return OptionalEntity.of(entity);
        case CrudMode.EDIT:
            final String docId;
            if (form.doc != null) {
                docId = (String) form.doc.get(fessConfig.getIndexFieldDocId());
            } else {
                docId = null;
            }
            if (StringUtil.isNotBlank(docId)) {
                return searchEngineClient.getDocument(fessConfig.getIndexDocumentUpdateIndex(), builder -> {

{
    "properties": {
      "userInfoId": {
        "type": "keyword"
      },
      "url": {
        "type": "keyword"
      },
      "docId": {
        "type": "keyword"
      },
      "queryId": {
        "type": "keyword"
      },
      "createdAt": {
        "type": "date",
        "format": "date_optional_time"
      }
    }

     */
    @Size(max = 1000)
    public String q;

    /**
     * The document ID of the document to delete.
     * Required field for identifying the specific document.
     */
    @Required
    public String docId;

            final Object docIdObj = request.getAttribute(DOC_ID_FIELD);
            if (docIdObj == null) {
                throw new WebApiException(HttpServletResponse.SC_BAD_REQUEST, "docId is empty.");
            }
            final String docId = docIdObj.toString();
            final String queryId = request.getParameter("queryId");

							data-order="${s.index}"
						> <img src="${fe:url('/images/blank.png')}" alt="thumbnail"
							data-src="${fe:url('/thumbnail/')}?docId=${f:u(doc.doc_id)}&queryId=${f:u(queryId)}" class="thumbnail"
						>
						</a>
					</div>
					</c:if>
					<div class="description">${doc.content_description}</div>
				</div>
				<div class="site text-truncate">

 */
public class ThumbnailForm {

    /**
     * The document ID for which to retrieve the thumbnail.
     */
    @Required
    @Size(max = 100)
    public String docId;

    /**
     * The query ID associated with the search request.
     */
    @Required
    public String queryId;

    /**
     * The search query string for error page display.
     */

                    }
                    return DocumentUtil.getValue(doc, fessConfig.getIndexFieldDocId(), String.class);
                }).forEach(docId -> {
                    boolQuery.should(QueryBuilders.termQuery(fessConfig.getIndexFieldDocId(), docId));
                });

                if (boolQuery.hasClauses()) {
                    if (logger.isDebugEnabled()) {

    }

    /**
     * Document identifier for the target document to redirect to.
     * This is required and limited to 100 characters.
     */
    @Required
    @Size(max = 100)
    public String docId;

    /**
     * Redirect target or return URL parameter.
     * This is required and limited to 10000 characters to accommodate long URLs.
     */
    @Size(max = 10000)
    @Required
    public String rt;

							data-order="${s.index}"
						> <img src="${fe:url('/images/blank.png')}" alt="thumbnail"
							data-src="${fe:url('/thumbnail/')}?docId=${f:u(doc.doc_id)}&queryId=${f:u(queryId)}" class="thumbnail"
						>
						</a>
					</div>
					</c:if>
					<div class="description">${doc.content_description}</div>
				</div>
				<div class="site text-truncate">

            doColumn("_id");
        }

        public void columnCreatedAt() {
            doColumn("createdAt");
        }

        public void columnDocId() {
            doColumn("docId");
        }

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

        public void columnUrl() {
            doColumn("url");
        }