@classmethod
def reset_defaults(cls, deco_classname):
    """Revert to initial defaults as per documentation & static declarations in code
        """
    orig_defaults = cls._classname2SettingsDataOrigDefaults_dict[deco_classname
        ]
    settings_map = cls._classname2SettingsData_dict[deco_classname]
    for name in settings_map:
        settings_map[name].default = orig_defaults[name]
