errors: List[Dict[str, Any]] = []
    if required_params:
        field = required_params[0]
        field_info = field.field_info
        embed = getattr(field_info, "embed", None)
        field_alias_omitted = len(required_params) == 1 and not embed
        if field_alias_omitted:
            received_body = {field.alias: received_body}

        for field in required_params:
            loc: Tuple[str, ...]

    def __init__(self, errors: Sequence[Any], *, body: Any = None) -> None:
        super().__init__(errors)
        self.body = body

    def __str__(self) -> str:
        message = f"{len(self._errors)} validation errors:\n"
        for err in self._errors:
            message += f"  {err}\n"

    from fastapi import FastAPI, File, UploadFile

    app = FastAPI()


    @app.post("/files/")
    async def create_file(file: Annotated[bytes, File()]):
        return {"file_size": len(file)}


    @app.post("/uploadfile/")
    async def create_upload_file(file: UploadFile):
        return {"filename": file.filename}
    ```
    """

    file: Annotated[
        BinaryIO,

    with warnings.catch_warnings(record=True) as w:
        warnings.simplefilter("always")
        client.get("/openapi.json")
        assert len(w) >= 2
        duplicate_warnings = [
            warning for warning in w if issubclass(warning.category, UserWarning)
        ]
        assert len(duplicate_warnings) > 0