Merge 4 invocable controllers (GetActiveProvider, GetExchangeRate, GetSupportedCurrencies, GetUsedCurrencies) as methods on the existing resource controller: activeProvider(), getRate(), supportedCurrencies(), usedCurrencies().
Merge 4 invocable controllers (GetActiveProvider, GetExchangeRate, GetSupportedCurrencies, GetUsedCurrencies) as methods on the existing resource controller: activeProvider(), getRate(), supportedCurrencies(), usedCurrencies().