  void dumpState(std::ostream& os, int indent_level = 0) const override {
    const char* spaces = spacesForLevel(indent_level);
    os << spaces << "UpstreamInfoImpl " << this << DUMP_OPTIONAL_MEMBER(upstream_connection_id_)
       << "\n";
  }
  void dumpState(std::ostream& os, int indent_level = 0) const override {
    const char* spaces = spacesForLevel(indent_level);
    os << spaces << "UpstreamInfoImpl " << this << DUMP_OPTIONAL_MEMBER(upstream_connection_id_)
       << "\n";
  }