prev, ok := sys.hc[result.Endpoint.Host]
					sys.hMutex.RUnlock()
					if ok {
						if prev.Online != result.Online || !result.Online {
							if !prev.lastHCAt.IsZero() {
								offline = time.Since(prev.lastHCAt) + prev.offlineDuration
							} else {
								offline = prev.offlineDuration
							}
						} else if result.Online {
							offline = prev.offlineDuration
						}
					}
					lastOnline = prev.lastOnline

online.help.name.relatedquery=relatedquery
online.help.name.relatedcontent=relatedcontent
online.help.name.wizard=wizard
online.help.name.badword=badword
online.help.name.pathmap=pathmap
online.help.name.boostdoc=boostdoc
online.help.name.dataconfig=dataconfig
online.help.name.systeminfo=systeminfo
online.help.name.user=user
online.help.name.group=group
online.help.name.design=design
online.help.name.dashboard=dashboard

IntegTestPreconditions$NotParallelExecutor,UnitTestPreconditions$StableGroovy
UnitTestPreconditions$NotWindowsJavaBefore9
UnitTestPreconditions$NotWindowsJavaBefore11
UnitTestPreconditions$Online
UnitTestPreconditions$Online,TestKitPreconditions$LowestMajorGradleIsAvailable
UnitTestPreconditions$Online,UnitTestPreconditions$Jdk11OrEarlier,IntegTestPreconditions$NotEmbeddedExecutor
UnitTestPreconditions$SmartTerminalAvailable
UnitTestPreconditions$StableGroovy

		// make connection pre-emptively.
		go clnt.HealthCheckFn()
	}
	return clnt
}

// IsOnline returns whether the client is likely to be online.
func (c *Client) IsOnline() bool {
	return atomic.LoadInt32(&c.connected) == online
}

// LastConn returns when the disk was (re-)connected
func (c *Client) LastConn() time.Time {
	return time.Unix(0, atomic.LoadInt64(&c.lastConn))
}

	// Return error when quorum unformatted disks - indicating we are
	// waiting for first server to be online.
	unformattedDisks := quorumUnformattedDisks(sErrs)
	if unformattedDisks && !firstDisk {
		return nil, errNotFirstDisk
	}

	// Return error when quorum unformatted disks but waiting for rest
	// of the servers to be online.
	if unformattedDisks && firstDisk {
		return nil, errFirstDiskWait
	}

     * @return uses the Maven project and its child modules
     */
    boolean aggregator() default false;

    /**
     * does this Mojo need to be online to be executed?
     * @return need to be online
     */
    boolean onlineRequired() default false;

    /**
     * TODO: v4: add a SPI for the configurator
     * configurator bean name.
     * @return the configurator bean name

    /** The key of the configuration. e.g. dict */
    String ONLINE_HELP_NAME_DICT = "online.help.name.dict";

    /** The key of the configuration. e.g. kuromoji */
    String ONLINE_HELP_NAME_DICT_KUROMOJI = "online.help.name.dict.kuromoji";

    /** The key of the configuration. e.g. protwords */
    String ONLINE_HELP_NAME_DICT_PROTWORDS = "online.help.name.dict.protwords";

 *
 * This should only be used on a type that is always assumed to also implement the internal protocol by Gradle internals.
 *
 * This exists to help anyone reading the source code realise that there is an internal component to the type.
 */
@Retention(RetentionPolicy.SOURCE)
@Target({ElementType.TYPE})
public @interface HasInternalProtocol {

        return projectRequired;
    }

    // ----------------------------------------------------------------------
    // Online vs. Offline requirement
    // ----------------------------------------------------------------------

    /**
     * @param requiresOnline <code>true</code> if the Mojo is online, <code>false</code> otherwise.
     */
    public void setOnlineRequired(boolean requiresOnline) {

		clusterDriveMetrics: newClusterStorageInfoCache(),
		nodesUpDown:         newNodesUpDownCache(),
	}
}

type nodesOnline struct {
	Online, Offline int
}

func newNodesUpDownCache() *cachevalue.Cache[nodesOnline] {
	loadNodesUpDown := func(ctx context.Context) (v nodesOnline, err error) {
		v.Online, v.Offline = globalNotificationSys.GetPeerOnlineCount()
		return
	}
	return cachevalue.NewFromFunc(1*time.Minute,