@Override
    public TypeInformation<Row> getProducedType() {
        return InLongMsgUtils.MIXED_ROW_TYPE;
    }
Quote character. Null if quoting is disabled.
inlong-sort/sort-formats/format-row/format-inlongmsg-tlogcsv/src/main/java/org/apache/inlong/sort/formats/inlongmsgtlogcsv/InLongMsgTlogCsvMixedFormatDeserializer.java