_val_alias")],
):

app = FastAPI()


class RecursiveItem(BaseModel):
    sub_items: list["RecursiveItem"] = []
    name: str


class RecursiveSubitemInSubmodel(BaseModel):
    sub_items2: list["RecursiveItemViaSubmodel"] = []
    name: str


class RecursiveItemViaSubmodel(BaseModel):
    sub_items1: list[RecursiveSubitemInSubmodel] = []
    name: str


RecursiveItem.model_rebuild()
RecursiveSubitemInSubmodel.model_rebuild()

from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None


@app.put("/items/{item_id}")
async def update_item(
    *,
    item_id: int = Path(title="The ID of the item to get", ge=0, le=1000),
    q: Union[str, None] = None,
    item: Union[Item, None] = None,
):
    results = {"item_id": item_id}

    * リクエストとレスポンスはISO 8601形式の`str`で表現されます: `2008-09-15T15:53:00+05:00`
* `datetime.date`:
    * Pythonの`datetime.date`です。
    * リクエストとレスポンスはISO 8601形式の`str`で表現されます: `2008-09-15`
* `datetime.time`:
    * Pythonの`datetime.time`.
    * リクエストとレスポンスはISO 8601形式の`str`で表現されます: `14:23:55.003`
* `datetime.timedelta`:
    * Pythonの`datetime.timedelta`です。
    * リクエストとレスポンスでは合計秒数の`float`で表現されます。

def get_graphql_response(
    *,
    settings: Settings,
    query: str,
    after: Union[str, None] = None,
    category_id: Union[str, None] = None,
    discussion_number: Union[int, None] = None,
    discussion_id: Union[str, None] = None,
    comment_id: Union[str, None] = None,
    body: Union[str, None] = None,
) -> dict[str, Any]:
    headers = {"Authorization": f"token {settings.github_token.get_secret_value()}"}

class Token(BaseModel):
    access_token: str
    token_type: str


class TokenData(BaseModel):
    username: Union[str, None] = None
    scopes: list[str] = []


class User(BaseModel):
    username: str
    email: Union[str, None] = None
    full_name: Union[str, None] = None
    disabled: Union[bool, None] = None


class UserInDB(User):
    hashed_password: str

        self,
        *,
        flows: Annotated[
            Union[OAuthFlowsModel, dict[str, dict[str, Any]]],
            Doc(
                """
                The dictionary of OAuth2 flows.
                """
            ),
        ] = OAuthFlowsModel(),
        scheme_name: Annotated[
            Optional[str],
            Doc(
                """
                Security scheme name.

    ] = _Unset,
    validation_alias: Annotated[
        Union[str, AliasPath, AliasChoices, None],
        Doc(
            """
            'Whitelist' validation step. The parameter field will be the single one
            allowed by the alias or set of aliases defined.
            """
        ),
    ] = None,
    serialization_alias: Annotated[
        Union[str, None],
        Doc(
            """

}


class Token(BaseModel):
    access_token: str
    token_type: str


class TokenData(BaseModel):
    username: Union[str, None] = None


class User(BaseModel):
    username: str
    email: Union[str, None] = None
    full_name: Union[str, None] = None
    disabled: Union[bool, None] = None


class UserInDB(User):
    hashed_password: str


password_hash = PasswordHash.recommended()