Module Types.MessageSystemAttributeMap
type t= (MessageSystemAttributeName.t, Aws.BaseTypes.String.t) Stdlib.Hashtbl.t
val make : 'a -> unit -> 'aval parse : 'a -> 'b optionval to_query : (MessageSystemAttributeName.t, Aws.BaseTypes.String.t) Stdlib.Hashtbl.t -> Aws.Query.tval to_json : (MessageSystemAttributeName.t, Aws.BaseTypes.String.t) Stdlib.Hashtbl.t -> [> `Assoc of (string * Aws.Json.t) list ]val of_json : Aws.Json.t -> (MessageSystemAttributeName.t, Aws.BaseTypes.String.t) Stdlib.Hashtbl.t