caopengan

Segment overlap for chinese have no effect

3

**About Chinese word segmentation.** All of document splitters extends HierarchicalDocumentSplitter class, When I set the overlap parameter,overlapFrom() is called, But there will force method invocation DocumentBySentenceSplitter () to semantic word...

[FEATURE] MessageWindowChatMemory Whether to add an expiration time parameter

2

**InMemoryChatMemoryStore ConcurrentHashMap is currently used to store messages, but there are scenarios where expiration time parameters may be used** **Consider using a guava cache implementation**