def METHOD_NAME(self, serialized: str, filename: str):
    parser = configparser.ConfigParser(interpolation = None)
    parser.read_string(serialized)
    if "camera_perspective_mode" in parser["general"] and parser["general"]["camera_perspective_mode"] == "orthogonal":
        parser["general"]["camera_perspective_mode"] = "orthographic"
    # Fix renamed settings for visibility
    if "visible_settings" in parser["general"]:
        all_setting_keys = parser["general"]["visible_settings"].strip().split(";")
        if all_setting_keys:
            for idx, key in enumerate(all_setting_keys):
                if key in _renamed_settings:
                    all_setting_keys[idx] = _renamed_settings[key]
            parser["general"]["visible_settings"] = ";".join(all_setting_keys)
    parser["metadata"]["setting_version"] = "9"
    result = io.StringIO()
    parser.write(result)
    return [filename], [result.getvalue()]