void ConnectionManagerImpl::ActiveStream::onDecoderFilterBelowWriteBufferLowWatermark() {
  ENVOY_STREAM_LOG(debug, "Read-enabling downstream stream due to filter callbacks.", *this);
  // If the state is destroyed, the codec's stream is already torn down. On
  // teardown the codec will unwind any remaining read disable calls.
  if (!filter_manager_.destroyed()) {
    response_encoder_->getStream().readDisable(false);
  }
  connection_manager_.stats_.named_.downstream_flow_control_resumed_reading_total_.inc();
}
void ConnectionManagerImpl::ActiveStream::onDecoderFilterBelowWriteBufferLowWatermark() {
  ENVOY_STREAM_LOG(debug, "Read-enabling downstream stream due to filter callbacks.", *this);
   
   
  if (!filter_manager_.destroyed()) {
    response_encoder_->getStream().readDisable(false);
  }
  connection_manager_.stats_.named_.downstream_flow_control_resumed_reading_total_.inc();
}