final boolean result = testClient.reindexConfigIndices(false, configOnly);

        assertTrue(result);
        // Only fess_config indices should be rebuilt (2 config indices: scheduled_job, access_token)
        // Each creates 2 indices (backup + rebuild) = 4 creates
        assertEquals("Only fess_config indices should be rebuilt", 4, testClient.createdIndices.size());

                // 6. Recreate aliases on the rebuilt index
                createAlias(configIndex, indexName);

                // 7. Delete backup
                deleteIndex(backupIndex);

                logger.info("[Rebuild] Completed rebuild for {}", indexName);
            } catch (final Exception e) {
                logger.warn("[Rebuild] Failed to rebuild index: {}", indexName, e);

    /**
     * Logs script execution to the audit log.
     *
     * @param script the script content that was executed
     * @param result the execution result (e.g., "success" or "failure:ExceptionType")
     */
    protected void logScriptExecution(final String script, final String result) {
        if (!scriptAuditLogEnabled) {
            return;
        }
        try {
            String source = "unknown";

                    logger.warn("Failed to rebuild config indices");
                }
            } catch (final Exception e) {
                logger.warn("Failed to rebuild config indices", e);
            } finally {
                coordinator.completeOperation("reindex_config");
            }
        }, "rebuild-config-indices").start();

    /**
     * The flag to load bulk data during config index rebuild.
     */
    @Size(max = 10)
    public String loadBulkData;

    /**
     * The flag to rebuild fess_config indices.
     */
    @Size(max = 10)
    public String rebuildConfigIndex = Constants.ON;

    /**
     * The flag to rebuild fess_user indices.
     */
    @Size(max = 10)
    public String rebuildUserIndex;

**Step 3: Customize Search UI**

Fess Site Search provides extensive customization options via the [FSS Generator](https://fss-generator.codelibs.org/docs/manual):
- Result layout and styling
- Facet configuration
- Search box placement
- Suggestion behavior

**Example Result**:

![Fess Site Search](https://fess.codelibs.org/_images/fess-ss-1.png "Fess Site Search")

**Additional Resources**:

labels.reload_doc_index=Reload Document Index
labels.reload_doc_index_button=Reload
labels.rebuild_config_index=Rebuild Config Index
labels.rebuild_config_index_button=Rebuild
labels.load_bulk_data=Load Default Data
labels.rebuild_target_indices=Target Indices
labels.rebuild_config_index_confirmation=Are you sure you want to rebuild the selected configuration indices? This operation will run in the background.
labels.plugin_title=Plugin

                        result.getIntent(), result.getQuery(), result.getReasoning(), System.currentTimeMillis() - startTime);
            }

            return result;
        } catch (final Exception e) {
            logger.warn("[RAG:INTENT] Failed to detect intent, falling back to search. error={}, elapsedTime={}ms", e.getMessage(),

        RelevanceEvaluationResult result = RelevanceEvaluationResult.withRelevantDocs(docIds, indexes);

        assertTrue(result.isHasRelevantResults());
        assertEquals(1, result.getRelevantDocIds().size());
        assertEquals("doc1", result.getRelevantDocIds().get(0));
        assertEquals(1, result.getRelevantIndexes().size());
        assertEquals(Integer.valueOf(1), result.getRelevantIndexes().get(0));
    }

    @Test

        assertNotNull(result);
        assertTrue(result.isPresent());
        assertEquals(Integer.valueOf(42), result.get());
    }

    @Test
    public void test_ofNullable_withNullInteger() {
        Integer testValue = null;
        OptionalEntity<Integer> result = OptionalUtil.ofNullable(testValue);

        assertNotNull(result);
        assertFalse(result.isPresent());