  void addStreamEncoderFilter(StreamEncoderFilterSharedPtr filter) override {
    addStreamEncoderFilterWorker(filter, nullptr, false);
    filters_.push_back(filter.get());
  }
  void addStreamEncoderFilter(StreamEncoderFilterSharedPtr filter) override {
    addStreamEncoderFilterWorker(filter, nullptr, false);
    filters_.push_back(filter.get());
  }