} else {
            resp = negotitate(inputBuf, offset, len);
        }

        if (resp == null) {
            return null;
        }
        return resp.toByteArray();
    }

    private SpnegoToken negotitate(final byte[] inputBuf, final int offset, final int len) throws CIFSException {
        final SpnegoToken spToken = getToken(inputBuf, offset, len);
        byte[] inputToken = null;

	if !p.more() {
		return EOF
	}
	tok := p.input[p.inputPos]
	p.inputPos++
	return tok
}

func (p *Parser) back() {
	if p.inputPos == 0 {
		p.errorf("internal error: backing up before BOL")
	} else {
		p.inputPos--
	}
}

func (p *Parser) peek() lex.ScanToken {
	if p.more() {
		return p.input[p.inputPos].ScanToken
	}
	return scanner.EOF
}

        final List<String> docIdList = new ArrayList<>();
        for (final Map<String, Object> inputDoc : docList) {
            final Object idValue = inputDoc.get(fessConfig.getIndexFieldId());
            if (idValue == null) {
                continue;
            }

            final Object configIdValue = inputDoc.get(fessConfig.getIndexFieldConfigId());
            if (configIdValue == null) {
                continue;

  }

  const tensorflow::string input_op_name(
      tensorflow::ParseTensorName(input_name).first);
  TF_Operation* input_op =
      TF_GraphOperationByName(graph, input_op_name.c_str());
  ASSERT_TRUE(input_op != nullptr);
  absl::Status status;
  csession.SetInputs({{input_op, TF_TensorFromTensor(input, &status)}});
  ASSERT_TRUE(status.ok()) << status.message();

  const tensorflow::string output_op_name(