# File lib/fog/aws/requests/elb/deregister_instances_from_load_balancer.rb, line 22
        def deregister_instances_from_load_balancer(instance_ids, lb_name)
          params = Fog::AWS.indexed_param('Instances.member.%d.InstanceId', [*instance_ids])
          request({
            'Action'           => 'DeregisterInstancesFromLoadBalancer',
            'LoadBalancerName' => lb_name,
            :parser            => Fog::Parsers::AWS::ELB::DeregisterInstancesFromLoadBalancer.new
          }.merge!(params))
        end