def save_openapi_spec(self, output_path: str) -> None:
    """Save the OpenAPI specification to a file.

    Args:
        output_path: Path where the OpenAPI spec should be saved
    """
    with open(output_path, "w", encoding="utf-8") as f:
      json.dump(self._openapi_spec, f, indent=2)
    logger.info("OpenAPI specification saved to %s", output_path)
Save the OpenAPI specification to a file.

    Args:
        output_path: Path where the OpenAPI spec should be saved
    
src/google/adk/tools/google_api_tool/googleapi_to_openapi_converter.py