IdentityStore.GroupMembership
see http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-identitystore-groupmembership.html
see http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-identitystore-groupmembership-memberid.html
see http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-identitystore-groupmembership.html;
val make_properties :
member_id:member_id ->
identity_store_id:string ->
group_id:string ->
unit ->
properties
val make_member_id : user_id:string -> unit -> member_id
val yojson_of_member_id :
member_id ->
[> `Assoc of (string * Yojson.Safe.t) list ]
val yojson_of_properties :
properties ->
[> `Assoc of (string * Yojson.Safe.t) list ]
val create_attributes : string -> attributes