def METHOD_NAME(config: dict) -> dict:
    def _process(obj: Any) -> Any:
        if isinstance(obj, dict):
            new_obj = {}
            for k, v in obj.items():
                if isinstance(k, str) and k.startswith(WRITE_TO_FILE_DIRECTIVE_PREFIX):
                    # This writes the value to a temporary file and replaces the value with the path to the file.
                    config_option = k[len(WRITE_TO_FILE_DIRECTIVE_PREFIX) :]
                    with tempfile.NamedTemporaryFile("w", delete=False) as f:
                        filepath = f.name
                        f.write(v)
                    new_obj[config_option] = filepath
                else:
                    new_obj[k] = _process(v)
            return new_obj
        else:
            return obj
    return _process(config)