const (
	flagsRE    = `[+\-#]*`
	indexOptRE = `(\[[0-9]+\])?`
	numOptRE   = `([0-9]+|` + indexOptRE + `\*)?`
	verbRE     = `[bcdefgopqstvxEFGTUX]`
)

// checkPrint checks a call to an unformatted print routine such as Println.
func checkPrint(pass *analysis.Pass, call *ast.CallExpr, fn *types.Func) {
	firstArg := 0
	typ := pass.TypesInfo.Types[call.Fun].Type
	if typ == nil {

}

// 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{

	"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"`

	"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

	sc.cache.SetMemoryAssignments(checkpoint.Entries)

	klog.V(2).InfoS("State checkpoint: restored state from checkpoint")

	return nil
}

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

	assert.NoError(t, err, "could not store checkpoint data")

	checkpoint := NewDRAManagerCheckpoint()
	err = cpm.GetCheckpoint(testingCheckpoint, checkpoint)
	assert.NoError(t, err, "could not restore checkpoint")

	checkpointData, err := checkpoint.MarshalCheckpoint()
	assert.NoError(t, err, "could not Marshal Checkpoint")

}

// saves state to a checkpoint, caller is responsible for locking
func (sc *stateCheckpoint) store(claimInfoStateList ClaimInfoStateList) error {
	checkpoint := NewDRAManagerCheckpoint()
	checkpoint.Entries = claimInfoStateList

	err := sc.checkpointManager.CreateCheckpoint(sc.checkpointName, checkpoint)
	if err != nil {
		return fmt.Errorf("could not save checkpoint %s: %v", sc.checkpointName, err)
	}