# v_args

> **Function** in `langchain_classic`

📖 [View in docs](https://reference.langchain.com/python/langchain-classic/chains/query_constructor/parser/v_args)

Dummy decorator for when lark is not installed.

## Signature

```python
v_args(
    *_: Any = (),
    **__: Any = {},
) -> Any
```

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/185119f98e6286253a2326d7cf4f59592678023d/libs/langchain/langchain_classic/chains/query_constructor/parser.py#L16)