FilterStats FilterConfig::generateStats(const std::string& prefix, Stats::Scope& scope) {
  return {ALL_OAUTH_FILTER_STATS(POOL_COUNTER_PREFIX(scope, prefix))};
}
FilterStats FilterConfig::generateStats(const std::string& prefix, Stats::Scope& scope) {
  return {ALL_OAUTH_FILTER_STATS(POOL_COUNTER_PREFIX(scope, prefix))};
}