grpc c++ client How to update the server address

[毕凯强]

example:

grpc::ChannelArguments args;

  args.SetLoadBalancingPolicyName("round_robin");

  auto channel =

      grpc::CreateCustomChannel("ipv4:///127.0.0.1:50051,127.0.0.1:50052",

                                grpc::InsecureChannelCredentials(), args);

So how to add a new server address during use。for example：127.0.0.1:50051

How to register a balancer like golang. How You can control PickResult during use and register your own load balancing algorithm

for example：https://github.com/go-kratos/kratos/blob/main/transport/grpc/balancer.go

Are there any c++ examples?