bool health_check_failed) {

  switch (state) {

  case Init::Manager::State::Uninitialized:

    return envoy::admin::v3::ServerInfo::PRE_INITIALIZING;

  case Init::Manager::State::Initializing:

    return envoy::admin::v3::ServerInfo::INITIALIZING;

  case Init::Manager::State::Initialized:

    return health_check_failed ? envoy::admin::v3::ServerInfo::DRAINING

                               : envoy::admin::v3::ServerInfo::LIVE;

  }

  IS_ENVOY_BUG("unexpected server state enum");

  return envoy::admin::v3::ServerInfo::PRE_INITIALIZING;

}

    const envoy::config::bootstrap::v3::Bootstrap::ApplicationLogConfig& application_log_config) {

  if (options.logFormatSet() && application_log_config.has_log_format()) {

    return absl::InvalidArgumentError(

        "Only one of ApplicationLogConfig.log_format or CLI option --log-format can be specified.");

  }

  return absl::OkStatus();

}

    const envoy::config::bootstrap::v3::Bootstrap::ApplicationLogConfig& application_log_config) {

  if (!application_log_config.has_log_format()) {

    return absl::OkStatus();

  }

  if (application_log_config.log_format().has_text_format()) {

    Logger::Registry::setLogFormat(application_log_config.log_format().text_format());

  } else if (application_log_config.log_format().has_json_format()) {

    const auto status =

        Logger::Registry::setJsonLogFormat(application_log_config.log_format().json_format());

    if (!status.ok()) {

      return absl::InvalidArgumentError(

          fmt::format("setJsonLogFormat error: {}", status.ToString()));

    }

  }

  return absl::OkStatus();

}