Module●Since v1.0

chat_history

import { ... } from "@langchain/core/chat_history";

Classes

class

BaseChatMessageHistory

Base class for all chat message histories. All chat message histories should extend this class.

class

BaseListChatMessageHistory

Base class for all list chat message histories. All list chat message histories should extend this class.

class

InMemoryChatMessageHistory

Class for storing chat message history in-memory. It extends the BaseListChatMessageHistory class and provides methods to get, add, and clear messages.

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chat_history

Classes

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chat_history

Classes