def METHOD_NAME(self):
    """Describe package options."""
    out = "Package options :\n"
    out += f" - Maximum distance factor : {self.package_options['default_max_distance_factor']:.4f}\n"
    out += f" - Default strategy is \"{self.package_options['default_strategy']['strategy']}\" :\n"
    strategy_class = strategies_class_lookup[self.package_options["default_strategy"]["strategy"]]
    out += f"{strategy_class.STRATEGY_DESCRIPTION}\n"
    out += "   with options :\n"
    for option in strategy_class.STRATEGY_OPTIONS:
        out += f"     - {option} : {self.package_options['default_strategy']['strategy_options'][option]}\n"
    return out