code: public void printBody(final OutputStream output) throws IOException {
          final InputStream input = new RqChunk(new RqLengthAware(this)).body();
          //@checkstyle MagicNumberCheck (1 line)
          final byte[] buf = new byte[4096];
          while (true) {
              final int bytes = input.read(buf);
              if (bytes < 0) {
                  break;
              }
              output.write(buf, 0, bytes);
          }
      }
docs: Print body.
  @param output Output stream to print to
  @throws IOException If fails