def deserialize(
        self,
        x: str | dict | list,
        save_dir: str | Path | None = None,
        root_url: str | None = None,
        hf_token: str | None = None,
    ) -> str | None:
        """
        Convert from serialized representation (json string) to a human-friendly
        version (string path to json file).  Optionally, save the file to the directory specified by `save_dir`
        Parameters:
            x: Json string
            save_dir: Path to save the deserialized json file to
            root_url: Ignored
            hf_token: Ignored
        """
        if x is None:
            return None
        return utils.dict_or_str_to_json_file(x, dir=save_dir).name

        Convert from serialized representation (json string) to a human-friendly
        version (string path to json file).  Optionally, save the file to the directory specified by `save_dir`
        Parameters:
            x: Json string
            save_dir: Path to save the deserialized json file to
            root_url: Ignored
            hf_token: Ignored
        
client/python/gradio_client/serializing.py