Values.AclGranteeSourceYou specify each grantee as a type-value pair using one of these types. You can specify only one type of grantee. For more information, see PutBucketAcl.
type nonrec t = {id : AclCanonicalId.t option;The value specified is the canonical user ID of an Amazon Web Services account.
*)uri : AclUri.t option;Used for granting permissions to a predefined group.
*)}