p: Annotated[bytes | None, File(validation_alias="p_val_alias")] = None,
):
    return {"file_size": len(p) if p else None}


@app.post(
    "/optional-uploadfile-validation-alias",
    operation_id="optional_uploadfile_validation_alias",
)
def read_optional_uploadfile_validation_alias(
    p: Annotated[UploadFile | None, File(validation_alias="p_val_alias")] = None,
):

@app.get("/optional-list-validation-alias")
def read_optional_list_validation_alias(
    p: Annotated[list[str] | None, Query(validation_alias="p_val_alias")] = None,
):
    return {"p": p}


class QueryModelOptionalListValidationAlias(BaseModel):
    p: list[str] | None = Field(None, validation_alias="p_val_alias")


@app.get("/model-optional-list-validation-alias")
def read_model_optional_list_validation_alias(

@app.post("/required-validation-alias", operation_id="required_validation_alias")
def read_required_validation_alias(
    p: Annotated[str, Form(validation_alias="p_val_alias")],
):
    return {"p": p}


class FormModelRequiredValidationAlias(BaseModel):
    p: str = Field(validation_alias="p_val_alias")


@app.post(
    "/model-required-validation-alias", operation_id="model_required_validation_alias"
)

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


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


@pytest.mark.parametrize(

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


class HeaderModelRequiredListValidationAlias(BaseModel):
    p: list[str] = Field(validation_alias="p_val_alias")


@app.get("/model-required-list-validation-alias")
async def read_model_required_list_validation_alias(

def read_list_bytes_validation_alias(
    p: Annotated[list[bytes], File(validation_alias="p_val_alias")],
):
    return {"file_size": [len(file) for file in p]}


@app.post(
    "/list-uploadfile-validation-alias",
    operation_id="list_uploadfile_validation_alias",
)
def read_list_uploadfile_validation_alias(
    p: Annotated[list[UploadFile], File(validation_alias="p_val_alias")],
):

    @property
    def alias(self) -> str:
        a = self.field_info.alias
        return a if a is not None else self.name

    @property
    def validation_alias(self) -> str | None:
        va = self.field_info.validation_alias
        if isinstance(va, str) and va:
            return va
        return None

    @property
    def serialization_alias(self) -> str | None:

        alias="body",
        field_info=BodyFieldInfo(**BodyFieldInfo_kwargs),
    )
    return final_field


def get_validation_alias(field: ModelField) -> str:
    va = getattr(field, "validation_alias", None)

    * `Header()`
    * `Cookie()`
    * `Body()`
    * `Form()`
    * `File()`

* The new parameter fields are:

    * `default_factory`
    * `alias_priority`
    * `validation_alias`
    * `serialization_alias`
    * `discriminator`
    * `strict`
    * `multiple_of`
    * `allow_inf_nan`
    * `max_digits`
    * `decimal_places`
    * `json_schema_extra`