code: def flush(self):
          
          if self._requests_middleware:
              self._requests_middleware.flush()
  
          if self._trace_log_handler:
              self._trace_log_handler.flush()
  
          if self._exception_telemetry_client:
              self._exception_telemetry_client.flush()
docs: Flushes the queued up telemetry to the service.