# File lib/aws/auto_scaling/instance.rb, line 160
      def terminate decrement_desired_capacity

        client_opts = {}
        client_opts[:instance_id] = instance_id
        client_opts[:should_decrement_desired_capacity] =
          decrement_desired_capacity

        resp = client.terminate_instance_in_auto_scaling_group(client_opts)

        Activity.new_from(
          :terminate_instance_in_auto_scaling_group,
          resp.activity,
          resp.activity.activity_id,
          :config => config)

      end