"hitCountRelation", null, false, false, false, "keyword", 0, 0, null, null, false, null, null, null, null, null, false);
    protected final ColumnInfo _columnLanguages = cci("languages", "languages", null, null, String.class, "languages", null, false, false,
            false, "keyword", 0, 0, null, null, false, null, null, null, null, null, false);

### SuggestItem (Domain Entity)
Location: `src/main/java/org/codelibs/fess/suggest/entity/SuggestItem.java`

Core attributes: `text`, `timestamp`, `queryFreq`, `docFreq`, `userBoost`, `readings`, `tags`, `roles`, `languages`, `kinds`

Kind types: `DOCUMENT`, `QUERY`, `USER`

---

## Development Workflow

### Build Commands

```bash
mvn compile                              # Compile

        return config.searchFieldSet != null && config.searchFieldSet.contains(field);
    }

    /**
     * Gets the query languages from the current request.
     * @return An optional containing the query languages array, or empty if not available.
     */
    protected OptionalThing<String[]> getQueryLanguages() {
        return LaRequestUtil.getOptionalRequest()

    /**
     * Returns the conditions.
     *
     * @return The conditions.
     */
    public abstract Map<String, String[]> getConditions();

    /**
     * Returns the languages.
     *
     * @return The languages.
     */
    public abstract String[] getLanguages();

    /**
     * Returns the geo info.
     *
     * @return The geo info.
     */
    public abstract GeoInfo getGeoInfo();

    }

    public void setLanguages_Equal(String languages) {
        setLanguages_Term(languages, null);
    }

    public void setLanguages_Equal(String languages, ConditionOptionCall<TermQueryBuilder> opLambda) {
        setLanguages_Term(languages, opLambda);
    }

    public void setLanguages_Term(String languages) {
        setLanguages_Term(languages, null);
    }

    /** The page number. */
    @ValidateTypeFailure
    public Integer pn;

    /** The number of results to display. */
    @ValidateTypeFailure
    public Integer num;

    /** The languages. */
    public String[] lang;

    /** The fields. */
    public Map<String, String[]> fields = new HashMap<>();

    /** The conditions. */
    public Map<String, String[]> as = new HashMap<>();

        }

        public void columnHitCountRelation() {
            doColumn("hitCountRelation");
        }

        public void columnLanguages() {
            doColumn("languages");
        }

        public void columnQueryId() {
            doColumn("queryId");
        }

        public void columnQueryOffset() {
            doColumn("queryOffset");
        }

# Sorts for inner hits in collapse queries.
query.collapse.inner.hits.sorts=
# Default languages for queries.
query.default.languages=
# Default preference for JSON queries.
query.json.default.preference=_query
# Default preference for GSA queries.
query.gsa.default.preference=_query
# Language mapping for queries.
query.language.mapping=\
ar=ar\n\
bg=bg\n\
bn=bn\n\
ca=ca\n\
ckb-iq=ckb-iq\n\
ckb_IQ=ckb-iq\n\

            result.setHitCount(DfTypeUtil.toLong(source.get("hitCount")));
            result.setHitCountRelation(DfTypeUtil.toString(source.get("hitCountRelation")));
            result.setLanguages(DfTypeUtil.toString(source.get("languages")));
            result.setQueryId(DfTypeUtil.toString(source.get("queryId")));
            result.setQueryOffset(DfTypeUtil.toInteger(source.get("queryOffset")));

            } else {
                searchLog.setAccessType(Constants.SEARCH_LOG_ACCESS_TYPE_WEB);
            }
            final Object languages = req.getAttribute(Constants.REQUEST_LANGUAGES);
            if (languages != null) {
                searchLog.setLanguages(StringUtils.join((String[]) languages, ","));
            } else {
                searchLog.setLanguages(StringUtil.EMPTY);
            }