@Override
    public TypeInformation<Row> getProducedType() {
        return InLongMsgUtils.decorateRowTypeWithNeededHeadFields(timeFieldName, attributesFieldName, rowFormatInfo);
    }
True if the predefinedField existed, default true.
inlong-sort/sort-formats/format-row/format-inlongmsg-kv/src/main/java/org/apache/inlong/sort/formats/inlongmsgkv/InLongMsgKvFormatDeserializer.java