Module AWS.S3Express

module DirectoryBucket : sig ... end

see http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-s3express-directorybucket.html

module BucketPolicy : sig ... end

see http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-s3express-bucketpolicy.html