# File lib/fog/aws/requests/elb/set_load_balancer_policies_of_listener.rb, line 25
        def set_load_balancer_policies_of_listener(lb_name, load_balancer_port, policy_names)
          params = {'LoadBalancerPort' => load_balancer_port}
          if policy_names.any?
            params.merge!(Fog::AWS.indexed_param('PolicyNames.member', policy_names))
          else
            params['PolicyNames'] = ''
          end

          request({
            'Action'           => 'SetLoadBalancerPoliciesOfListener',
            'LoadBalancerName' => lb_name,
            :parser            => Fog::Parsers::AWS::ELB::Empty.new
          }.merge!(params))
        end