var (
		credential azblob.Credential
		err        error
	)

	switch {
	case conf.AccountName == "":
		return nil, errors.New("the account name is required")
	case conf.AccountKey != "" && (conf.SPAuth.TenantID != "" || conf.SPAuth.ClientID != "" || conf.SPAuth.ClientSecret != ""):
		return nil, errors.New("multiple authentication mechanisms are provided")

			// windows, because windows API does not return "not a
			// directory" error message. Handle this specifically
			// here.
			return errFileAccessDenied
		}
	}
	return err
}

// Reliably retries os.RemoveAll if for some reason os.RemoveAll returns
// syscall.ENOTEMPTY (children has files).
func reliableRemoveAll(dirPath string) (err error) {
	i := 0
	for {
		// Removes all the directories and files.

	"time"
)

// Opts contains options for the cache.
type Opts struct {
	// When set to true, return the last cached value
	// even if updating the value errors out.
	// Returns the last good value AND the error.
	ReturnLastGood bool

	// If CacheError is set, errors will be cached as well
	// and not continuously try to update.
	// Should not be combined with ReturnLastGood.
	CacheError bool

		if err != nil {
			if testCase.expectedErr == nil {
				t.Fatalf("test %v: error: expected = <nil>, got = %v", i+1, err)
			}
			if testCase.expectedErr.Error() != err.Error() {
				t.Fatalf("test %v: error: expected = %v, got = %v", i+1, testCase.expectedErr, err)
			}
		} else {
			if testCase.expectedErr != nil {
				t.Fatalf("test %v: error: expected = %v, got = <nil>", i+1, testCase.expectedErr)
			}
			if !cred.IsValid() {

)

// Checks on CopyObject arguments, bucket and object.
func checkCopyObjArgs(ctx context.Context, bucket, object string) error {
	return checkBucketAndObjectNames(ctx, bucket, object)
}

// Checks on GetObject arguments, bucket and object.
func checkGetObjArgs(ctx context.Context, bucket, object string) error {
	return checkBucketAndObjectNames(ctx, bucket, object)
}

// Checks on DeleteObject arguments, bucket and object.

	if err != nil {
		fmt.Printf("error generating key: %s n", err)
		os.Exit(1)
	}

	// dump private key to file
	privateKeyBytes := x509.MarshalPKCS1PrivateKey(privatekey)
	privateKeyBlock := &pem.Block{
		Type:  "RSA PRIVATE KEY",
		Bytes: privateKeyBytes,
	}
	privatePem, err := os.Create("support_private.pem")
	if err != nil {
		fmt.Printf("error when create private.pem: %s n", err)
		os.Exit(1)

	maxConcurrentAsyncSend = 50000
)

// Target - event target interface
type Target interface {
	ID() TargetID
	IsActive() (bool, error)
	Save(Event) error
	SendFromStore(store.Key) error
	Close() error
	Store() TargetStore
}

// TargetStore is a shallow version of a target.Store
type TargetStore interface {
	Len() int
}

type KMS interface {
	// Stat returns the current KMS status.
	Stat(cxt context.Context) (Status, error)

	// IsLocal returns true if the KMS is a local implementation
	IsLocal() bool

	// List returns an array of local KMS Names
	List() []kes.KeyInfo

	// Metrics returns a KMS metric snapshot.
	Metrics(ctx context.Context) (kes.Metric, error)

	// CreateKey creates a new key at the KMS with the given key ID.

}

// mustGetLocalIP4 returns IPv4 addresses of localhost.  It panics on error.
func mustGetLocalIP4() (ipList set.StringSet) {
	ipList = set.NewStringSet()
	for _, ip := range mustGetLocalIPs() {
		if ip.To4() != nil {
			ipList.Add(ip.String())
		}
	}
	return
}

// mustGetLocalIP6 returns IPv6 addresses of localhost.  It panics on error.
func mustGetLocalIP6() (ipList set.StringSet) {
	ipList = set.NewStringSet()

func (z *StatusType) DecodeMsg(dc *msgp.Reader) (err error) {
	{
		var zb0001 string
		zb0001, err = dc.ReadString()
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		(*z) = StatusType(zb0001)
	}
	return
}

// EncodeMsg implements msgp.Encodable
func (z StatusType) EncodeMsg(en *msgp.Writer) (err error) {
	err = en.WriteString(string(z))
	if err != nil {