@Override
    public int hashCode() {
        return Objects.hash(super.hashCode(), failOnMissingField, resultTypeInfo, timestampFormat);
    }
Timestamp format specification which is used to parse timestamp.
inlong-sort/sort-formats/format-rowdata/format-rowdata-json/src/main/java/org/apache/inlong/sort/formats/json/JsonRowDataDeserializationSchema.java