def METHOD_NAME(self):
    if self._js_result is None:
        builder = JsModelBuilder(log_path=self._settings.log,
                                 split_log=self._settings.split_log,
                                 expand_keywords=self._settings.expand_keywords,
                                 prune_input_to_save_memory=self._prune)
        self._js_result = builder.build_from(self.result)
        if self._prune:
            self._result = None
    return self._js_result