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