docs: @Override
      public boolean isTrailersReady() {
          if (!message.isChunkedEncodingSet()
              || !message.containsHeader(HttpHeaderKeys.HDR_TRAILER)
              || ((HttpBaseMessageImpl) message).getTrailersImpl() != null
              || (message.getVersionValue().getMajor() <= 1 && message.getVersionValue().getMinor() < 1))
              return true;
          return false;
      }