Gets the TracerProvider for Langfuse tracing operations.
Returns the isolated TracerProvider if one has been set via setLangfuseTracerProvider(),
otherwise falls back to the global OpenTelemetry TracerProvider.
Returns TracerProvider
The TracerProvider instance to use for Langfuse tracing
Gets the TracerProvider for Langfuse tracing operations.
Returns the isolated TracerProvider if one has been set via setLangfuseTracerProvider(), otherwise falls back to the global OpenTelemetry TracerProvider.