example: [name]
        - name: facet.field
          in: query
          description: Facet field name
          required: false
          style: form
          explode: true
          schema:
            type: array
            items:
              type: string
            example: [label]
        - name: facet.query
          in: query
          description: Facet query
          required: false

query.prefix.slop=0
query.fuzzy.prefix_length=0
query.fuzzy.expansions=50
query.fuzzy.transpositions=true

# facet
query.facet.fields=label
query.facet.fields.size=100
query.facet.fields.min_doc_count=1
query.facet.fields.sort=count.desc
query.facet.fields.missing=
query.facet.queries=\
labels.facet_timestamp_title:\
labels.facet_timestamp_1day=timestamp:[now/d-1d TO *]\t\

            requestedTime = data.getRequestedTime();
            final FacetResponse facetResponse = data.getFacetResponse();
            if (facetResponse != null && facetResponse.hasFacetResponse()) {
                // facet field
                if (facetResponse.getFieldList() != null) {
                    facetField = facetResponse.getFieldList().stream().map(field -> {

            split(values[1], "\t").of(subStream -> subStream.map(String::trim).filter(StringUtil::isNotEmpty).forEach(v -> {
                final String[] facet = StringUtils.split(v, "=", 2);
                if (facet.length == 2) {
                    facetQueryView.addQuery(facet[0], facet[1]);
                }
            }));
            facetQueryView.init();
            facetQueryViewList.add(facetQueryView);

    <example>
      ${fe:pagingQuery("ex_q=timestamp:")}
    </example>
  </function>

  <function>
    <description>
      Returns query parameters for Facet.
    </description>
    <name>facetQuery</name>
    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>
    <function-signature>java.lang.String facetQuery()</function-signature>
    <example>

                            }
                        }
                    }
                }

                builder.addDocument(docMap);
            }

            // facet
            final Aggregations aggregations = searchResponse.getAggregations();
            if (aggregations != null) {
                builder.facetResponse(new FacetResponse(aggregations));
            }

public class FessFunctions {
    private static final Logger logger = LogManager.getLogger(FessFunctions.class);

    private static final String GEO_PREFIX = "geo.";

    private static final String FACET_PREFIX = "facet.";

    private static final String PDF_DATE = "pdf_date";

    private static final Pattern EMAIL_ADDRESS_PATTERN =
            Pattern.compile("[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,6}", Pattern.CASE_INSENSITIVE);

labels.urlExpr=Condition
labels.boostExpr=Boost Expr
labels.confirmPassword=Confirm
labels.crawler=Crawler
labels.crudMode=mode
labels.errorCountMax=Max Error Count
labels.errorCountMin=Min Error Count
labels.facet=Facet
labels.geo=Geo
labels.groups=Groups
labels.hash=Hash
labels.kuromojiFile=Kuromoji File
labels.maxSize=Max Size
labels.order=Order
labels.purgeSuggestSearchLogDay=Purge Suggest Documents Before

labels.boostExpr=Boost-Ausdruck
labels.confirmPassword=Neues Passwort (bestätigen)
labels.crawler=Crawler
labels.crudMode=Modus
labels.errorCountMax=Max. Fehleranzahl
labels.errorCountMin=Min. Fehleranzahl
labels.facet=Facet
labels.geo=Geo
labels.groups=Gruppen
labels.hash=Prüfsumme
labels.kuromojiFile=Kuromoji-Datei
labels.maxSize=Max. Größe
labels.order=Reihenfolge

labels.urlExpr=Condition
labels.boostExpr=Boost Expr
labels.confirmPassword=Confirm
labels.crawler=Crawler
labels.crudMode=mode
labels.errorCountMax=Max Error Count
labels.errorCountMin=Min Error Count
labels.facet=Facet
labels.geo=Geo
labels.groups=Groups
labels.hash=Hash
labels.kuromojiFile=Kuromoji File
labels.maxSize=Max Size
labels.order=Order
labels.purgeSuggestSearchLogDay=Purge Suggest Documents Before