Module AWS.DirectoryService

module SimpleAD : sig ... end

see http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-directoryservice-simplead.html

module MicrosoftAD : sig ... end

see http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-directoryservice-microsoftad.html