@Override
    public String toString() {
        return "MapFormatInfo{" + "keyFormatInfo=" + keyFormatInfo + ", valueFormatInfo=" + valueFormatInfo + '}';
    }
The format information for values in the map.
inlong-common/src/main/java/org/apache/inlong/common/pojo/sort/dataflow/field/format/MapFormatInfo.java