#include "envoy/api/v2/cds.pb.h"
#include "envoy/api/v2/route/route.pb.h"
#include "envoy/type/matcher/string.pb.h"

void test() {
  envoy::api::v2::route::VirtualHost vhost;
  vhost.per_filter_config();
  vhost.mutable_per_filter_config();
  static_cast<void>(envoy::type::matcher::StringMatcher::kRegex);
  static_cast<void>(envoy::api::v2::Cluster::ORIGINAL_DST_LB);
}