Context management for tracers.
Instruct LangChain to log all runs in context to LangSmith.
Collect all run traces in context.
Register a configure hook.
Implementation of the SharedTracer that POSTS to the LangChain endpoint.
Tracer that collects all nested runs in a list.
This tracer is useful for inspection and evaluation purposes.
Base callback handler.
Async callback manager that handles callbacks from LangChain.
Callback manager for LangChain.
