* Support secure etcd cluster for centos provider. ([#42994](https://github.com/kubernetes/kubernetes/pull/42994), [@Shawyeok](https://github.com/Shawyeok))

* Update to kube-addon-manager:v6.4-beta.2: kubectl v1.6.4 and refreshed base images ([#47389](https://github.com/kubernetes/kubernetes/pull/47389), [@ixdy](https://github.com/ixdy))

   * implementation; otherwise refreshes will be performed during unrelated cache read and write
   * operations.
   *
   * <p>Currently automatic refreshes are performed when the first stale request for an entry
   * occurs. The request triggering refresh will make a synchronous call to {@link
   * CacheLoader#reload}

     */
    public void deleteBadWord(final String badWord) {
        suggester.indexer().deleteBadWord(badWord);
        refresh();
    }

    /**
     * Refreshes the suggest index.
     */
    public synchronized void refresh() {
        suggester.refresh();
        if (popularWordHelper != null) {
            popularWordHelper.clearCache();
        }
    }

    /**

	data, err := json.Marshal(tiers)
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	w.Header().Set(tierCfgRefreshAtHdr, globalTierConfigMgr.refreshedAt().String())
	writeSuccessResponseJSON(w, data)
}

func (api adminAPIHandlers) EditTierHandler(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()

    public ActionResponse godHandPrologue(final ActionRuntime runtime) {
        fessLoginAssist.getSavedUserBean().ifPresent(u -> {
            final boolean result = u.getFessUser().refresh();
            if (logger.isDebugEnabled()) {
                logger.debug("refresh user info: {}", result);
            }
        });
        return viewHelper.getActionHook().godHandPrologue(runtime, super::godHandPrologue);
    }

    /**

        buildLabelTypePatternList(labelTypeList);
        return labelTypeList.size();
    }

    /**
     * Refreshes the label type items and patterns.
     *
     * @param labelTypeList The list of label types.
     */
    public void refresh(final List<LabelType> labelTypeList) {
        buildLabelTypeItems(labelTypeList);
        buildLabelTypePatternList(labelTypeList);
    }

    /**

                webConfig.setId(id + "_refreshed");
                return OptionalEntity.of(webConfig);
            }

            @Override
            public OptionalEntity<WebConfig> getWebConfigByName(String name) {
                return OptionalEntity.empty();
            }
        }, WebConfigService.class.getCanonicalName());

        // Without refresh, should still get cached version

	tierConfigVersion = 2
)

// tierConfigPath refers to remote tier config object name
var tierConfigPath = path.Join(minioConfigPrefix, tierConfigFile)

const tierCfgRefreshAtHdr = "X-MinIO-TierCfg-RefreshedAt"

// TierConfigMgr holds the collection of remote tiers configured in this deployment.
type TierConfigMgr struct {
	sync.RWMutex `msg:"-"`
	drivercache  map[string]WarmBackend `msg:"-"`

        createWebConfig();
        logger.info("WebConfig is created");
        refresh();
        webConfigId = getWebConfigIds(NAME_PREFIX).get(0);

        createJob();
        logger.info("Job is created: {}", webConfigId);
        refresh();

        startJob(NAME_PREFIX);

        waitJob(NAME_PREFIX);
        refresh();

        ThreadUtil.sleep(3000);
    }

    @BeforeEach

        return dataConfigList;
    }

    /**
     * Deletes the specified data configuration from the system.
     *
     * <p>This operation permanently removes the data configuration and
     * immediately refreshes the index to ensure the change is visible.</p>
     *
     * @param dataConfig the data configuration to delete
     * @throws IllegalArgumentException if dataConfig is null