def METHOD_NAME(
    self, *, parameters: JSONMapping | None = UNSET, form_key=UNSET
) -> EmptyForm:
    if not (parameters is UNSET or parameters is None or len(parameters) == 0):
        raise TypeError(f"{type(self).__name__} cannot contain parameters")
    return EmptyForm(
        form_key=self._form_key if form_key is UNSET else form_key,
    )