docs: public StreamSourceChannel getRequestChannel() {
          if (requestChannel != null) {
              if(anyAreSet(state, FLAG_REQUEST_RESET)) {
                  state &= ~FLAG_REQUEST_RESET;
                  return requestChannel;
              }
              return null;
          }
          if (anyAreSet(state, FLAG_REQUEST_TERMINATED)) {
              return requestChannel = new ReadDispatchChannel(new ConduitStreamSourceChannel(Configurable.EMPTY, new EmptyStreamSourceConduit(getIoThread())));
          }
          final ConduitWrapper<StreamSourceConduit>[] wrappers = this.requestWrappers;
          final ConduitStreamSourceChannel sourceChannel = connection.getSourceChannel();
          if (wrappers != null) {
              this.requestWrappers = null;
              final WrapperConduitFactory<StreamSourceConduit> factory = new WrapperConduitFactory<>(wrappers, requestWrapperCount, sourceChannel.getConduit(), this);
              sourceChannel.setConduit(factory.create());
          }
          return requestChannel = new ReadDispatchChannel(sourceChannel);
      }