void ActiveStreamDecoderFilter::drainSavedRequestMetadata() {
  ASSERT(saved_request_metadata_ != nullptr);
  for (auto& metadata_map : *getSavedRequestMetadata()) {
    parent_.decodeMetadata(this, *metadata_map);
  }
  getSavedRequestMetadata()->clear();
}
void ActiveStreamDecoderFilter::drainSavedRequestMetadata() {
  ASSERT(saved_request_metadata_ != nullptr);
  for (auto& metadata_map : *getSavedRequestMetadata()) {
    parent_.decodeMetadata(this, *metadata_map);
  }
  getSavedRequestMetadata()->clear();
}