String[] sortFields = { "score", "created", "modified", "title" };
        queryFieldConfig.setSortFields(sortFields);

        // Test valid sort fields
        assertTrue(queryFieldConfig.isSortField("score"));
        assertTrue(queryFieldConfig.isSortField("created"));
        assertTrue(queryFieldConfig.isSortField("modified"));
        assertTrue(queryFieldConfig.isSortField("title"));

      meet the following conditions:

      (a) You must give any other recipients of the Work or
          Derivative Works a copy of this License; and

      (b) You must cause any modified files to carry prominent notices
          stating that You changed the files; and

      (c) You must retain, in the Source form of any Derivative Works
          that You distribute, all copyright, patent, trademark, and

      meet the following conditions:

      (a) You must give any other recipients of the Work or
          Derivative Works a copy of this License; and

      (b) You must cause any modified files to carry prominent notices
          stating that You changed the files; and

      (c) You must retain, in the Source form of any Derivative Works
          that You distribute, all copyright, patent, trademark, and

- `content` - Full text content

**Optional Fields**:
- `mimetype` - MIME type (default: text/html)
- `filetype` - File extension (default: html)
- `created` - Creation timestamp
- `timestamp` - Last modified timestamp
- `boost` - Document boost factor
- `label` - Access control labels
- Custom fields as defined in your configuration

**Response**:
```json
{
  "response": {
    "status": 0,

    /**
     * Constructs a new synonym file.
     *
     * @param id        The unique identifier for this dictionary file.
     * @param path      The path to the dictionary file.
     * @param timestamp The last modified timestamp of the file.
     */
    public SynonymFile(final String id, final String path, final Date timestamp) {
        super(id, path, timestamp);
    }

    @Override
    public String getType() {

     * This ensures backward compatibility.
     */
    @Test
    public void test_isSortField_behaviourIdenticalToArrayLookup() {
        String[] fields = { "score", "created", "modified" };
        queryFieldConfig.setSortFields(fields);

        // Test positive cases
        for (String field : fields) {

    /** The key of the message: by Last Modified (asc) */
    public static final String LABELS_search_result_sort_last_modified_asc = "{labels.search_result_sort_last_modified_asc}";

    /** The key of the message: by Last Modified (desc) */
    public static final String LABELS_search_result_sort_last_modified_desc = "{labels.search_result_sort_last_modified_desc}";

h),v.data&&(v.processData||"string"==typeof v.data)&&(f+=(At.test(f)?"&":"?")+v.data,delete v.data),!1===v.cache&&(f=f.replace(It,"$1"),o=(At.test(f)?"&":"?")+"_="+jt.guid+++o),v.url=f+o),v.ifModified&&(ce.lastModified[f]&&T.setRequestHeader("If-Modified-Since",ce.lastModified[f]),ce.etag[f]&&T.setRequestHeader("If-None-Match",ce.etag[f])),(v.data&&v.hasContent&&!1!==v.contentType||t.contentType)&&T.setRequestHeader("Content-Type",v.contentType),T.setRequestHeader("Accept",v.dataTypes[0]&&v.acce...

onseHeaders","setRequestHeader","overrideMimeType","mimeType","status","abort","statusText","finalText","crossDomain","host","hasContent","ifModified","headers","beforeSend","success","send","nativeStatusText","responses","isSuccess","response","modified","ct","finalDataType","firstDataType","ajaxHandleResponses","conv2","current","conv","dataFilter","throws","ajaxConvert","getJSON","getScript","text script","wrapAll","firstElementChild","wrapInner","htmlIsFunction","unwrap","visible","xhr","XML...

h),v.data&&(v.processData||"string"==typeof v.data)&&(f+=(At.test(f)?"&":"?")+v.data,delete v.data),!1===v.cache&&(f=f.replace(It,"$1"),o=(At.test(f)?"&":"?")+"_="+jt.guid+++o),v.url=f+o),v.ifModified&&(ce.lastModified[f]&&T.setRequestHeader("If-Modified-Since",ce.lastModified[f]),ce.etag[f]&&T.setRequestHeader("If-None-Match",ce.etag[f])),(v.data&&v.hasContent&&!1!==v.contentType||t.contentType)&&T.setRequestHeader("Content-Type",v.contentType),T.setRequestHeader("Accept",v.dataTypes[0]&&v.acce...