void ConnectionManagerImpl::ActiveStream::encodeMetadata(MetadataMapVector& metadata) {
  ENVOY_STREAM_LOG(debug, "encoding metadata via codec:\n{}", *this, metadata);
  response_encoder_->encodeMetadata(metadata);
}
void ConnectionManagerImpl::ActiveStream::encodeMetadata(MetadataMapVector& metadata) {
  ENVOY_STREAM_LOG(debug, "encoding metadata via codec:\n{}", *this, metadata);
  response_encoder_->encodeMetadata(metadata);
}