def METHOD_NAME(self):
    """
    Validate the ConfigObj using Validator.
    Note that `validate()` returns `True` if the ConfigObj is correct and a dictionary with `True` and `False`
    values for keys who's validation failed if at least one key was found to be incorrect.
    """
    validator = Validator()
    validation_result = self.config.METHOD_NAME(validator)
    if validation_result is not True:
        raise InvalidConfigException(f"DownloadConfig is invalid: {str(validation_result)}")