docs: String getDefaultReturnFields() {
  
          StringBuffer fields = new StringBuffer("");
          fields.append(CmsSearchField.FIELD_PATH);
          fields.append(',');
          fields.append(CmsSearchField.FIELD_INSTANCEDATE).append('_').append(getSearchLocale().toString()).append("_dt");
          fields.append(',');
          fields.append(CmsSearchField.FIELD_INSTANCEDATE_END).append('_').append(getSearchLocale().toString()).append(
              "_dt");
          fields.append(',');
          fields.append(CmsSearchField.FIELD_INSTANCEDATE_CURRENT_TILL).append('_').append(
              getSearchLocale().toString()).append("_dt");
          fields.append(',');
          fields.append(CmsSearchField.FIELD_ID);
          fields.append(',');
          fields.append(CmsSearchField.FIELD_SOLR_ID);
          fields.append(',');
          fields.append(CmsSearchField.FIELD_DISPTITLE).append('_').append(getSearchLocale().toString()).append("_sort");
          fields.append(',');
          fields.append(CmsSearchField.FIELD_LINK);
          return fields.toString();
      }