// collected based on being unused for too long.
	ImageMaximumGCAge metav1.Duration
	// imageGCHighThresholdPercent is the percent of disk usage after which
	// image garbage collection is always run. The percent is calculated as
	// this field value out of 100.
	ImageGCHighThresholdPercent int32
	// imageGCLowThresholdPercent is the percent of disk usage before which

	fs.Int32Var(&c.ImageGCHighThresholdPercent, "image-gc-high-threshold", c.ImageGCHighThresholdPercent, "The percent of disk usage after which image garbage collection is always run. Values must be within the range [0, 100], To disable image garbage collection, set to 100. ")

	// stub the image GC manager
	if kl.kubeletConfiguration.ImageGCHighThresholdPercent == 100 &&
		(!utilfeature.DefaultFeatureGate.Enabled(features.ImageMaximumGCAge) || kl.kubeletConfiguration.ImageMaximumGCAge.Duration == 0) {
		klog.V(2).InfoS("ImageGCHighThresholdPercent is set 100 and ImageMaximumGCAge is 0, Disable image GC")
		return
	}

	prevImageGCFailed := false

							Ref:         ref("k8s.io/apimachinery/pkg/apis/meta/v1.Duration"),
						},
					},
					"imageGCHighThresholdPercent": {
						SchemaProps: spec.SchemaProps{