google.golang.org/grpc/balancer/grpclb/grpc_lb_v1.LoadBalanceRequest.XXX_NoUnkeyedLiteral (field)

one use

	google.golang.org/grpc/balancer/grpclb/grpc_lb_v1 (current package)
		load_balancer.pb.go#L34: 	XXX_NoUnkeyedLiteral   struct{}                                    `json:"-"`