A [CryptoKeyVersionTemplate][google.cloud.kms.v1.CryptoKeyVersionTempl
ate] specifies the properties to use when creating a new
CryptoKeyVersion, either
manually with [CreateCryptoKeyVersion][google.cloud.kms.v1.KeyManageme
ntService.CreateCryptoKeyVersion] or automatically as a result of
auto-rotation.
.. attribute:: protection_level
ProtectionLevel to use
when creating a
CryptoKeyVersion based
on this template. Immutable. Defaults to
SOFTWARE.