# SerializedNotImplemented

> **Class** in `langchain_core`

📖 [View in docs](https://reference.langchain.com/python/langchain-core/load/serializable/SerializedNotImplemented)

Serialized not implemented.

## Signature

```python
SerializedNotImplemented()
```

## Extends

- `BaseSerialized`

## Properties

- `type`
- `repr`

---

[View source on GitHub](https://github.com/langchain-ai/langchain/blob/6fb37dba71da807af60aa7b909f71f0625a666bf/libs/core/langchain_core/load/serializable.py#L49)