Get Regions Operation Params
public GetRegionsOperationParams GetRegionsOperationParams(String customerSessionId, List<GetRegionsOperationParams.Include> include, String language, String ancestorId, String area, List<String> countryCode, List<String> countrySubdivisionCode, String iataLocationCode, BigDecimal limit, String supplySource, List<String> type, String billingTerms, String partnerPointOfSale, String paymentTerms, String platformName)