Shield.DRTAccess
see http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-shield-drtaccess.html
see http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-shield-drtaccess.html;
val make_properties :
?log_bucket_list:string list ->
role_arn:string ->
unit ->
properties
val yojson_of_properties :
properties ->
[> `Assoc of (string * Yojson.Safe.t) list ]
val create_attributes : string -> attributes