err := sc.storeState()
	if err != nil {
		klog.InfoS("Store state to checkpoint error", "err", err)
	}
}

// SetDefaultCPUSet sets default CPU set
func (sc *stateCheckpoint) SetDefaultCPUSet(cset cpuset.CPUSet) {
	sc.mux.Lock()
	defer sc.mux.Unlock()
	sc.cache.SetDefaultCPUSet(cset)
	err := sc.storeState()
	if err != nil {
		klog.InfoS("Store state to checkpoint error", "err", err)
	}
}

	GetCPUSetOrDefault(podUID string, containerName string) cpuset.CPUSet
	GetCPUAssignments() ContainerCPUAssignments
}

type writer interface {
	SetCPUSet(podUID string, containerName string, cpuset cpuset.CPUSet)
	SetDefaultCPUSet(cpuset cpuset.CPUSet)
	SetCPUAssignments(ContainerCPUAssignments)
	Delete(podUID string, containerName string)
	ClearState()
}

// State interface provides methods for tracking and setting cpu/pod assignment

	if tmpDefaultCPUset.IsEmpty() {
		if len(tmpAssignments) != 0 {
			return fmt.Errorf("default cpuset cannot be empty")
		}
		// state is empty initialize
		allCPUs := p.topology.CPUDetails.CPUs()
		s.SetDefaultCPUSet(allCPUs)
		return nil
	}

	// State has already been initialized from file (is not empty)
	// 1. Check if the reserved cpuset is not part of default cpuset because:

	if _, exists := s.assignments[podUID]; !exists {
		s.assignments[podUID] = make(map[string]cpuset.CPUSet)
	}
	s.assignments[podUID][containerName] = cset
}

func (s *mockState) SetDefaultCPUSet(cset cpuset.CPUSet) {
	s.defaultCPUSet = cset
}

func (s *mockState) Delete(podUID string, containerName string) {
	delete(s.assignments[podUID], containerName)
	if len(s.assignments[podUID]) == 0 {