def fake_hash_password(password: str):
    return "fakehashed" + password


oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")


class User(BaseModel):
    username: str
    email: str | None = None
    full_name: str | None = None
    disabled: bool | None = None


class UserInDB(User):
    hashed_password: str


def get_user(db, username: str):
    if username in db:

    /**
     * ブランクかどうか返します。
     *
     * @param str
     *            文字列
     * @return ブランクなら{@literal true}
     */
    public static boolean isBlank(final String str) {
        if (str == null || str.length() == 0) {
            return true;
        }
        for (int i = 0; i < str.length(); i++) {
            if (!Character.isWhitespace(str.charAt(i))) {
                return false;
            }

     */
    @Nullable
    public static String normaliseLineSeparators(@Nullable String str) {
        logDeprecation();
        return normaliseLineSeparatorsInternal(str);
    }

    private static String normaliseLineSeparatorsInternal(@Nullable String str) {
        return str == null ? null : convertLineSeparatorsToUnixInternal(str);
    }

    /**

}


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

app = FastAPI()


class Image(BaseModel):
    url: HttpUrl
    name: str


class Item(BaseModel):
    name: str
    description: str | None = None
    price: float
    tax: float | None = None
    tags: set[str] = set()
    images: list[Image] | None = None


class Offer(BaseModel):
    name: str
    description: str | None = None
    price: float
    items: list[Item]


@app.post("/offers/")

    IPv6Network: str,
    NameEmail: str,
    Path: str,
    Pattern: lambda o: o.pattern,
    SecretBytes: str,
    SecretStr: str,
    set: list,
    UUID: str,
    Url: str,
    AnyUrl: str,
}


def generate_encoders_by_class_tuples(
    type_encoder_map: Dict[Any, Callable[[Any], Any]],
) -> Dict[Callable[[Any], Any], Tuple[Any, ...]]:
    encoders_by_class_tuples: Dict[Callable[[Any], Any], Tuple[Any, ...]] = defaultdict(

        lockFile.withDataInputStream { str ->
            // state version + creation number + sequence number
            assert str.readByte() == 3
            str.readLong()
            if (dirty) {
                assert str.readLong() == 0
            } else {
                assert str.readLong() != 0
            }
            assert str.read() < 0
        }
    }

					break
				}
				continue
			}
			if k.str == key.str {
				return add(unsafe.Pointer(b), dataOffset+abi.MapBucketCount*2*goarch.PtrSize+i*uintptr(t.ValueSize))
			}
			// check first 4 bytes
			if *((*[4]byte)(key.str)) != *((*[4]byte)(k.str)) {
				continue
			}
			// check last 4 bytes
			if *((*[4]byte)(add(key.str, uintptr(key.len)-4))) != *((*[4]byte)(add(k.str, uintptr(key.len)-4))) {
				continue
			}

	isSlice(Slice{1, 2, 3})
	asSlice(Slice{})
	isSlice(Slice{})
	asSlice(*&slice)
	isSlice(*&slice)

	asString(str)
	isString(str)
	asString(str + "a")
	isString(str + "a")
	asString("a" + str)
	isString("a" + str)
	asString(str + str)
	isString(str + str)
	str += "a"
	str += str
	asString(String('a'))
	isString(String('a'))
	asString(String([]byte(slice)))
	isString(String([]byte(slice)))

from fastapi.encoders import jsonable_encoder
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: Union[str, None] = None
    description: Union[str, None] = None
    price: Union[float, None] = None
    tax: float = 10.5
    tags: list[str] = []


items = {
    "foo": {"name": "Foo", "price": 50.2},
    "bar": {"name": "Bar", "description": "The bartenders", "price": 62, "tax": 20.2},