# File lib/fog/rackspace/models/networking_v2/security_group_rule.rb, line 18
        def save
          data = unless self.id.nil?
            service.update_security_group_rule(self)
          else
            service.create_security_group_rule(self)
          end

          merge_attributes(data.body['security_group_rule'])
          true
        end