IoT1Click.Device
see http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-iot1click-device.html
see http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-iot1click-device.html;
val make_properties : device_id:string -> enabled:bool -> unit -> properties
val yojson_of_properties :
properties ->
[> `Assoc of (string * Yojson.Safe.t) list ]
val create_attributes : string -> attributes