/**
     * Deletes query-related suggest words.
     *
     * @return JSON response indicating success or failure
     */
    // DELETE /api/admin/suggest/query
    @Execute
    public JsonResponse<ApiResult> delete$query() {
        if (!suggestHelper.deleteQueryWords()) {
            throwValidationErrorApi(messages -> messages.addErrorsFailedToDeleteDocInAdmin(GLOBAL));
        }

     */
    public boolean deleteQueryWords() {
        final SuggestDeleteResponse response = suggester.indexer().deleteQueryWords();
        if (response.hasError()) {
            logger.warn("Failed to delete query words.", response.getErrors().get(0));
            return false;
        }
        refresh();
        return true;
    }

    /**
     * Stores all elevate words in the suggest index.
     *

    @Execute
    public JsonResponse<ApiResult> delete$query(final SearchBody body) {
        validateApi(body, messages -> {});

        if (StringUtil.isBlank(body.q)) {
            throwValidationErrorApi(messages -> messages.addErrorsInvalidQueryUnknown(GLOBAL));
        }
        try {
            final long count = searchHelper.deleteByQuery(request, body);

 * <li>{@link #delete(String)} - Delete a suggest item by ID.
 * <li>{@link #deleteByQuery(String)} - Delete suggest items by query string.
 * <li>{@link #deleteByQuery(QueryBuilder)} - Delete suggest items by query builder.
 * <li>{@link #deleteAll()} - Delete all suggest items.
 * <li>{@link #deleteDocumentWords()} - Delete document words.
 * <li>{@link #deleteQueryWords()} - Delete query words.

        }
        return result;
    }

    @Override
    public SuggestWriterResult deleteByQuery(final Client client, final SuggestSettings settings, final String index,
            final QueryBuilder queryBuilder) {
        final SuggestWriterResult result = new SuggestWriterResult();
        try {
            SuggestUtil.deleteByQuery(client, settings, index, queryBuilder);
        } catch (final Exception e) {

        throw new UnsupportedOperationException("not yet.");
    }

    @Override
    public SuggestWriterResult deleteByQuery(final Client client, final SuggestSettings settings, final String index,
            final QueryBuilder queryBuilder) {
        throw new UnsupportedOperationException("deleteByQuery is unsupported.");
    }

        // clean up
        final QueryBuilder queryBuilder = QueryBuilders.rangeQuery(fessConfig.getIndexFieldExpires()).to("now");
        try {
            searchEngineClient.deleteByQuery(fessConfig.getIndexDocumentUpdateIndex(), queryBuilder);

        } catch (final Exception e) {
            logger.error("Could not delete expired documents: {}", queryBuilder, e);

     * @throws OpenSearchAccessException if the deletion fails.
     * @deprecated Use {@link #deleteByQuery(String, QueryBuilder)} instead. The type parameter is no longer used.
     */
    @Deprecated
    public int deleteByQuery(final String index, final String type, final QueryBuilder queryBuilder) {
        return deleteByQuery(index, queryBuilder);
    }

    /**

        }).when(mockClearScrollBuilder).execute(any(ActionListener.class));

        final int deleted = fesenClient.deleteByQuery("test-index", QueryBuilders.matchAllQuery());

        assertEquals(1, deleted);
        verify(mockClearScrollBuilder, times(1)).addScrollId("scroll1");
    }

    /**
     * Test: deleteByQuery deprecated method delegates to new method
     * Verifies backward compatibility
     */
    @Test

        final String docId = form.docId;
        try {
            final QueryBuilder query = QueryBuilders.termQuery(fessConfig.getIndexFieldDocId(), docId);
            searchEngineClient.deleteByQuery(fessConfig.getIndexDocumentUpdateIndex(), query);
            saveInfo(messages -> messages.addSuccessDeleteDocFromIndex(GLOBAL));
        } catch (final Exception e) {