Module Types.DescribeAlarmHistoryInput
type t={alarm_name : Aws.BaseTypes.String.t option;alarm_types : AlarmTypes.t;history_item_type : HistoryItemType.t option;start_date : Aws.BaseTypes.DateTime.t option;end_date : Aws.BaseTypes.DateTime.t option;max_records : Aws.BaseTypes.Integer.t option;next_token : Aws.BaseTypes.String.t option;scan_by : ScanBy.t option;}
val make : ?alarm_name:Aws.BaseTypes.String.t -> ?alarm_types:AlarmTypes.t -> ?history_item_type:HistoryItemType.t -> ?start_date:Aws.BaseTypes.DateTime.t -> ?end_date:Aws.BaseTypes.DateTime.t -> ?max_records:Aws.BaseTypes.Integer.t -> ?next_token:Aws.BaseTypes.String.t -> ?scan_by:ScanBy.t -> unit -> tval parse : Ezxmlm.nodes -> t optionval to_query : t -> Aws.Query.tval to_json : t -> [> `Assoc of (string * Aws.Json.t) list ]val of_json : Aws.Json.t -> t