// signaling it is no longer available.
func (h *RegistrationHandler) DeRegisterPlugin(pluginName string) {
	klog.InfoS("DeRegister DRA plugin", "name", pluginName)
	deregisterPlugin(pluginName)
	h.controller.removePlugin(pluginName)
}

// ValidatePlugin is called by kubelet's plugin watcher upon detection
// of a new registration socket opened by DRA plugin.