# File lib/new_relic/agent/instrumentation/curb.rb, line 95
      def add_with_newrelic(curl) #THREAD_LOCAL_ACCESS
        if curl.respond_to?(:_nr_serial) && curl._nr_serial
          hook_pending_request(curl) if NewRelic::Agent.tl_is_execution_traced?
        end

        return add_without_newrelic( curl )
      end