  void setupHCWithUnhealthyThreshold(int value) {
    auto config = createGrpcHealthCheckConfig();
    config.mutable_unhealthy_threshold()->set_value(value);
    allocHealthChecker(config);
    addCompletionCallback();
  }
  void setupHCWithUnhealthyThreshold(int value) {
    auto config = createGrpcHealthCheckConfig();
    config.mutable_unhealthy_threshold()->set_value(value);
    allocHealthChecker(config);
    addCompletionCallback();
  }