*   This does not change the minimum required version for building
        TensorFlow from source on Windows, but builds enabling
        `EIGEN_STRONG_INLINE` can take over 48 hours to compile without this
        flag. Refer to `configure.py` for more information about
        `EIGEN_STRONG_INLINE` and `/d2ReducedOptimizeHugeFunctions`.

	// IAM format file
	iamFormatFile = "format.json"

	iamFormatVersion1 = 1

	minServiceAccountExpiry time.Duration = 15 * time.Minute
	maxServiceAccountExpiry time.Duration = 365 * 24 * time.Hour
)

var errInvalidSvcAcctExpiration = errors.New("invalid service account expiration")

type iamFormat struct {
	Version int `json:"version"`
}

func newIAMFormatVersion1() iamFormat {