String fieldPath;
String descend;
Integer prefixLength;
String filter;
public DatasetFieldIndexRecord() {
<BUG>}
@Override
public String toString() {
try {
return new ObjectMapper().writeValueAsString(this);
} catch (JsonProcessingException ex) {
return null;
}</BUG>
}

String fieldPath;
String descend;
Integer prefixLength;
String filter;
public DatasetFieldIndexRecord() {
}
