storage: mark legacy storage classes
Mark:
* DURABLE_REDUCED_AVAILABILITY
* MULTI_REGIONAL
* REGIONAL
as legacy storage classes.
Fixes
@@ -272,6 +272,9 @@ type BucketAttrs struct {
// "DURABLE_REDUCED_AVAILABILITY". Defaults to "STANDARD", which
// is equivalent to "MULTI_REGIONAL" or "REGIONAL" depending on
// the bucket's location settings.
+ //
+ // "DURABLE_REDUCED_AVAILABILITY", "MULTI_REGIONAL" and "REGIONAL"
+ // are considered legacy storage classes.
StorageClass string
// Created is the creation time of the bucket.
