for k, v := range b.cachesRoot {
		tmp := make([]string, len(v))
		copy(tmp, v)
		dst2[k] = tmp
	}

	return dst, dst2
}

// deleteAll will delete all on disk data for ALL caches.
// Deletes are performed concurrently.
func (b *bucketMetacache) deleteAll() {
	ctx := context.Background()

	objAPI := newObjectLayerFn()
	if objAPI == nil {
		return
	}

	ez, ok := objAPI.(deleteAllStorager)

 *   <li>{@code add(ElevateWord elevateWord)} - Adds a new elevate word to the settings.</li>
 *   <li>{@code delete(String elevateWord)} - Deletes an elevate word from the settings.</li>
 *   <li>{@code deleteAll()} - Deletes all elevate words from the settings.</li>
 * </ul>
 *
 * <p>Protected Constructor:</p>
 * <ul>

        runner.close();
        runner.clean();
    }

    @Before
    public void before() throws Exception {
        suggester.indexer().deleteAll();
        suggester.settings().badword().deleteAll();
        suggester.settings().elevateWord().deleteAll();
        suggester.refresh();
    }

    // ============================================================
    // Tests for empty/null input handling

                                                        </p>
                                                    </div>
                                                    <la:form action="/admin/searchlist/deleteall">
                                                    <div class="modal-footer justify-content-between">
                                                            <la:hidden property="q"/>

        assertEquals(elevateWord3.getElevateWord(), settings.elevateWord().get()[1].getElevateWord());

        settings.elevateWord().deleteAll();
        assertEquals(0, settings.elevateWord().get().length);
    }

        runner.close();
        runner.clean();
    }

    @Before
    public void before() throws Exception {
        suggester.indexer().deleteAll();
        suggester.settings().badword().deleteAll();
        suggester.settings().elevateWord().deleteAll();
        suggester.refresh();
    }

    @Test
    public void test_writeItems() throws Exception {
        String[][] readings = new String[1][];

        }
        arraySettings.delete(BAD_WORD_SETTINGS_KEY, badWord);
    }

    /**
     * Delete all bad words.
     */
    public void deleteAll() {
        if (logger.isInfoEnabled()) {
            logger.info("Deleting all bad words: index={}", arraySettings.arraySettingsIndexName);
        }
        arraySettings.delete(BAD_WORD_SETTINGS_KEY);
    }

        runner.close();
        runner.clean();
    }

    @Before
    public void before() throws Exception {
        suggester.indexer().deleteAll();
        suggester.settings().badword().deleteAll();
        suggester.settings().elevateWord().deleteAll();
        suggester.refresh();
    }

    @Test
    public void test_indexAndSuggest() throws Exception {
        SuggestItem[] items = getItemSet1();

     *
     * @return HTML response redirecting to the failure URL list page
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse deleteall() {
        verifyToken(this::asListHtml);
        failureUrlService.deleteAll(failureUrlPager);
        failureUrlPager.clear();
        saveInfo(messages -> messages.addSuccessFailureUrlDeleteAll(GLOBAL));
        return redirect(getClass());
    }

    }

    /**
     * Deletes all suggest items.
     * @return The SuggestDeleteResponse.
     */
    public SuggestDeleteResponse deleteAll() {
        ensureOperations();
        final SuggestDeleteResponse response = deletionOps.deleteAll(index);
        restoreElevateWord();
        return response;
    }

    /**
     * Deletes document words.
     * @return The SuggestDeleteResponse.