erasureSetReadHealthMD = NewGaugeMD(erasureSetReadHealth,
		"Health of the erasure set in a pool for read operations (1=healthy, 0=unhealthy)",
		poolIDL, setIDL)
	erasureSetWriteHealthMD = NewGaugeMD(erasureSetWriteHealth,
		"Health of the erasure set in a pool for write operations (1=healthy, 0=unhealthy)",
		poolIDL, setIDL)
)

func b2f(v bool) float64 {
	if v {
		return 1
	}
	return 0
}

/**
 * A {@link DaemonExpirationStrategy} which monitors daemon health and expires the daemon
 * whenever unhealthy conditions are detected. Currently, this strategy monitors JVM memory
 * health by detecting GC thrashing and excessive heap or metaspace usage. In addition to
 * expiring the daemon, whenever unhealthy conditions are detected, this strategy will
 * print a warning log to the console informing the user of the issue and instructing them

)

// Image manager event reason list
const (
	InvalidDiskCapacity = "InvalidDiskCapacity"
	FreeDiskSpaceFailed = "FreeDiskSpaceFailed"
)

// Probe event reason list
const (
	ContainerUnhealthy    = "Unhealthy"
	ContainerProbeWarning = "ProbeWarning"
)

// Pod worker event reason list
const (
	FailedSync = "FailedSync"
)

// Config event reason list
const (
	FailedValidation = "FailedValidation"
)

    /**
     * @return true if daemon is single use daemon, false otherwise
     */
    boolean isSingleUse();

    /**
     * Invokes the given action when the Daemon becomes unhealthy in way that requires it be terminated at the end of the build.
     * <p>
     * The action will be invoked at-most once during a build.

		metrics.BuildFQName("", kubeletmetrics.KubeletSubsystem, kubeletmetrics.VolumeStatsHealthStatusAbnormalKey),
		"Abnormal volume health status. The count is either 1 or 0. 1 indicates the volume is unhealthy, 0 indicates volume is healthy",
		[]string{"namespace", "persistentvolumeclaim"}, nil,
		metrics.ALPHA, "")
)

type volumeStatsCollector struct {
	metrics.BaseStableCollector

	statsProvider serverstats.Provider

		// Ok - truncated output
		{probe.Success, false, true, elevenKilobyte, tenKilobyte, nil},
		// Run returns error
		{probe.Unknown, true, true, "", "", fmt.Errorf("test error")},
		// Unhealthy
		{probe.Failure, false, true, "Fail", "", &fakeExitError{true, 1}},
		// Timeout

	kubeletFailTempl = template.Must(template.New("init").Parse(dedent.Dedent(`
	Unfortunately, an error has occurred:
		{{ .Error }}

	This error is likely caused by:
		- The kubelet is not running
		- The kubelet is unhealthy due to a misconfiguration of the node in some way (required cgroups disabled)

	If you are on a systemd-powered system, you can try to troubleshoot the error with the following commands:
		- 'systemctl status kubelet'

// AddHealthChecks adds HealthCheck(s) to health endpoints (healthz, livez, readyz) but
// configures the liveness grace period to be zero, which means we expect this health check
// to immediately indicate that the apiserver is unhealthy.
func (s *GenericAPIServer) AddHealthChecks(checks ...healthz.HealthChecker) error {
	// we opt for a delay of zero here, because this entrypoint adds generic health checks