@groovy.transform.CompileStatic
            def checkpoint3() {
                def startAt = System.nanoTime()
                while (System.nanoTime() - startAt < 1_000_000_000) {}
            }

            task block() {
                doLast {
                    checkpoint1()
                    checkpoint2()
                    checkpoint3()
                }

		assert.Equal(t, actualPortMappings, expPortMappings)
		assert.Equal(t, actualHostNetwork, expHostNetwork)
	}
	// Test it fails if tried to read V1 structure into V2, a different structure from the structure which is checkpointed
	checkpointV2 := newFakeCheckpointV2("", nil, false)
	err = manager.GetCheckpoint("key1", checkpointV2)
	assert.EqualError(t, err, "checkpoint is corrupted")

	klog.V(2).InfoS("State checkpoint: restored state from checkpoint")
	klog.V(2).InfoS("State checkpoint: defaultCPUSet", "defaultCpuSet", tmpDefaultCPUSet.String())

	return nil
}

// saves state to a checkpoint, caller is responsible for locking
func (sc *stateCheckpoint) storeState() error {
	checkpoint := NewCPUManagerCheckpoint()
	checkpoint.PolicyName = sc.policyName

	"encoding/json"

	"k8s.io/kubernetes/pkg/kubelet/checkpointmanager"
	"k8s.io/kubernetes/pkg/kubelet/checkpointmanager/checksum"
)

var _ checkpointmanager.Checkpoint = &MemoryManagerCheckpoint{}

// MemoryManagerCheckpoint struct is used to store memory/pod assignments in a checkpoint
type MemoryManagerCheckpoint struct {
	PolicyName   string                     `json:"policyName"`
	MachineState NUMANodeMap                `json:"machineState"`

}

// List of claim info to store in checkpoint
type ClaimInfoStateList []ClaimInfoState

// List of claim info to store in checkpoint
// TODO: remove in Beta
type ClaimInfoStateListWithoutResourceHandles []ClaimInfoStateWithoutResourceHandles

// NewDRAManagerCheckpoint returns an instance of Checkpoint
func NewDRAManagerCheckpoint() *DRAManagerCheckpoint {
	return &DRAManagerCheckpoint{

	"k8s.io/kubernetes/pkg/kubelet/checkpointmanager"
	"k8s.io/kubernetes/pkg/kubelet/checkpointmanager/checksum"
)

var _ checkpointmanager.Checkpoint = &PodResourceAllocationCheckpoint{}

// PodResourceAllocationCheckpoint is used to store resources allocated to a pod in checkpoint
type PodResourceAllocationCheckpoint struct {
	AllocationEntries   map[string]map[string]v1.ResourceList `json:"allocationEntries,omitempty"`

	"k8s.io/kubernetes/pkg/kubelet/checkpointmanager/errors"
)

var _ checkpointmanager.Checkpoint = &CPUManagerCheckpointV1{}
var _ checkpointmanager.Checkpoint = &CPUManagerCheckpointV2{}
var _ checkpointmanager.Checkpoint = &CPUManagerCheckpoint{}

// CPUManagerCheckpoint struct is used to store cpu/pod assignments in a checkpoint in v2 format
type CPUManagerCheckpoint struct {

}

// checkpointData struct is used to store pod to device allocation information
// in a checkpoint file.
// TODO: add version control when we need to change checkpoint format.
type checkpointData struct {
	PodDeviceEntries  []PodDevicesEntry
	RegisteredDevices map[string][]string
}

// Data holds checkpoint data and its checksum
type Data struct {
	Data     checkpointData
	Checksum checksum.Checksum
}

	// For file backed utilstore, checkpointKey is the file name to write the checkpoint data.
	CreateCheckpoint(checkpointKey string, checkpoint Checkpoint) error
	// GetCheckpoint retrieves checkpoint from CheckpointStore.
	GetCheckpoint(checkpointKey string, checkpoint Checkpoint) error
	// WARNING: RemoveCheckpoint will not return error if checkpoint does not exist.
	RemoveCheckpoint(checkpointKey string) error

/**
 * Models an expected series of state checkpoints (which may have attached actions).
 * <p>
 * This works by watching a daemon registry in a background thread, recording each state change.
 * As the state changes, it is tested against the next checkpoint. If the state of the checkpoint matches,
 * then the process repeats with the next checkpoint (until all checkpoints are passed).
 *