chat_history

Chat message history stores a history of the message interactions in a chat.

Class hierarchy:

BaseChatMessageHistory --> <name>ChatMessageHistory  # Examples: FileChatMessageHistory, PostgresChatMessageHistory

Main helpers:

AIMessage, HumanMessage, BaseMessage

Classes

chat_history.BaseChatMessageHistory()	Abstract base class for storing chat message history.
chat_history.InMemoryChatMessageHistory	In memory implementation of chat message history.