# storage

> **Module** in `langchain_classic`

📖 [View in docs](https://reference.langchain.com/python/langchain-classic/storage)

Implementations of key-value stores and storage helpers.

Module provides implementations of various key-value stores that conform
to a simple key-value interface.

The primary goal of these storages is to support implementation of caching.

## Properties

- `DEPRECATED_LOOKUP`

## Methods

- [`create_importer()`](https://reference.langchain.com/python/langchain-classic/storage/create_importer)
- [`create_kv_docstore()`](https://reference.langchain.com/python/langchain-classic/storage/create_kv_docstore)
- [`create_lc_store()`](https://reference.langchain.com/python/langchain-classic/storage/create_lc_store)

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/311675a517f51ec6c77454124293c58df517e952/libs/langchain/langchain_classic/storage/__init__.py)