Callbacks

LangChain callback handler that emits OpenTelemetry GenAI spans.

OpenTelemetry instrumentor implementation for LangChain auto-tracing.

Enable auto-injection of Azure tracer into callback managers.

When called, every new BaseCallbackManager instance and every callback manager created through LangGraph's helper factories will auto

Disable callback manager auto-tracing and restore original behavior.

Return whether auto-tracing monkey patch is currently enabled.