# File lib/fog/rackspace/models/load_balancers/load_balancer.rb, line 55
        def nodes
          if @nodes.nil?
            @nodes = Fog::Rackspace::LoadBalancers::Nodes.new({
                :service => service,
                :load_balancer => self})

            # prevents loading nodes from non-existent load balancers
            @nodes.clear unless persisted?
          end
          @nodes
        end