# File lib/new_relic/agent/instrumentation/rake.rb, line 156
        def self.ensure_at_exit
          return if @installed_at_exit

          at_exit do
            # The agent's default at_exit might not default to installing, but
            # if we are running an instrumented rake task, we always want it.
            NewRelic::Agent.shutdown
          end

          @installed_at_exit = true
        end