kubernetes/cmd/kubelet/app/plugins_providers.go

type probeFn …

func appendPluginBasedOnFeatureFlags(plugins []volume.VolumePlugin, inTreePluginName string,
	featureGate featuregate.FeatureGate, pluginInfo pluginInfo) ([]volume.VolumePlugin, error) { … }

type pluginInfo …

func appendLegacyProviderVolumes(allPlugins []volume.VolumePlugin, featureGate featuregate.FeatureGate) ([]volume.VolumePlugin, error) { … }