deprecated: Union[deprecated, str, bool, None] = None,
        include_in_schema: bool = True,
        json_schema_extra: Union[Dict[str, Any], None] = None,
        **extra: Any,
    ):
        self.embed = embed
        self.media_type = media_type
        if example is not _Unset:
            warnings.warn(
                "`example` has been deprecated, please use `examples` instead",

            The parameter is available only for compatibility.
            """
        ),
    ] = _Unset,
    embed: Annotated[
        bool,
        Doc(
            """
            When `embed` is `True`, the parameter will be expected in a JSON body as a
            key instead of being the JSON body itself.

    field_info = first_param.field_info
    embed = getattr(field_info, "embed", None)
    body_param_names_set = {param.name for param in flat_dependant.body_params}
    if len(body_param_names_set) == 1 and not embed:
        check_file_field(first_param)
        return first_param
    # If one field requires to embed, all have to be embedded