// of the qos level cgroup resource constraints
	periodicQOSCgroupUpdateInterval = 1 * time.Minute
)

type QOSContainerManager interface {
	Start(func() v1.ResourceList, ActivePodsFunc) error
	GetQOSContainersInfo() QOSContainersInfo
	UpdateCgroups() error
}

type qosContainerManagerImpl struct {
	sync.Mutex
	qosContainersInfo  QOSContainersInfo
	subsystems         *CgroupSubsystems
	cgroupManager      CgroupManager

	NewPodContainerManager() PodContainerManager

	// GetMountedSubsystems returns the mounted cgroup subsystems on the node
	GetMountedSubsystems() *CgroupSubsystems

	// GetQOSContainersInfo returns the names of top level QoS containers
	GetQOSContainersInfo() QOSContainersInfo

	// GetNodeAllocatableReservation returns the amount of compute resources that have to be reserved from scheduling.
	GetNodeAllocatableReservation() v1.ResourceList

	return NodeConfig{}
}

func (cm *containerManagerStub) GetMountedSubsystems() *CgroupSubsystems {
	return &CgroupSubsystems{}
}

func (cm *containerManagerStub) GetQOSContainersInfo() QOSContainersInfo {
	return QOSContainersInfo{}
}

func (cm *containerManagerStub) UpdateQOSCgroups() error {
	return nil
}

func (cm *containerManagerStub) Status() Status {
	return Status{}
}

	cm.Lock()
	defer cm.Unlock()
	cm.CalledFunctions = append(cm.CalledFunctions, "GetMountedSubsystems")
	return &CgroupSubsystems{}
}

func (cm *FakeContainerManager) GetQOSContainersInfo() QOSContainersInfo {
	cm.Lock()
	defer cm.Unlock()
	cm.CalledFunctions = append(cm.CalledFunctions, "QOSContainersInfo")
	return QOSContainersInfo{}
}

	return NodeConfig{}
}

func (cm *containerManagerImpl) GetMountedSubsystems() *CgroupSubsystems {
	return &CgroupSubsystems{}
}

func (cm *containerManagerImpl) GetQOSContainersInfo() QOSContainersInfo {
	return QOSContainersInfo{}
}

func (cm *containerManagerImpl) UpdateQOSCgroups() error {
	return nil
}

func (cm *containerManagerImpl) Status() Status {
	return Status{}

}

func (cm *containerManagerImpl) GetMountedSubsystems() *CgroupSubsystems {
	return cm.subsystems
}

func (cm *containerManagerImpl) GetQOSContainersInfo() QOSContainersInfo {
	return cm.qosContainerManager.GetQOSContainersInfo()
}

func (cm *containerManagerImpl) UpdateQOSCgroups() error {
	return cm.qosContainerManager.UpdateCgroups()
}

func (cm *containerManagerImpl) Status() Status {