@Override
  public void serialize(DataOutputStream stream) throws IOException {
    ReadWriteIOUtils.write(this.value.length, stream);
    for (byte b : value) {
      ReadWriteIOUtils.write(b, stream);
    }
  }
Return the valued as a hex-formatted string with upper-case characters
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/relational/sql/ast/BinaryLiteral.java