Util.CfgSourceval get :
?profile:string ->
?region:Awso.Region.t ->
?output:string ->
unit ->
(Awso.Cfg.t, exn) Core.Result.t Async.Deferred.tval get_exn :
?profile:string ->
?region:Awso.Region.t ->
?output:string ->
unit ->
Awso.Cfg.t Async.Deferred.t