Values.CostSourceDefines a cost object.
type nonrec t = {amount : Double.t option;The cost amount.
*)currency : CurrencyCode.t option;The cost currency, for example USD.
*)frequency : CostFrequency.t option;The cost frequency.
*)}val make :
?amount:Double.t ->
?currency:CurrencyCode.t ->
?frequency:CostFrequency.t ->
unit ->
tval to_value :
t ->
[> `Structure of
(string
* [> `Double of Double.t
| `Enum of string
| `String of CurrencyCode.t ])
list ]