var mapper = new CsvMapper();
var schema = CsvSchema.builder()
  .setUseHeader(true).setReorderColumns(true)
  .with(CsvReadFeature.FAIL_ON_MISSING_HEADER_COLUMNS) //enabled by default
  .addColumn("name").addColumn("age")
  .build();

MappingIterator<Map<String, Object>> it = mapper
  .readerFor(Map.class)
  .with(schema)
  .readValues("""
    name,agee
    Roger,18""");
it.nextValue();