A hook to override the flattened list of all options used to generate
        option names and defaults.

def get_options(self):
        """
        A hook to override the flattened list of all options used to generate
        option names and defaults.
        
        """
        return reduce(
            list.__add__,
            [list(option_list) for option_list in self.get_option_lists()],
            [])