  void setupServiceNameValidationHC(const std::string& prefix) {
    std::string yaml = fmt::format(R"EOF(
    timeout: 1s
    interval: 1s
    interval_jitter: 1s
    unhealthy_threshold: 2
    healthy_threshold: 2
    http_health_check:
      service_name_matcher:
        prefix: {0}
      path: /healthcheck
    )EOF",
                                   prefix);

    allocHealthChecker(yaml);
    addCompletionCallback();
  }
  void setupServiceNameValidationHC(const std::string& prefix) {
    std::string yaml = fmt::format(R"EOF(
    timeout: 1s
    interval: 1s
    interval_jitter: 1s
    unhealthy_threshold: 2
    healthy_threshold: 2
    http_health_check:
      service_name_matcher:
        prefix: {0}
      path: /healthcheck
    )EOF",
                                   prefix);

    allocHealthChecker(yaml);
    addCompletionCallback();
  }