def METHOD_NAME(*args) -> Tuple:
    converted: List[Optional[np.ndarray]] = []
    for d in args:
        if d is None or len(d) == 0:
            converted.append(None)
        elif isinstance(d, pd.Series):
            converted.append(d.to_numpy(dtype='object'))
        elif isinstance(d, np.ndarray):
            converted.append(d)
        else:
            raise InvalidArgumentsException(f"could not convert type '{type(d)}' to 'np.ndarray'")
    return tuple(converted)